зеркало из https://github.com/mozilla/gecko-dev.git
2086 строки
57 KiB
C++
2086 строки
57 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include <iostream.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdio.h>
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#include "nsString.h"
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#include "nsCRT.h"
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#include "nsDebug.h"
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#include "prprf.h"
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#include "prdtoa.h"
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#include "nsISizeOfHandler.h"
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const PRInt32 kGrowthDelta = 8;
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const PRInt32 kNotFound = -1;
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PRUnichar gBadChar = 0;
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const char* kOutOfBoundsError = "Error: out of bounds";
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const char* kNullPointerError = "Error: unexpected null ptr";
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//**********************************************
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//NOTE: Our buffer always hold capacity+1 bytes.
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//**********************************************
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/**
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* Default constructor. We assume that this string will have
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* a bunch of Append's or SetString's done to it, therefore
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* we start with a mid sized buffer.
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*/
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nsString::nsString() {
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mLength = mCapacity = 0;
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mStr = 0;
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// Size to 4*kGrowthDelta (EnsureCapacityFor adds in kGrowthDelta so
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// subtract it before calling)
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EnsureCapacityFor(4*kGrowthDelta - kGrowthDelta);
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}
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nsString::nsString(const char* anISOLatin1) {
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mLength=mCapacity=0;
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mStr=0;
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PRInt32 len=strlen(anISOLatin1);
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EnsureCapacityFor(len);
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this->SetString(anISOLatin1,len);
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}
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/*-------------------------------------------------------
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* constructor from string
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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nsString::nsString(const nsString &aString) {
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mLength=mCapacity=0;
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mStr=0;
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EnsureCapacityFor(aString.mLength);
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this->SetString(aString.mStr,aString.mLength);
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}
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/*-------------------------------------------------------
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* constructor from unicode string
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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nsString::nsString(const PRUnichar* aUnicodeStr){
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mLength=mCapacity=0;
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mStr=0;
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PRInt32 len=(aUnicodeStr) ? nsCRT::strlen(aUnicodeStr) : 0;
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EnsureCapacityFor(len);
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this->SetString(aUnicodeStr,len);
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}
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/*-------------------------------------------------------
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* special subclas constructor
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* this will optionally not allocate a buffer
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* but the subclass must
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* @update psl 4/16/98
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* @param
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* @return
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*------------------------------------------------------*/
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nsString::nsString(PRBool aSubclassBuffer)
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{
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mLength=mCapacity=0;
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mStr=0;
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if (PR_FALSE == aSubclassBuffer) {
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EnsureCapacityFor(1);
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this->SetString("");
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}
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}
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/*-------------------------------------------------------
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* standard destructor
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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nsString::~nsString()
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{
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delete [] mStr;
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mStr=0;
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mCapacity=mLength=0;
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}
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void
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nsString::SizeOf(nsISizeOfHandler* aHandler) const
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{
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aHandler->Add(sizeof(*this));
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aHandler->Add(mCapacity * sizeof(chartype));
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}
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/*-------------------------------------------------------
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* This method gets called when the internal buffer needs
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* to grow to a given size.
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* @update gess 3/30/98
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* @param aNewLength -- new capacity of string
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* @return void
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*------------------------------------------------------*/
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void nsString::EnsureCapacityFor(PRInt32 aNewLength)
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{
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PRInt32 newCapacity;
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if (mCapacity > 64) {
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// When the string starts getting large, double the capacity as we
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// grow.
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newCapacity = mCapacity * 2;
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if (newCapacity < aNewLength) {
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newCapacity = mCapacity + aNewLength;
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}
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} else {
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// When the string is small, keep it's capacity a multiple of
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// kGrowthDelta
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PRInt32 size =aNewLength+kGrowthDelta;
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newCapacity=size-(size % kGrowthDelta);
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}
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if(mCapacity<newCapacity) {
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mCapacity=newCapacity;
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chartype* temp = new chartype[newCapacity+1];
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if (mLength > 0) {
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nsCRT::memcpy(temp, mStr, mLength * sizeof(chartype));
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}
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if(mStr)
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delete [] mStr;
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mStr = temp;
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mStr[mLength]=0;
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}
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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void nsString::SetLength(PRInt32 aLength) {
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// NS_WARNING("Depricated method -- not longer required with dynamic strings. Use Truncate() instead.");
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EnsureCapacityFor(aLength);
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if (aLength > mLength) {
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nsCRT::zero(mStr + mLength, (aLength - mLength) * sizeof(chartype));
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}
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mLength=aLength;
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}
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/*-------------------------------------------------------
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* This method truncates this string to given length.
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*
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* @update gess 3/27/98
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* @param anIndex -- new length of string
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* @return nada
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*------------------------------------------------------*/
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void nsString::Truncate(PRInt32 anIndex) {
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if((anIndex>-1) && (anIndex<mLength)) {
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mLength=anIndex;
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mStr[mLength]=0;
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}
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}
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//accessor methods
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/*-------------------------------------------------------
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* Retrieve pointer to internal string value
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* @update gess 3/27/98
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* @param
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* @return PRUnichar* to internal string
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*------------------------------------------------------*/
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PRUnichar* nsString::GetUnicode(void) const{
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return mStr;
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}
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/*-------------------------------------------------------
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* Retrieve pointer to internal string value
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* @update gess 3/27/98
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* @param
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* @return PRUnichar* to internal string
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*------------------------------------------------------*/
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nsString::operator PRUnichar*() const{
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return mStr;
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}
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/*-------------------------------------------------------
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* Retrieve pointer to internal string value
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* @update gess 3/27/98
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* @param
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* @return new char* copy of internal string
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nsString::operator char*() const{
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return ToNewCString();
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}
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*------------------------------------------------------*/
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/*-------------------------------------------------------
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* Retrieve pointer to internal string value
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* @update gess 3/27/98
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* @param
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* @return PRUnichar* to internal string
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*------------------------------------------------------*/
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PRUnichar* nsString::operator()() const{
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return mStr;
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}
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/*-------------------------------------------------------
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* Retrieve pointer to internal string value
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* @update gess 3/27/98
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* @param
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* @return PRUnichar* to internal string
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*------------------------------------------------------*/
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PRUnichar nsString::operator()(int anIndex) const{
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NS_ASSERTION(anIndex<mLength,kOutOfBoundsError);
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if((anIndex<mLength) && (mStr))
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return mStr[anIndex];
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else return gBadChar;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRUnichar& nsString::operator[](PRInt32 anIndex) const{
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// NS_ASSERTION(anIndex<mLength,kOutOfBoundsError);
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if((anIndex<mLength) && (mStr))
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return mStr[anIndex];
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else return gBadChar;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRUnichar& nsString::CharAt(PRInt32 anIndex) const{
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NS_ASSERTION(anIndex<mLength,kOutOfBoundsError);
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if((anIndex<mLength) && (mStr))
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return mStr[anIndex];
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else return gBadChar;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRUnichar& nsString::First() const{
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if((mLength) && (mStr))
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return mStr[0];
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else return gBadChar;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRUnichar& nsString::Last() const{
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if((mLength) && (mStr))
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return mStr[mLength-1];
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else return gBadChar;
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}
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/*-------------------------------------------------------
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* Create a new string by appending given string to this
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* @update gess 3/27/98
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* @param aString -- 2nd string to be appended
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* @return
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*------------------------------------------------------*/
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nsString nsString::operator+(const nsString& aString){
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nsString temp(*this);
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temp.Append(aString.mStr,aString.mLength);
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return temp;
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}
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/*-------------------------------------------------------
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* create a new string by adding this to the given buffer.
