зеркало из https://github.com/mozilla/gecko-dev.git
323 строки
9.3 KiB
C
323 строки
9.3 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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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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extern int startsWith(const char* prefix, const char* pattern);
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RDF_Resource gNarrow;
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RDF_Resource gLink;
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RDF_Resource gName;
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RDF_Resource gTopic;
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RDF_Resource gDesc;
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RDF_Resource gEditor;
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RDF_Resource gNewsGroup;
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char* gTemplate;
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int gInited = 0;
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#define MAX_TEMPLATE_SIZE 20000
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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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char* id = RDF_ResourceID(node);
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char* nm = (char*) RDF_OnePropValue(0, node, gName, 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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Init () {
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if (!gInited) {
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int n = 0;
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FILE *templateFile = fopen("template.html", "r");
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if (!templateFile) printf("Could not open template!\n");
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gInited = 1;
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gNarrow = RDF_GetResource("narrow", 1);
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gLink = RDF_GetResource("link", 1);
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gName = RDF_GetResource("Title", 1);
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gTopic = RDF_GetResource("Topic", 1);
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gDesc = RDF_GetResource("Description", 1);
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gEditor = RDF_GetResource("editor", 1);
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gNewsGroup = RDF_GetResource("newsGroup", 1);
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gTemplate = (char*) malloc(MAX_TEMPLATE_SIZE+1);
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memset(gTemplate, '\0', MAX_TEMPLATE_SIZE);
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n = fread(gTemplate, 1, MAX_TEMPLATE_SIZE, templateFile);
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gTemplate[n] = '\0';
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fclose(templateFile);
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}
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}
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char*
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resourceName (RDF_Resource u) {
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char* nm = (char*) RDF_OnePropValue(0, u, gName, 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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return nm;
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}
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void
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outputTopicName (WriteClientProc callBack, void* obj, RDF_Resource node) {
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char* nm = (char*) RDF_OnePropValue(0, node, gName, RDF_STRING_TYPE);
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char* id = RDF_ResourceID(node);
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if (!nm || strchr(nm, '/'))
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if (strchr(id, '/')) {
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nm = strrchr(id, '/') +1;
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} else {
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nm = id;
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}
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(*callBack)(obj, nm);
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}
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void
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listSubTopics (WriteClientProc callBack, void* obj, RDF_Resource node, char* cookie, RDF_Resource p) {
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if (node) {
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RDF_Cursor c = RDF_GetTargets(0, node, p, RDF_RESOURCE_TYPE);
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char widthc = cookiePropValue(cookie, "cols");
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RDF_Resource u;
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char buff[5000];
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RDF_Resource subTopicList[200];
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int n = 0;
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int w = 0;
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while (u = (RDF_Resource) RDF_NextValue(c)) {
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subTopicList[n++] = u;
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}
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for (w = 0; w < n; w++) {
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char* id;
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if (((w == 0) || (w == ((n+1)/2))) && (p == gNarrow)) {
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if (w != 0) (*callBack)(obj, "</td>");
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(*callBack)(obj, "</UL>\n<TD width=\"40%\" valign=top><UL><FONT Face=\"sans-serif, Arial, Helvetica\">\n<UL>\n");
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}
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u = subTopicList[n-w-1];
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id = RDF_ResourceID(u);
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if (p == gNarrow) {
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sprintf(buff, "<li><a href=\"OpenDir?browse=%s\"><B>%s</B></a>\n", id, resourceName(u));
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} else {
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char* des = (char*) RDF_OnePropValue(0, u, gDesc, RDF_STRING_TYPE);
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sprintf(buff, "<li><a href=\"%s\">%s</a> %s %s\n", id, resourceName(u),
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(des ? " : " : ""), (des ? des : ""));
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}
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(*callBack)(obj, buff);
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}
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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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RDF_Resource node = getNodeFromQuery(query);
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size_t n = 0;
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char buff[MAX_TEMPLATE_SIZE];
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char* pbegin = 0;
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char* begin;
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Init();
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begin = gTemplate;
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while (pbegin = strstr(begin, "&Topic")) {
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memset(buff, '\0', 10000);
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memcpy(buff, begin, pbegin-begin);
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(*callBack)(obj, buff);
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if (startsWith("&TopicName;", pbegin)) {
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outputTopicName(callBack, obj, node);
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} else if (startsWith("&TopicPath;", pbegin)) {
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listParents(callBack, obj, node, 0);
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} else if (startsWith("&TopicSubTopics;", pbegin)) {
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listSubTopics(callBack, obj, node, cookie, gNarrow);
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} else if (startsWith("&TopicItems;", pbegin)) {
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listSubTopics(callBack, obj, node, cookie, gLink);
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} else if (startsWith("&TopicAddURL;", pbegin)) {
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(*callBack)(obj, "http://directory.mozilla.org/cgi-bin/add.cgi?where=");
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(*callBack)(obj, RDF_ResourceID(node));
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} else if (startsWith("&TopicBecomeEditor;", pbegin)) {
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(*callBack)(obj, "http://directory.mozilla.org/cgi-bin/apply.cgi?where=");
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(*callBack)(obj, RDF_ResourceID(node));
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}
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begin = pbegin + (strchr(pbegin, ';') - pbegin) + 1;
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}
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(*callBack)(obj, begin);
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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 gName;
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} else if (c == 'd') {
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return gDesc;
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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 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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size_t catn = 0;
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size_t itemn = 0;
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size_t index;
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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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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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char* nm = (char*) RDF_OnePropValue(0, u, gName, 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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char* nm = (char*) RDF_OnePropValue(0, u, gName, RDF_STRING_TYPE);
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char* id = RDF_ResourceID(u);
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char* des = (char*) RDF_OnePropValue(0, u, gDesc, 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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