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<h1>/home/v/Kate/WORK_TREES/kate-sorceress-backup/v/src/kate/src/kate_comment.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright (C) 2008, 2009 Vincent Penquerc'h.</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of the Kate codec library.</span>
<a name="l00003"></a>00003 <span class="comment"> Written by Vincent Penquerc'h.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Use, distribution and reproduction of this library is governed</span>
<a name="l00006"></a>00006 <span class="comment"> by a BSD style source license included with this source in the</span>
<a name="l00007"></a>00007 <span class="comment"> file 'COPYING'. Please read these terms before distributing. */</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#define KATE_INTERNAL</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#include "kate_internal.h"</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#include <stdio.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#ifdef HAVE_STDLIB_H</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#endif</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_STRING_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#endif</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#include "kate/kate.h"</span>
<a name="l00021"></a>00021
<a name="l00029"></a>00029 <span class="keywordtype">int</span> kate_comment_init(kate_comment *kc)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 <span class="keywordflow">if</span> (!kc) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00032"></a>00032
<a name="l00033"></a>00033 kc->user_comments=NULL;
<a name="l00034"></a>00034 kc->comment_lengths=NULL;
<a name="l00035"></a>00035 kc->comments=0;
<a name="l00036"></a>00036 kc->vendor=NULL;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keywordflow">return</span> 0;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00048"></a>00048 <span class="keywordtype">int</span> kate_comment_clear(kate_comment *kc)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordtype">int</span> n;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordflow">if</span> (!kc) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordflow">for</span> (n=0;n<kc->comments;++n) kate_free(kc->user_comments[n]);
<a name="l00055"></a>00055 <span class="keywordflow">if</span> (kc->user_comments) kate_free(kc->user_comments);
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (kc->comment_lengths) kate_free(kc->comment_lengths);
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (kc->vendor) kate_free(kc->vendor);
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordflow">return</span> 0;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keywordtype">int</span> kate_comment_check_tag(<span class="keyword">const</span> <span class="keywordtype">char</span> *tag,<span class="keywordtype">size_t</span> len)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keywordflow">if</span> (!tag) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (len==0) <span class="keywordflow">return</span> KATE_E_BAD_TAG;
<a name="l00067"></a>00067 <span class="keywordflow">while</span> (len--) {
<a name="l00068"></a>00068 <span class="keywordtype">int</span> c=*tag++;
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (c<0x20 || c>0x7d || c==<span class="charliteral">'='</span>) <span class="keywordflow">return</span> KATE_E_BAD_TAG;
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071 <span class="keywordflow">return</span> 0;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00086"></a>00086 <span class="keywordtype">int</span> kate_comment_add_length(kate_comment *kc,<span class="keyword">const</span> <span class="keywordtype">char</span> *comment,<span class="keywordtype">size_t</span> len)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keywordtype">int</span> *cl;
<a name="l00089"></a>00089 <span class="keywordtype">char</span> **uc;
<a name="l00090"></a>00090 <span class="keyword">const</span> <span class="keywordtype">char</span> *equals;
<a name="l00091"></a>00091 <span class="keywordtype">int</span> ret;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (!kc || !comment) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 ret=kate_check_add_overflow(kc->comments,1,NULL);
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (ret<0) <span class="keywordflow">return</span> ret;
<a name="l00097"></a>00097 ret=kate_check_add_overflow(len,1,NULL);
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (ret<0) <span class="keywordflow">return</span> ret;
<a name="l00099"></a>00099
<a name="l00100"></a>00100 equals=memchr(comment,<span class="charliteral">'='</span>,len);
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (!equals) <span class="keywordflow">return</span> KATE_E_BAD_TAG;