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* @update gess 3/27/98
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* @param aBuffer: buffer to be added to this
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* @return newly created string
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*------------------------------------------------------*/
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nsString nsString::operator+(const char* anISOLatin1) {
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nsString temp(*this);
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temp.Append(anISOLatin1);
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return temp;
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}
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/*-------------------------------------------------------
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* create a new string by adding this to the given char.
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* @update gess 3/27/98
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* @param aChar: char to be added to this
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* @return newly created string
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*------------------------------------------------------*/
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nsString nsString::operator+(char aChar) {
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nsString temp(*this);
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temp.Append(chartype(aChar));
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return temp;
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}
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/*-------------------------------------------------------
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* create a new string by adding this to the given buffer.
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* @update gess 3/27/98
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* @param aBuffer: buffer to be added to this
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* @return newly created string
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*------------------------------------------------------*/
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nsString nsString::operator+(const PRUnichar* aStr) {
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nsString temp(*this);
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temp.Append(aStr);
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return temp;
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}
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/*-------------------------------------------------------
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* create a new string by adding this to the given char.
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* @update gess 3/27/98
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* @param aChar: char to be added to this
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* @return newly created string
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*------------------------------------------------------*/
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nsString nsString::operator+(PRUnichar aChar) {
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nsString temp(*this);
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temp.Append(aChar);
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return temp;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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void nsString::ToLowerCase()
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{
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chartype* cp = mStr;
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chartype* end = cp + mLength;
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while (cp < end) {
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chartype ch = *cp;
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if ((ch >= 'A') && (ch <= 'Z')) {
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*cp = 'a' + (ch - 'A');
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}
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cp++;
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}
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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void nsString::ToUpperCase()
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{
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chartype* cp = mStr;
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chartype* end = cp + mLength;
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while (cp < end) {
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chartype ch = *cp;
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if ((ch >= 'a') && (ch <= 'z')) {
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*cp = 'A' + (ch - 'a');
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}
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cp++;
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}
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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void nsString::ToLowerCase(nsString& aOut) const
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{
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aOut.EnsureCapacityFor(mLength);
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aOut.mLength = mLength;
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chartype* to = aOut.mStr;
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chartype* from = mStr;
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chartype* end = from + mLength;
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while (from < end) {
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chartype ch = *from++;
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if ((ch >= 'A') && (ch <= 'Z')) {
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ch = 'a' + (ch - 'A');
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}
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*to++ = ch;
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}
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*to = 0;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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void nsString::ToUpperCase(nsString& aOut) const
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{
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aOut.EnsureCapacityFor(mLength);
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aOut.mLength = mLength;
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chartype* to = aOut.mStr;
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chartype* from = mStr;
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chartype* end = from + mLength;
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while (from < end) {
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chartype ch = *from++;
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if ((ch >= 'a') && (ch <= 'z')) {
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ch = 'A' + (ch - 'a');
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}
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*to++ = ch;
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}
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*to = 0;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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nsString* nsString::ToNewString() const {
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return new nsString(mStr);
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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char* nsString::ToNewCString() const
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{
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char* rv = new char[mLength + 1];
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return ToCString(rv,mLength+1);
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRUnichar* nsString::ToNewUnicode() const
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{
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PRInt32 len = mLength;
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chartype* rv = new chartype[len + 1];
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chartype* to = rv;
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chartype* from = mStr;
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while (--len >= 0) {
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*to++ = *from++;
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}
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*to++ = 0;
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return rv;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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void nsString::ToString(nsString& aString) const
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{
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aString.mLength = 0;
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aString.Append(mStr, mLength);
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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char* nsString::ToCString(char* aBuf, PRInt32 aBufLength) const
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{
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aBufLength--; // leave room for the \0
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PRInt32 len = mLength;
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if (len > aBufLength) {
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len = aBufLength;
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}
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char* to = aBuf;
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chartype* from = mStr;
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while (--len >= 0) {
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*to++ = char(*from++);
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}
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*to++ = '\0';
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return aBuf;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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float nsString::ToFloat(PRInt32* aErrorCode) const
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{
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char buf[40];
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if (mLength > sizeof(buf)-1) {
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*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
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return 0.0f;
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}
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char* cp = ToCString(buf, sizeof(buf));
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float f = (float) PR_strtod(cp, &cp);
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if (*cp != 0) {
