зеркало из https://github.com/mozilla/gecko-dev.git
282 строки
8.4 KiB
C
282 строки
8.4 KiB
C
/* -*- Mode: C; tab-width: 8; 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 <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "rdf.h"
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#include "gs.h"
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void describeItem (WriteClientProc callBack, void* obj, RDF_Resource u) ;
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void describeItemSimple (WriteClientProc callBack, void* obj, RDF_Resource u) ;
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RDF_Resource
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getNodeFromQuery (char* query) {
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RDF_Resource ans;
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if (!(ans = RDF_GetResource(query, 0))) {
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return RDF_GetResource("Top", 1);
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} else return ans;
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}
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#define ROW_WIDTH 3
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#define PREFIX "<form method=get action=\"OpenDir?\"><B>Search:</B> <input size=25 name=search> <input type=submit value=search><br><BR><BR></form><div align=right><a href=\"/odoptions.html\">Personalize</a></div>"
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void
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SortResourceList (RDF_Resource* list, size_t n, char sortType) {
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if (sortType == 'd') {
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} else {
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}
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}
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void
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listParents(WriteClientProc callBack, void* obj, RDF_Resource node, int depth) {
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RDF_Resource narrow = RDF_GetResource("narrow", 1);
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RDF_Resource parent = RDF_OnePropSource(0, node, narrow);
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RDF_Resource name = RDF_GetResource("name", 1);
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char* id = RDF_ResourceID(node);
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char* nm = (char*) RDF_OnePropValue(0, node, name, RDF_STRING_TYPE);
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char* cnm = strrchr(id, '/');
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char buff[500];
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if (!nm || strchr(nm, '/')) nm = (cnm ? cnm + 1 : id);
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if ((depth < 10) && parent) listParents(callBack, obj, parent, depth+1);
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sprintf(buff, "<B><a href=\"OpenDir?browse=%s\">%s</a> > </B> ", id, nm);
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(*callBack)(obj, buff);
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}
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char
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cookiePropValue (char* cookie, char* prop) {
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size_t len = strlen(prop);
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char* str = strstr(cookie, prop);
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if (!str) {
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return 0;
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} else {
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return *(str + len + 1);
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}
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}
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void
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AnswerOpenDirQuery (WriteClientProc callBack, void* obj, char *query, char* cookie) {
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char buff[1000];
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RDF_Resource narrow = RDF_GetResource("narrow", 1);
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RDF_Resource link = RDF_GetResource("link", 1);
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RDF_Resource name = RDF_GetResource("name", 1);
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RDF_Resource topic = RDF_GetResource("Topic", 1);
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RDF_Resource desc = RDF_GetResource("description", 1);
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RDF_Resource editor = RDF_GetResource("editor", 1);
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RDF_Resource newsGroup = RDF_GetResource("newsGroup", 1);
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RDF_Resource node = getNodeFromQuery(query);
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char widthc = cookiePropValue(cookie, "cols");
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char sort = cookiePropValue(cookie, "sort");
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size_t rw = (widthc ? ((int)widthc - 48) : 3);
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if (!sort) sort = 'D';
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if (node) {
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RDF_Cursor c = RDF_GetTargets(0, node, narrow, RDF_RESOURCE_TYPE);
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RDF_Resource u = (RDF_Resource) RDF_NextValue(c);
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(*callBack)(obj, PREFIX);
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listParents(callBack, obj, node, 0);
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if (u) {
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(*callBack)(obj, "<BR><hr><table cellspacing=\"6\" cellpadding=\"6\" width=\"80%\">");
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while (u) {
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int w = 0;
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(*callBack)(obj, "<tr>");
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while ((w < rw) && u) {
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char* nm = (char*) RDF_OnePropValue(0, u, name, RDF_STRING_TYPE);
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char* id = RDF_ResourceID(u);
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if (!nm || strchr(nm, '/')) nm = strrchr(id, '/') +1;
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sprintf(buff, "<td width=\"%i%\"><li><a href=\"OpenDir?browse=%s\">%s</a></td>",
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(100 / rw), id, (nm ? nm : id));
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(*callBack)(obj, buff);
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w++;
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u = (RDF_Resource) RDF_NextValue(c);
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}
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(*callBack)(obj, "</tr>");
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}
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(*callBack)(obj, "</table>");
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}
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RDF_DisposeCursor(c);
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(*callBack)(obj, "<hr><UL>");
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c = RDF_GetTargets(0, node, link, RDF_RESOURCE_TYPE);
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u = (RDF_Resource) RDF_NextValue(c);
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while (u) {
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describeItem(callBack, obj, u);
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u = (RDF_Resource) RDF_NextValue(c);
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}
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(*callBack)(obj, "</UL>");
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RDF_DisposeCursor(c);
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c = RDF_GetTargets(0, node, newsGroup, RDF_RESOURCE_TYPE);
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u = (RDF_Resource) RDF_NextValue(c);
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if (u) {
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(*callBack)(obj, "<hr><b>NewsGroups:</B>");
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while (u) {
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char* id = RDF_ResourceID(u);
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sprintf(buff, "<li><a href=\"%s\">%s</a>", id, id);
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(*callBack)(obj, buff);
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u = (RDF_Resource) RDF_NextValue(c);
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}
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(*callBack)(obj, "</UL>");
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}
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RDF_DisposeCursor(c);