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*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
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}
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*aErrorCode = (PRInt32) NS_OK;
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return f;
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}
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/*-------------------------------------------------------
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*
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* @update gess 3/27/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRInt32 nsString::ToInteger(PRInt32* aErrorCode) const {
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PRInt32 rv = 0;
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PRUnichar* cp = mStr;
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PRUnichar* end = mStr + mLength;
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// Skip leading whitespace
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while (cp < end) {
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PRUnichar ch = *cp;
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if (!IsSpace(ch)) {
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break;
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}
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cp++;
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}
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if (cp == end) {
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*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
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return rv;
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}
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// Check for sign
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PRUnichar sign = '+';
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if ((*cp == '+') || (*cp == '-')) {
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sign = *cp++;
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}
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if (cp == end) {
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*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
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return rv;
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}
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|
|
// Convert the number
|
|
while (cp < end) {
|
|
PRUnichar ch = *cp++;
|
|
if ((ch < '0') || (ch > '9')) {
|
|
*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
|
|
break;
|
|
}
|
|
rv = rv * 10 + (ch - '0');
|
|
}
|
|
|
|
if (sign == '-') {
|
|
rv = -rv;
|
|
}
|
|
*aErrorCode = NS_OK;
|
|
return rv;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given string to this one
|
|
* @update gess 3/27/98
|
|
* @param aString: string to be added to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator=(const nsString& aString) {
|
|
return this->SetString(aString.mStr,aString.mLength);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given char* to this string
|
|
* @update gess 3/27/98
|
|
* @param anISOLatin1: buffer to be assigned to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator=(const char* anISOLatin1) {
|
|
return SetString(anISOLatin1);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given char to this string
|
|
* @update gess 3/27/98
|
|
* @param aChar: char to be assignd to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator=(char aChar) {
|
|
return Append(PRUnichar(aChar));
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given PRUnichar* to this string
|
|
* @update gess 3/27/98
|
|
* @param anISOLatin1: buffer to be assigned to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::SetString(const PRUnichar* aStr,PRInt32 aLength) {
|
|
if(aStr!=0) {
|
|
PRInt32 len=(kNotFound==aLength) ? nsCRT::strlen(aStr) : aLength;
|
|
if(mCapacity< len )
|
|
EnsureCapacityFor(len);
|
|
nsCRT::memcpy(mStr,aStr,len*sizeof(chartype));
|
|
mLength=len;
|
|
mStr[mLength]=0;
|
|
}
|
|
else {
|
|
mLength=0; //This little bit of code handles the case
|
|
mStr[0]=0; //where some blockhead hands us a null string
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given char* to this string
|
|
* @update gess 3/27/98
|
|
* @param anISOLatin1: buffer to be assigned to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::SetString(const char* anISOLatin1,PRInt32 aLength) {
|
|
if(anISOLatin1!=0) {
|
|
PRInt32 len=(kNotFound==aLength) ? nsCRT::strlen(anISOLatin1) : aLength;
|
|
if(mCapacity<len)
|
|
EnsureCapacityFor(len);
|
|
for(int i=0;i<len;i++) {
|
|
mStr[i]=chartype(anISOLatin1[i]);
|
|
}
|
|
mLength=len;
|
|
mStr[mLength]=0;
|
|
}
|
|
else {
|
|
mLength=0; //This little bit of code handles the case
|
|
mStr[0]=0; //where some blockhead hands us a null string
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given char* to this string
|
|
* @update gess 3/27/98
|
|
* @param anISOLatin1: buffer to be assigned to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator=(const PRUnichar* aStr) {
|
|
return this->SetString(aStr);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* assign given char to this string
|
|
* @update gess 3/27/98
|
|
* @param aChar: char to be assignd to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator=(PRUnichar aChar) {
|
|
mLength=1;
|
|
if(mCapacity<1)
|
|
EnsureCapacityFor(kGrowthDelta);
|
|
mStr[0]=aChar;
|
|
mStr[1]=0;
|
|
return *this;
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* append given string to this string
|
|
* @update gess 3/27/98
|
|
* @param aString : string to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(const nsString& aString,PRInt32 aLength) {
|
|
return Append(aString.mStr,aString.mLength);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* append given string to this string
|
|
* @update gess 3/27/98
|
|
* @param aString : string to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(const char* anISOLatin1,PRInt32 aLength) {
|
|
if(anISOLatin1!=0) {
|
|
PRInt32 len=(kNotFound==aLength) ? strlen(anISOLatin1) : aLength;
|
|
if(mLength+len > mCapacity) {
|
|
EnsureCapacityFor(mLength+len);
|
|
}
|
|
for(int i=0;i<len;i++) {
|
|
mStr[mLength+i]=chartype(anISOLatin1[i]);
|
|
}
|
|
mLength+=len;
|
|
mStr[mLength]=0;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* append given string to this string
|
|
* @update gess 3/27/98
|
|
* @param aString : string to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(char aChar) {
|
|
return Append(PRUnichar(aChar));
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* append given string to this string
|
|
* @update gess 3/27/98
|
|
* @param aString : string to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(const PRUnichar* aString,PRInt32 aLength) {
|
|
if(aString!=0) {
|
|
PRInt32 len=(kNotFound==aLength) ? nsCRT::strlen(aString) : aLength;
|
|
if(mLength+len > mCapacity) {
|
|
EnsureCapacityFor(mLength+len);
|
|
}
|
|
if(len>0)
|
|
nsCRT::memcpy(&mStr[mLength],aString,len*sizeof(chartype));
|
|
mLength+=len;
|
|
mStr[mLength]=0;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* append given string to this string
|
|
* @update gess 3/27/98
|
|
* @param aString : string to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(PRUnichar aChar) {
|
|
if(mLength < mCapacity) {
|
|
mStr[mLength++]=aChar; // the new string len < capacity, so just copy
|
|
mStr[mLength]=0;
|
|
}
|
|
else { // The new string exceeds our capacity
|
|
EnsureCapacityFor(mLength+1);
|
|
mStr[mLength++]=aChar;
|
|
mStr[mLength]=0;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* append given string to this string
|
|
* @update gess 3/27/98
|
|
* @param aString : string to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator+=(const nsString &aString) {
|
|
return this->Append(aString.mStr,aString.mLength);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* append given buffer to this string
|
|
* @update gess 3/27/98
|
|
* @param anISOLatin1: buffer to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator+=(const char* anISOLatin1) {
|
|
return Append(anISOLatin1);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* append given buffer to this string
|
|
* @update gess 3/27/98
|
|
* @param aBuffer: buffer to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator+=(const PRUnichar* aBuffer) {
|
|
return Append(aBuffer);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* append given char to this string
|
|
* @update gess 3/27/98
|
|
* @param aChar: char to be appended to this
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::operator+=(PRUnichar aChar) {
|
|
return Append(aChar);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(PRInt32 aInteger,PRInt32 aRadix) {
|
|
char* fmt = "%d";
|
|
if (8 == aRadix) {
|
|
fmt = "%o";
|
|
} else if (16 == aRadix) {
|
|
fmt = "%x";
|
|
}
|
|
char buf[40];
|
|
PR_snprintf(buf, sizeof(buf), fmt, aInteger);
|
|
Append(buf);
|
|
return *this;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Append(float aFloat){
|
|
char buf[40];
|
|
PR_snprintf(buf, sizeof(buf), "%g", aFloat);
|
|
Append(buf);
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Copies n characters from this string to given string,
|
|
* starting at the leftmost offset.
|
|
*
|
|
*
|
|
* @update gess 4/1/98
|
|
* @param aCopy -- Receiving string
|
|
* @param aCount -- number of chars to copy
|
|
* @return number of chars copied
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Left(nsString& aCopy,PRInt32 aCount) {
|
|
return Mid(aCopy,0,aCount);
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* Copies n characters from this string to given string,
|
|
* starting at the given offset.
|
|
*
|
|
*
|
|
* @update gess 4/1/98
|
|
* @param aCopy -- Receiving string
|
|
* @param aCount -- number of chars to copy
|
|
* @param anOffset -- position where copying begins
|
|
* @return number of chars copied
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Mid(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount) {
|
|
if(anOffset<mLength) {
|
|
aCount=(anOffset+aCount<=mLength) ? aCount : mLength-anOffset;
|
|
|
|
PRUnichar* from = mStr + anOffset;
|
|
PRUnichar* end = mStr + anOffset + aCount;
|
|
|
|
while (from < end) {
|
|
PRUnichar ch = *from;
|
|
aCopy.Append(ch);
|
|
from++;
|
|
}
|
|
}
|
|
else aCount=0;
|
|
return aCount;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* Copies n characters from this string to given string,
|
|
* starting at rightmost char.
|
|
*
|
|
*
|
|
* @update gess 4/1/98
|
|
* @param aCopy -- Receiving string
|
|
* @param aCount -- number of chars to copy
|
|
* @return number of chars copied
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Right(nsString& aCopy,PRInt32 aCount) {
|
|
PRInt32 offset=(mLength-aCount<0) ? 0 : mLength-aCount;
|
|
return Mid(aCopy,offset,aCount);
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* This method inserts n chars from given string into this
|
|
* string at str[anOffset].
|
|
*
|
|
* @update gess 4/1/98
|
|
* @param aCopy -- String to be inserted into this
|
|
* @param anOffset -- insertion position within this str
|
|
* @param aCount -- number of chars to be copied from aCopy
|
|
* @return number of chars inserted into this.
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount) {
|
|
aCount=(aCount>aCopy.mLength) ? aCopy.mLength : aCount; //don't try to copy more than you are given
|
|
if(aCount>0) {
|
|
|
|
//1st optimization: If you're inserting at end, then simply append!
|
|
if(anOffset>=mLength){
|
|
Append(aCopy,aCopy.mLength);
|
|
return aCopy.mLength;
|
|
}
|
|
|
|
if(mLength+aCount > mCapacity) {
|
|
EnsureCapacityFor(mLength+aCount);
|
|
}
|
|
|
|
PRUnichar* last = mStr + mLength;
|
|
PRUnichar* first = mStr + anOffset-1;
|
|
PRUnichar* next = mStr + mLength + aCount;
|
|
|
|
//Copy rightmost chars, up to offset+aCount...
|
|
while(first<last) {
|
|
char ch1=char(*last);
|
|
char ch2=char(*next);
|
|
*next=*last;
|
|
next--;
|
|
last--;
|
|
}
|
|
|
|
//now insert new chars, starting at offset
|
|
next = last;
|
|
first = aCopy.mStr - 1;
|
|
last = aCopy.mStr + aCount;
|
|
|
|
while (++first<last) {
|
|
*(++next)=*first;
|
|
}
|
|
mLength+=aCount;
|
|
}
|
|
return aCount;
|
|
}
|
|
|
|
|
|
/**
|
|
* Insert a single unicode char into this string at
|
|
* a specified offset.
|
|
*
|
|
* @update gess4/22/98
|
|
* @param aChar char to be inserted into this string
|
|
* @param anOffset is insert pos in str
|
|
* @return the number of chars inserted into this string
|
|
*/
|
|
PRInt32 nsString::Insert(PRUnichar aChar,PRInt32 anOffset){
|
|
|
|
//1st optimization: If you're inserting at end, then simply append!
|
|
if(anOffset<mLength){
|
|
|
|
if(mLength+1> mCapacity) {
|
|
EnsureCapacityFor(mLength+1);
|
|
}
|
|
|
|
PRUnichar* last = mStr + mLength;
|
|
PRUnichar* first = mStr + anOffset-1;
|
|
PRUnichar* next = mStr + mLength + 1;
|
|
|
|
//Copy rightmost chars, up to offset+aCount...
|
|
while(first<last) {
|
|
char ch1=char(*last);
|
|
char ch2=char(*next);
|
|
*next=*last;
|
|
next--;
|
|
last--;
|
|
}
|
|
|
|
//now insert new chars, starting at offset
|
|
mStr[anOffset]=aChar;
|
|
mLength+=1;
|
|
}
|
|
else Append(aChar);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* This method is used to cut characters in this string
|
|
* starting at anOffset, continuing for aCount chars.
|
|
*
|
|
* @update gess 3/26/98
|
|
* @param anOffset -- start pos for cut operation
|
|
* @param aCount -- number of chars to be cut
|
|
* @return *this
|
|
*------------------------------------------------------*/
|
|
nsString&
|
|
nsString::Cut(PRInt32 anOffset, PRInt32 aCount)
|
|
{
|
|
if (PRUint32(anOffset) < PRUint32(mLength)) {
|
|
PRInt32 spos=anOffset+aCount;
|
|
PRInt32 delcnt=(spos<mLength) ? aCount : mLength-anOffset;
|
|
if (spos < mLength) {
|
|
nsCRT::memmove(&mStr[anOffset], &mStr[spos],
|
|
sizeof(chartype) * (mLength - spos));
|
|
}
|
|
mLength -= delcnt;
|
|
mStr[mLength] = 0; // restore zero terminator
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* This method is used to remove all occurances of the
|
|
* characters found in aSet from this string.
|
|
*
|
|
* @update gess 3/26/98
|
|
* @param aSet -- characters to be cut from this
|
|
* @return *this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::StripChars(const char* aSet){
|
|
PRUnichar* from = mStr;
|
|
PRUnichar* end = mStr + mLength;
|
|
PRUnichar* to = mStr;
|
|
|
|
while (from < end) {
|
|
PRUnichar ch = *from;
|
|
if(0==strchr(aSet,char(ch))) {
|
|
*to++=*from;
|
|
}
|
|
from++;
|
|
}
|
|
*to = '\0';
|
|
mLength = to - mStr;
|
|
return *this;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::IsAlpha(PRUnichar ch) {
|
|
// XXX i18n
|
|
if (((ch >= 'A') && (ch <= 'Z')) || ((ch >= 'a') && (ch <= 'z'))) {
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::IsSpace(PRUnichar ch) {
|
|
// XXX i18n
|
|
if ((ch == ' ') || (ch == '\r') || (ch == '\n') || (ch == '\t')) {
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param
|
|
* @return isalpha
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::IsDigit(PRUnichar ch) {
|
|
// XXX i18n
|
|
return PRBool((ch >= '0') && (ch <= '9'));
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* This method trims characters found in aTrimSet from
|
|
* either end of the underlying string.
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param aTrimSet -- contains chars to be trimmed from
|
|
* both ends
|
|
* @return this
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::Trim(const char* aTrimSet,
|
|
PRBool aEliminateLeading,
|
|
PRBool aEliminateTrailing)
|
|
{
|
|
PRUnichar* from = mStr;
|
|
PRUnichar* end = mStr + mLength-1;
|
|
PRUnichar* to = mStr;
|
|
|
|
//begin by find the first char not in aTrimSet
|
|
if(aEliminateLeading) {
|
|
while (from < end) {
|
|
PRUnichar ch = *from;
|
|
if(!strchr(aTrimSet,char(ch))) {
|
|
break;
|
|
}
|
|
from++;
|
|
}
|
|
}
|
|
|
|
//Now, find last char not in aTrimSet
|
|
if(aEliminateTrailing) {
|
|
while(end> from) {
|
|
PRUnichar ch = *end;
|
|
if(!strchr(aTrimSet,char(ch))) {
|
|
break;
|
|
}
|
|
end--;
|
|
}
|
|
}
|
|
|
|
//now rewrite your string without unwanted
|
|
//leading or trailing characters.
|
|
while (from <= end) {
|
|
*to++ = *from++;
|
|
}
|
|
|
|
*to = '\0';
|
|
mLength = to - mStr;
|
|
return *this;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::CompressWhitespace( PRBool aEliminateLeading,
|
|
PRBool aEliminateTrailing)
|
|
{
|
|
PRUnichar* from = mStr;
|
|
PRUnichar* end = mStr + mLength;
|
|
PRUnichar* to = from;
|
|
|
|
Trim(" \r\n\t",aEliminateLeading,aEliminateTrailing);
|
|
|
|
//this code converts /n, /t, /r into normal space ' ';
|
|
//it also eliminates runs of whitespace...