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c = RDF_GetTargets(0, node, editor, RDF_RESOURCE_TYPE);
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u = (RDF_Resource) RDF_NextValue(c);
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if (u) {
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(*callBack)(obj, "<hr><b>Editors:</b>");
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while (u) {
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char* id = RDF_ResourceID(u);
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sprintf(buff, " %s", id);
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(*callBack)(obj, buff);
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u = (RDF_Resource) RDF_NextValue(c);
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}
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RDF_DisposeCursor(c);
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}
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}
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}
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void describeCategory (WriteClientProc callBack, void* obj, RDF_Resource u) {
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char buff[1000];
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sprintf(buff, "<li><B><a href=\"OpenDir?browse=%s\">%s</a></B>", RDF_ResourceID(u),
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RDF_ResourceID(u));
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(*callBack)(obj, buff);
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}
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#define MRN 1000
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char*
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xGetMem (size_t n) {
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char* ans = (char*) malloc(n);
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if (ans) memset(ans, '\0', n);
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return ans;
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}
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void
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xFreeMem(void* item) {
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free(item);
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}
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RDF_Resource
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stToProp (char c) {
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if (!c || (c == 'a')) {
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return 0;
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} else if (c == 'n') {
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return RDF_GetResource("name", 1);
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} else if (c == 'd') {
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return RDF_GetResource("description", 1);
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} else return 0;
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}
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void
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AnswerSearchQuery (WriteClientProc callBack, void* obj, char *query, char* cookie) {
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char st = cookiePropValue(cookie, "searchTarget");
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RDF_Cursor c = RDFGS_Search(0, query, stToProp(st));
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RDF_Resource name = RDF_GetResource("name", 1);
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RDF_Resource topic = RDF_GetResource("Topic", 1);
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RDF_Resource type = RDF_GetResource("type", 1);
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RDF_Resource u ;
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RDF_Resource* cats = (RDF_Resource*)xGetMem(sizeof(RDF_Resource) * (MRN + 1));
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RDF_Resource* items = (RDF_Resource*)xGetMem(sizeof(RDF_Resource) * (MRN + 1));;
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size_t catn = 0;
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size_t itemn = 0;
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size_t index;
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char showDesc = cookiePropValue(cookie, "searchDesc");
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(*callBack)(obj, PREFIX);
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(*callBack)(obj, "<B>Search : ");
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(*callBack)(obj, query);
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(*callBack)(obj, "</B>");
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while ((u = (RDF_Resource) RDFGS_NextValue(c)) &&
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(itemn < MRN-1) && (catn < MRN-1)) {
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if (RDF_HasAssertion(0, u, type, topic, RDF_RESOURCE_TYPE)) {
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cats[catn++] = u;
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} else {
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items[itemn++] = u;
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}
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}
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RDFGS_DisposeCursor(c);
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if (catn > 0) {
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(*callBack)(obj, "<HR><B>Matching Categories :</B><BR>");
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(*callBack)(obj, "<UL>");
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for (index = 0; index < catn ; index++) {
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if (cats[index]) describeCategory(callBack, obj, cats[index]);
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}
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(*callBack)(obj, "</UL>");
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}
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if (itemn > 0) {
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(*callBack)(obj, "<HR><B>Matching Links :</B><BR><UL>");
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for (index = 0; index < itemn ; index++) {
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if (items[index]) {
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if (showDesc == 'n') {
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describeItemSimple(callBack, obj, items[index]);
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} else {
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describeItem(callBack, obj, items[index]);
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}
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}
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}
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(*callBack)(obj, "</UL>");
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}
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xFreeMem(items);
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xFreeMem(cats);
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}
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void
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describeItemSimple (WriteClientProc callBack, void* obj, RDF_Resource u) {
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char buff[5000];
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RDF_Resource name = RDF_GetResource("name", 1);
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char* nm = (char*) RDF_OnePropValue(0, u, name, RDF_STRING_TYPE);
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char* id = RDF_ResourceID(u);
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sprintf(buff, "<li><a href=\"%s\">%s</a>", id, (nm ? nm : id));
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(*callBack)(obj, buff);
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}
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void
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describeItem (WriteClientProc callBack, void* obj, RDF_Resource u) {
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char buff[5000];
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RDF_Resource name = RDF_GetResource("name", 1);
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RDF_Resource desc = RDF_GetResource("description", 1);
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char* nm = (char*) RDF_OnePropValue(0, u, name, RDF_STRING_TYPE);
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char* id = RDF_ResourceID(u);
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char* des = (char*) RDF_OnePropValue(0, u, desc, RDF_STRING_TYPE);
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sprintf(buff, "<li><a href=\"%s\">%s</a> %s %s", id, (nm ? nm : id),
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(des ? " : " : ""), (des ? des : ""));
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(*callBack)(obj, buff);
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}
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