|
|
while (from < end) {
|
|
PRUnichar ch = *from++;
|
|
if (IsSpace(ch)) {
|
|
*to++ = ' ';
|
|
while (from < end) {
|
|
ch = *from++;
|
|
if (!IsSpace(ch)) {
|
|
*to++ = ch;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
*to++ = ch;
|
|
}
|
|
}
|
|
|
|
*to = '\0';
|
|
mLength = to - mStr;
|
|
return *this;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* XXX This is used by bina all over the place; not sure
|
|
* it belongs here though
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsString& nsString::StripWhitespace()
|
|
{
|
|
Trim(" \r\n\t");
|
|
return StripChars("\r\t\n");
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Search for given buffer within this string
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param anISOLatin1Buf - charstr to be found
|
|
* @return offset in string, or -1 (kNotFound)
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Find(const char* anISOLatin1Buf) const{
|
|
NS_ASSERTION(0!=anISOLatin1Buf,kNullPointerError);
|
|
PRInt32 result=-1;
|
|
if(anISOLatin1Buf) {
|
|
PRInt32 len=strlen(anISOLatin1Buf);
|
|
if(len<=mLength) { //only enter if abuffer length is <= mStr length.
|
|
for(PRInt32 offset=0;offset<mLength-len;offset++)
|
|
if(0==nsCRT::strncmp(&mStr[offset],anISOLatin1Buf,len))
|
|
return offset; //in this case, 0 means they match
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* Search for given buffer within this string
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param aString - PUnichar* to be found
|
|
* @return offset in string, or -1 (kNotFound)
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Find(const PRUnichar* aString) const{
|
|
NS_ASSERTION(0!=aString,kNullPointerError);
|
|
PRInt32 result=-1;
|
|
if(aString) {
|
|
PRInt32 len=nsCRT::strlen(aString);
|
|
if(len<=mLength) { //only enter if abuffer length is <= mStr length.
|
|
for(PRInt32 offset=0;offset<mLength-len;offset++)
|
|
if(0==nsCRT::strncmp(&mStr[offset],aString,len))
|
|
return offset; //in this case, 0 means they match
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Search for given buffer within this string
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param nsString -- buffer to be found
|
|
* @return offset in string, or -1 (kNotFound)
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Find(const nsString& aString) const{
|
|
PRInt32 result=-1;
|
|
|
|
PRInt32 len=aString.mLength;
|
|
if(len<=mLength) { //only enter if abuffer length is <= mStr length.
|
|
for(PRInt32 offset=0;offset<mLength-len;offset++) {
|
|
if(0==nsCRT::strncmp(&mStr[offset],aString.mStr,len)) {
|
|
return offset; //in this case, 0 means they match
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Search for a given char, starting at given offset
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return offset of found char, or -1 (kNotFound)
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Find(PRUnichar aChar, PRInt32 anOffset) const{
|
|
PRInt32 result=0;
|
|
|
|
for(PRInt32 i=anOffset;i<mLength;i++)
|
|
if(aChar==mStr[i])
|
|
return i;
|
|
return kNotFound;
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::FindFirstCharInSet(const char* anISOLatin1Set,PRInt32 anOffset) const{
|
|
NS_ASSERTION(0!=anISOLatin1Set,kNullPointerError);
|
|
if(anISOLatin1Set && (strlen(anISOLatin1Set))) {
|
|
for(PRInt32 i=anOffset;i<mLength;i++){
|
|
char* pos=strchr(anISOLatin1Set,char(mStr[i]));
|
|
if(pos)
|
|
return i;
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::FindFirstCharInSet(nsString& aSet,PRInt32 anOffset) const{
|
|
if(aSet.Length()) {
|
|
for(PRInt32 i=anOffset;i<mLength;i++){
|
|
PRInt32 pos=aSet.Find(mStr[i]);
|
|
if(kNotFound!=pos)
|
|
return i;
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::FindLastCharInSet(const char* anISOLatin1Set,PRInt32 anOffset) const{
|
|
NS_ASSERTION(0!=anISOLatin1Set,kNullPointerError);
|
|
if(anISOLatin1Set && strlen(anISOLatin1Set)) {
|
|
for(PRInt32 i=mLength-1;i>0;i--){
|
|
char* pos=strchr(anISOLatin1Set,char(mStr[i]));
|
|
if(pos)
|
|
return i;
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::FindLastCharInSet(nsString& aSet,PRInt32 anOffset) const{
|
|
if(aSet.Length()) {
|
|
for(PRInt32 i=mLength-1;i>0;i--){
|
|
PRInt32 pos=aSet.Find(mStr[i]);
|
|
if(kNotFound!=pos)
|
|
return i;
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::RFind(const PRUnichar* aString,PRBool aIgnoreCase) const{
|
|
NS_ASSERTION(0!=aString,kNullPointerError);
|
|
|
|
if(aString) {
|
|
PRInt32 len=nsCRT::strlen(aString);
|
|
if((len) && (len<=mLength)) { //only enter if abuffer length is <= mStr length.
|
|
for(PRInt32 offset=mLength-len;offset>=0;offset--) {
|
|
PRInt32 result=0;
|
|
if(aIgnoreCase)
|
|
result=nsCRT::strncasecmp(&mStr[offset],aString,len);
|
|
else result=nsCRT::strncmp(&mStr[offset],aString,len);
|
|
if(0==result)
|
|
return offset; //in this case, 0 means they match
|
|
}
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::RFind(const nsString& aString,PRBool aIgnoreCase) const{
|
|
PRInt32 len=aString.mLength;
|
|
if((len) && (len<=mLength)) { //only enter if abuffer length is <= mStr length.
|
|
for(PRInt32 offset=mLength-len;offset>=0;offset--) {
|
|
PRInt32 result=0;
|
|
if(aIgnoreCase)
|
|
result=nsCRT::strncasecmp(&mStr[offset],aString.mStr,len);
|
|
else result=nsCRT::strncmp(&mStr[offset],aString.mStr,len);
|
|
if(0==result)
|
|
return offset; //in this case, 0 means they match
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::RFind(const char* anISOLatin1Set,PRBool aIgnoreCase) const{
|
|
NS_ASSERTION(0!=anISOLatin1Set,kNullPointerError);
|
|
|
|
if(anISOLatin1Set) {
|
|
PRInt32 len=strlen(anISOLatin1Set);
|
|
if((len) && (len<=mLength)) { //only enter if abuffer length is <= mStr length.
|
|
for(PRInt32 offset=mLength-len;offset>=0;offset--) {
|
|
PRInt32 result=0;
|
|
if(aIgnoreCase)
|
|
result=nsCRT::strncasecmp(&mStr[offset],anISOLatin1Set,len);
|
|
else result=nsCRT::strncmp(&mStr[offset],anISOLatin1Set,len);
|
|
if(0==result)
|
|
return offset; //in this case, 0 means they match
|
|
}
|
|
}
|
|
}
|
|
return kNotFound;
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Scans this string backwards for first occurance of
|
|
* the given char.
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return offset of char in string, or -1 (kNotFound)
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::RFind(PRUnichar aChar,PRBool aIgnoreCase) const{
|
|
chartype uc=nsCRT::ToUpper(aChar);
|
|
for(PRInt32 offset=mLength-1;offset>0;offset--)
|
|
if(aIgnoreCase) {
|
|
if(nsCRT::ToUpper(mStr[offset])==uc)
|
|
return offset;
|
|
}
|
|
else if(mStr[offset]==aChar)
|
|
return offset; //in this case, 0 means they match
|
|
return kNotFound;
|
|
|
|
}
|
|
|
|
//****** comparision methods... *******
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Compare(const char *anISOLatin1,PRBool aIgnoreCase) const {
|
|
if (aIgnoreCase) {
|
|
return nsCRT::strcasecmp(mStr,anISOLatin1);
|
|
}
|
|
return nsCRT::strcmp(mStr,anISOLatin1);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
* LAST MODS: gess
|
|
*
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Compare(const nsString &S,PRBool aIgnoreCase) const {
|
|
if (aIgnoreCase) {
|
|
return nsCRT::strcasecmp(mStr,S.mStr);
|
|
}
|
|
return nsCRT::strcmp(mStr,S.mStr);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsString::Compare(const PRUnichar* aString,PRBool aIgnoreCase) const {
|
|
if (aIgnoreCase) {
|
|
return nsCRT::strcasecmp(mStr,aString);
|
|
}
|
|
return nsCRT::strcmp(mStr,aString);
|
|
}
|
|
|
|
|
|
PRInt32 nsString::operator==(const nsString &S) const {return Compare(S)==0;}
|
|
PRInt32 nsString::operator==(const char *s) const {return Compare(s)==0;}
|
|
PRInt32 nsString::operator==(const PRUnichar *s) const {return Compare(s)==0;}
|
|
PRInt32 nsString::operator!=(const nsString &S) const {return Compare(S)!=0;}
|
|
PRInt32 nsString::operator!=(const char *s ) const {return Compare(s)!=0;}
|
|
PRInt32 nsString::operator!=(const PRUnichar *s) const {return Compare(s)==0;}
|
|
PRInt32 nsString::operator<(const nsString &S) const {return Compare(S)<0;}
|
|
PRInt32 nsString::operator<(const char *s) const {return Compare(s)<0;}
|
|
PRInt32 nsString::operator<(const PRUnichar *s) const {return Compare(s)==0;}
|
|
PRInt32 nsString::operator>(const nsString &S) const {return Compare(S)>0;}
|
|
PRInt32 nsString::operator>(const char *s) const {return Compare(s)>0;}
|
|
PRInt32 nsString::operator>(const PRUnichar *s) const {return Compare(s)==0;}
|
|
PRInt32 nsString::operator<=(const nsString &S) const {return Compare(S)<=0;}
|
|
PRInt32 nsString::operator<=(const char *s) const {return Compare(s)<=0;}
|
|
PRInt32 nsString::operator<=(const PRUnichar *s) const {return Compare(s)==0;}
|
|
PRInt32 nsString::operator>=(const nsString &S) const {return Compare(S)>=0;}
|
|
PRInt32 nsString::operator>=(const char *s) const {return Compare(s)>=0;}
|
|
PRInt32 nsString::operator>=(const PRUnichar *s) const {return Compare(s)==0;}
|
|
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* Compare this to given string
|
|
* @update gess 3/27/98
|
|
* @param aString -- string to compare to this
|
|
* @return TRUE if equal
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::Equals(const nsString& aString) const {
|
|
PRInt32 result=nsCRT::strcmp(mStr,aString.mStr);
|
|
return PRBool(0==result);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* Compare this to given string
|
|
* @update gess 3/27/98
|
|
* @param aCString -- Cstr to compare to this
|
|
* @return TRUE if equal
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::Equals(const char* aCString) const{
|
|
NS_ASSERTION(0!=aCString,kNullPointerError);
|
|
PRInt32 result=nsCRT::strcmp(mStr,aCString);
|
|
return PRBool(0==result);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* Compare this to given atom
|
|
* @update gess 3/27/98
|
|
* @param aAtom -- atom to compare to this
|
|
* @return TRUE if equal
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::Equals(const nsIAtom* aAtom) const
|
|
{
|
|
NS_ASSERTION(0!=aAtom,kNullPointerError);
|
|
PRInt32 result=nsCRT::strcmp(mStr,aAtom->GetUnicode());
|
|
return PRBool(0==result);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
* Compare given strings
|
|
* @update gess 3/27/98
|
|
* @param s1 -- first string to be compared
|
|
* @param s2 -- second string to be compared
|
|
* @return TRUE if equal
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::Equals(const PRUnichar* s1, const PRUnichar* s2) const {
|
|
NS_ASSERTION(0!=s1,kNullPointerError);
|
|
NS_ASSERTION(0!=s2,kNullPointerError);
|
|
PRBool result=PR_FALSE;
|
|
if((s1) && (s2)){
|
|
PRInt32 cmp=nsCRT::strcmp(s1,s2);
|
|
result=PRBool(0==cmp);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::EqualsIgnoreCase(const nsString& aString) const{
|
|
PRInt32 result=nsCRT::strcasecmp(mStr,aString.mStr);
|
|
return PRBool(0==result);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::EqualsIgnoreCase(const nsIAtom *aAtom) const{
|
|
NS_ASSERTION(0!=aAtom,kNullPointerError);
|
|
PRBool result=PR_FALSE;
|
|
if(aAtom){
|
|
PRInt32 cmp=nsCRT::strcasecmp(mStr,aAtom->GetUnicode());
|
|
result=PRBool(0==cmp);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::EqualsIgnoreCase(const PRUnichar* s1, const PRUnichar* s2) const {
|
|
NS_ASSERTION(0!=s1,kNullPointerError);
|
|
NS_ASSERTION(0!=s2,kNullPointerError);
|
|
PRBool result=PR_FALSE;
|
|
if((s1) && (s2)){
|
|
PRInt32 cmp=nsCRT::strcasecmp(s1,s2);
|
|
result=PRBool(0==cmp);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRBool nsString::EqualsIgnoreCase(const char* aCString) const {
|
|
NS_ASSERTION(0!=aCString,kNullPointerError);
|
|
PRBool result=PR_FALSE;
|
|
if(aCString){
|
|
PRInt32 cmp=nsCRT::strcasecmp(mStr,aCString);
|
|
result=PRBool(0==cmp);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
void nsString::DebugDump(ostream& aStream) const {
|
|
for(int i=0;i<mLength;i++) {
|
|
aStream <<char(mStr[i]);
|
|
}
|
|
aStream << endl;
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
void nsString::SelfTest(void) {
|
|
|
|
#if 0
|
|
|
|
nsAutoString as("Hello there");
|
|
as.SelfTest();
|
|
|
|
static const char* temp="hello";
|
|
|
|
//first, let's test the constructors...
|
|
nsString a(temp);
|
|
nsString* a_=new nsString(a); //test copy constructor
|
|
nsString b("world!");
|
|
|
|
//verify destructor...
|
|
delete a_;
|
|
a_=0;
|
|
|
|
//Let's verify the Length() method...
|
|
NS_ASSERTION(5==a.Length(),"Error: constructor probably bad!");
|
|
|
|
//**********************************************
|
|
//Let's check out the ACCESSORS...
|
|
//**********************************************
|
|
|
|
chartype* p1=a.GetUnicode();
|
|
chartype* p2=a; //should invoke the PRUnichar conversion operator...
|
|
for(int i=0;i<a.Length();i++) {
|
|
NS_ASSERTION(a[i]==temp[i],"constructor error!"); //test [] operator
|
|
NS_ASSERTION(a.CharAt(i)==temp[i],"constructor error!"); //test charAt method
|
|
NS_ASSERTION(a(i)==temp[i],"constructor error!"); //test (i) operator
|
|
}
|
|
NS_ASSERTION(a.First()==temp[0],"constructor error!");
|
|
NS_ASSERTION(a.Last()==temp[a.Length()-1],"constructor error!");
|
|
|
|
//**********************************************
|
|
//Now let's test the CREATION operators...
|
|
//**********************************************
|
|
|
|
static const char* temp1="helloworld!";
|
|
nsString temp2=a+b;
|
|
nsString temp3=a+"world!";
|
|
nsString temp4=temp2+'!';
|
|
|
|
//let's quick check the PRUnichar operator+ method...
|
|
PRUnichar* uc=temp4.GetUnicode();
|
|
nsString temp4a("Begin");
|
|
temp4a.DebugDump(cout);
|
|
nsString temp4b=temp4a+uc;
|
|
temp4b.DebugDump(cout);
|
|
|
|
temp2.DebugDump(cout);
|
|
temp3.DebugDump(cout);
|
|
temp4.DebugDump(cout);
|
|
for(i=0;i<temp2.Length();i++) {
|
|
NS_ASSERTION(temp1[i]==temp2[i],"constructor error!");
|
|
NS_ASSERTION(temp1[i]==temp3[i],"constructor error!");
|
|
NS_ASSERTION(temp1[i]==temp4[i],"constructor error!");
|
|
}
|
|
NS_ASSERTION(temp4.Last()=='!',"constructor error!");
|
|
NS_ASSERTION(temp4.Length()>temp3.Length(),"constructor error!"); //should be char longer
|
|
|
|
nsString* es1=temp2.ToNewString(); //this should make us a new string
|
|
char* es2=temp2.ToNewCString();
|
|
for(i=0;i<temp2.Length();i++) {
|
|
NS_ASSERTION(es2[i]==(*es1)[i],"Creation error!");
|
|
}
|
|
|
|
nsString temp5("123.123");
|
|
PRInt32 error=0;
|
|
float f=temp5.ToFloat(&error);
|
|
nsString temp6("1234");
|
|
error=0;
|
|
PRInt32 theInt=temp6.ToInteger(&error);
|
|
|
|
//**********************************************
|
|
//Now let's test a few string COMPARISION ops...
|
|
//**********************************************
|
|
|
|
nsString temp8("aaaa");
|
|
nsString temp9("bbbb");
|
|
|
|
const char* aaaa="aaaa";
|
|
const char* bbbb="bbbb";
|
|
|
|
NS_ASSERTION(temp8==temp8,"Error: Comparision routine");
|
|
NS_ASSERTION(temp8==aaaa,"Error: Comparision routine");
|
|
|
|
NS_ASSERTION(temp8!=temp9,"Error: Comparision (!) routine");
|
|
NS_ASSERTION(temp8!=bbbb,"Error: Comparision (!) routine");
|
|
|
|
NS_ASSERTION(temp8<temp9,"Error: Comparision (<) routine");
|
|
NS_ASSERTION(temp8<bbbb,"Error: Comparision (<) routine");
|
|
|
|
NS_ASSERTION(temp9>temp8,"Error: Comparision (>) routine");
|
|
NS_ASSERTION(temp9>aaaa,"Error: Comparision (>) routine");
|
|
|
|
NS_ASSERTION(temp8<=temp8,"Error: Comparision (<=) routine");
|
|
NS_ASSERTION(temp8<=temp9,"Error: Comparision (<=) routine");
|
|
NS_ASSERTION(temp8<=bbbb,"Error: Comparision (<=) routine");
|
|
|
|
NS_ASSERTION(temp9>=temp9,"Error: Comparision (<=) routine");
|
|
NS_ASSERTION(temp9>=temp8,"Error: Comparision (<=) routine");
|
|
NS_ASSERTION(temp9>=aaaa,"Error: Comparision (<=) routine");
|
|
|
|
NS_ASSERTION(temp8.Equals(temp8),"Equals error");
|
|
NS_ASSERTION(temp8.Equals(aaaa),"Equals error");
|
|
|
|
nsString temp10(temp8);
|
|
temp10.ToUpperCase();
|
|
NS_ASSERTION(temp8.EqualsIgnoreCase(temp10),"Equals error");
|
|
NS_ASSERTION(temp8.EqualsIgnoreCase("AAAA"),"Equals error");
|
|
|
|
|
|
//**********************************************
|
|
//Now let's test a few string MANIPULATORS...
|
|
//**********************************************
|
|
|
|
nsAutoString ab("ab");
|
|
nsString abcde("cde");
|
|
abcde.Insert(ab,0,2);
|
|
nsAutoString xxx("xxx");
|
|
abcde.Insert(xxx,2,3);
|
|
|
|
temp2.ToUpperCase();
|
|
for(i=0;i<temp2.Length();i++) {
|
|
NS_ASSERTION(nsCRT::ToUpper(temp1[i])==temp2[i],"ToUpper error!");
|
|
}
|
|
temp2.ToLowerCase();
|
|
for(i=0;i<temp2.Length();i++) {
|
|
NS_ASSERTION(temp1[i]==temp2[i],"ToLower error!");
|
|
}
|
|
nsString temp7(temp2);
|
|
temp2.ToUpperCase(temp7);
|
|
for(i=0;i<temp2.Length();i++) {
|
|
NS_ASSERTION(nsCRT::ToUpper(temp1[i])==temp7[i],"ToLower error!");
|
|
}
|
|
|
|
nsString cut("abcdef");
|
|
cut.Cut(7,10); //this is out of bounds, so ignore...
|
|
cut.DebugDump(cout);
|
|
cut.Cut(5,2); //cut last chars
|
|
cut.DebugDump(cout);
|
|
cut.Cut(1,1); //cut first char
|
|
cut.DebugDump(cout);
|
|
cut.Cut(2,1); //cut one from the middle
|
|
cut.DebugDump(cout);
|
|
cut="Hello there Rick";
|
|
cut.StripChars("Re"); //remove the R and e characters...
|
|
cut.DebugDump(cout);
|
|
|
|
cut="'\"abcdef\"'";
|
|
cut.Trim("'");
|
|
cut.DebugDump(cout);
|
|
cut.Trim("\"",PR_TRUE,PR_FALSE);
|
|
cut.DebugDump(cout);
|
|
cut.Trim("\"",PR_FALSE,PR_TRUE);
|
|
cut.DebugDump(cout);
|
|
|
|
cut="abc def\n\n ghi";
|
|
cut.StripWhitespace();
|
|
cut.DebugDump(cout);
|
|
cut="abc def\n\n ghi";
|
|
cut.CompressWhitespace();
|
|
cut.DebugDump(cout);
|
|
|
|
|
|
//**********************************************
|
|
//Now let's test the ASSIGNMENT operators...
|
|
//**********************************************
|
|
|
|
nsString temp12;
|
|
nsString temp13;
|
|
nsString temp14;
|
|
|
|
temp12 = a; //test assignment from another string ("hello")
|
|
temp13= "Hello world!"; //test assignment from char*
|
|
temp14 = '?'; //test assignment from char
|
|
|
|
PRUnichar* uni=temp4.GetUnicode();
|
|
nsString temp14a;
|
|
temp14a=uni; //test PRUnichar assignment operator...
|
|
temp14a.DebugDump(cout);
|
|
|
|
//**********************************************
|
|
//Now let's test the APPENDING operators...
|
|
//**********************************************
|
|
|
|
temp14a+=uni; //test PRUnichar append operator (+=)
|
|
temp14a.DebugDump(cout);
|
|
|
|
temp12+=temp2; //append another string
|
|
temp12.DebugDump(cout);
|
|
temp13+="What!"; //append a char*
|
|
temp13.DebugDump(cout);
|
|
temp14+='?'; //append a char
|
|
temp14.DebugDump(cout);
|
|
|
|
temp14.Append(1000,10); //append an int
|
|
temp14.DebugDump(cout);
|
|
float f1=123.55f;
|
|
temp14.Append(f1); //append a float
|
|
temp14.DebugDump(cout);
|
|
|
|
//**********************************************
|
|
//Now let's test the SEARCHING operations...
|
|
//**********************************************
|
|
|
|
nsString temp15("abcdefghijklmnopqrstuvwxyzabc");
|
|
PRInt32 pos=temp15.Find("efg");
|
|
NS_ASSERTION(pos==4,"Error: Find routine");
|
|
|
|
pos=temp15.Find(PRUnichar('r'));
|
|
NS_ASSERTION(pos==17,"Error: Find char routine");
|
|
|
|
pos=temp15.FindFirstCharInSet("12k");
|
|
NS_ASSERTION(pos==10,"Error: FindFirstInChar routine");
|
|
|
|
pos=temp15.FindLastCharInSet("12k");
|
|
NS_ASSERTION(pos==10,"Error: FindLastInChar routine");
|
|
|
|
pos=temp15.RFind("abc");
|
|
NS_ASSERTION(pos==26,"Error: RFind routine");
|
|
|
|
pos=temp15.RFind("xxx");
|
|
NS_ASSERTION(pos==-1,"Error: RFind routine"); //this should fail
|
|
|
|
pos=temp15.RFind("");
|
|
NS_ASSERTION(pos==-1,"Error: RFind routine"); //this too should fail.
|
|
|
|
pos=temp15.RFind(PRUnichar('a'));
|
|
NS_ASSERTION(pos==26,"Error: RFind routine");
|
|
|
|
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::nsAutoString()
|
|
: nsString(PR_TRUE)
|
|
{
|
|
mStr = mBuf;
|
|
mLength=0;
|
|
mCapacity = (sizeof(mBuf) / sizeof(chartype))-sizeof(chartype);
|
|
mStr[0] = 0;
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::nsAutoString(const char* isolatin1)
|
|
: nsString(PR_TRUE)
|
|
{
|
|
mLength=0;
|
|
mCapacity = (sizeof(mBuf) / sizeof(chartype))-sizeof(chartype);
|
|
mStr=mBuf;
|
|
SetString(isolatin1);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::nsAutoString(const nsString& other)
|
|
: nsString(PR_TRUE)
|
|
{
|
|
mLength=0;
|
|
mCapacity = (sizeof(mBuf) / sizeof(chartype))-sizeof(chartype);
|
|
mStr=mBuf;
|
|
SetString(other.GetUnicode(),other.Length());
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::nsAutoString(PRUnichar aChar)
|
|
: nsString(PR_TRUE)
|
|
{
|
|
mLength=0;
|
|
mCapacity = (sizeof(mBuf) / sizeof(chartype))-sizeof(chartype);
|
|
mStr=mBuf;
|
|
Append(aChar);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::nsAutoString(const nsAutoString& other)
|
|
: nsString(PR_TRUE)
|
|
{
|
|
mLength=0;
|
|
mCapacity = (sizeof(mBuf) / sizeof(chartype))-sizeof(chartype);
|
|
mStr=mBuf;
|
|
SetString(other.GetUnicode(),other.mLength);
|
|
}
|
|
|
|
/**
|
|
* nsAutoString's buffer growing routine uses a different algorithm
|
|
* than nsString because the lifetime of the auto string is assumed
|
|
* to be shorter. Therefore, we double the size of the buffer each
|
|
* time we grow so that (hopefully) we quickly get to the right
|
|
* size.
|
|
*/
|
|
void nsAutoString::EnsureCapacityFor(PRInt32 aNewLength) {
|
|
if (aNewLength > mCapacity) {
|
|
PRInt32 size = mCapacity * 2;
|
|
if (size < aNewLength) {
|
|
size = mCapacity + aNewLength;
|
|
}
|
|
mCapacity=size;
|
|
chartype* temp = new chartype[mCapacity+1];
|
|
if (mLength > 0) {
|
|
nsCRT::memcpy(temp, mStr, mLength * sizeof(chartype));
|
|
}
|
|
if ((mStr != mBuf) && (0 != mStr)) {
|
|
delete [] mStr;
|
|
}
|
|
mStr = temp;
|
|
}
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::nsAutoString(const PRUnichar* unicode, PRInt32 uslen)
|
|
: nsString(PR_TRUE)
|
|
{
|
|
mStr = mBuf;
|
|
mCapacity = sizeof(mBuf) / sizeof(chartype);
|
|
if (0 == uslen) {
|
|
uslen = nsCRT::strlen(unicode);
|
|
}
|
|
Append(unicode, uslen);
|
|
}
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsAutoString::~nsAutoString()
|
|
{
|
|
if (mStr == mBuf) {
|
|
// Force to null so that baseclass dtor doesn't do damage
|
|
mStr = nsnull;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsAutoString::SizeOf(nsISizeOfHandler* aHandler) const
|
|
{
|
|
aHandler->Add(sizeof(*this));
|
|
if (mStr != mBuf) {
|
|
aHandler->Add(mCapacity * sizeof(chartype));
|
|
}
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
*
|
|
*
|
|
* @update gess 3/31/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
void nsAutoString::SelfTest(){
|
|
nsAutoString xas("Hello there");
|
|
xas.Append("this string exceeds the max size");
|
|
xas.DebugDump(cout);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------
|
|
*
|
|
* @update gess 3/27/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
NS_BASE int fputs(const nsString& aString, FILE* out)
|
|
{
|
|
char buf[100];
|
|
char* cp = buf;
|
|
PRInt32 len = aString.Length();
|
|
if (len >= sizeof(buf)) {
|
|
cp = aString.ToNewCString();
|
|
} else {
|
|
aString.ToCString(cp, len + 1);
|
|
}
|
|
::fwrite(cp, 1, len, out);
|
|
if (cp != buf) {
|
|
delete cp;
|
|
}
|
|
return (int) len;
|
|
}
|
|
|