<a name="l00102"></a>00102 ret=kate_comment_check_tag(comment,equals-comment);
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (ret<0) <span class="keywordflow">return</span> ret;
<a name="l00104"></a>00104 ret=kate_text_validate(kate_utf8,equals,len-(equals-comment));
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (ret<0) <span class="keywordflow">return</span> ret;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 uc=kate_checked_realloc(kc->user_comments,(kc->comments+1),<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>*));
<a name="l00108"></a>00108 <span class="keywordflow">if</span> (!uc) <span class="keywordflow">return</span> KATE_E_OUT_OF_MEMORY;
<a name="l00109"></a>00109 kc->user_comments=uc;
<a name="l00110"></a>00110 cl=kate_checked_realloc(kc->comment_lengths,(kc->comments+1),<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (!cl) <span class="keywordflow">return</span> KATE_E_OUT_OF_MEMORY;
<a name="l00112"></a>00112 kc->comment_lengths=cl;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 kc->user_comments[kc->comments]=(<span class="keywordtype">char</span>*)kate_malloc(len+1);
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (!kc->user_comments[kc->comments]) <span class="keywordflow">return</span> KATE_E_OUT_OF_MEMORY;
<a name="l00116"></a>00116 memcpy(kc->user_comments[kc->comments],comment,len);
<a name="l00117"></a>00117 kc->user_comments[kc->comments][len]=0;
<a name="l00118"></a>00118 kc->comment_lengths[kc->comments]=len;
<a name="l00119"></a>00119
<a name="l00120"></a>00120 ++kc->comments;
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordflow">return</span> 0;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00136"></a>00136 <span class="keywordtype">int</span> kate_comment_add(kate_comment *kc,<span class="keyword">const</span> <span class="keywordtype">char</span> *comment)
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (!kc || !comment) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">return</span> kate_comment_add_length(kc,comment,strlen(comment));
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00156"></a>00156 <span class="keywordtype">int</span> kate_comment_add_tag(kate_comment *kc,<span class="keyword">const</span> <span class="keywordtype">char</span> *tag,<span class="keyword">const</span> <span class="keywordtype">char</span> *value)
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 <span class="keywordtype">char</span> *comment;
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (!kc || !tag || !value) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00161"></a>00161
<a name="l00162"></a>00162 comment=(<span class="keywordtype">char</span>*)kate_malloc(strlen(tag)+1+strlen(value)+1);
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (!comment) <span class="keywordflow">return</span> KATE_E_OUT_OF_MEMORY;
<a name="l00164"></a>00164 sprintf(comment,<span class="stringliteral">"%s=%s"</span>,tag,value);
<a name="l00165"></a>00165 kate_comment_add(kc,comment);
<a name="l00166"></a>00166 kate_free(comment);
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">return</span> 0;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170
<a name="l00184"></a>00184 <span class="keyword">const</span> <span class="keywordtype">char</span> *kate_comment_query(<span class="keyword">const</span> kate_comment *kc,<span class="keyword">const</span> <span class="keywordtype">char</span> *tag,<span class="keywordtype">int</span> count)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="keywordtype">int</span> n;
<a name="l00187"></a>00187 <span class="keywordtype">size_t</span> bytes;
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (!kc) <span class="keywordflow">return</span> NULL;
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keywordflow">for</span> (n=0;n<kc->comments;++n) {
<a name="l00192"></a>00192 <span class="keyword">const</span> <span class="keywordtype">char</span> *eq=strchr(kc->user_comments[n],<span class="charliteral">'='</span>);
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (!eq) <span class="keywordflow">continue</span>; <span class="comment">/* wrong format */</span>
<a name="l00194"></a>00194 bytes=eq-kc->user_comments[n];
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (!kate_ascii_strncasecmp(tag,kc->user_comments[n],bytes)) {
<a name="l00196"></a>00196 <span class="keywordflow">if</span> (count==0) <span class="keywordflow">return</span> eq+1;
<a name="l00197"></a>00197 --count;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 <span class="comment">/* not found */</span>
<a name="l00201"></a>00201 <span class="keywordflow">return</span> NULL;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00213"></a>00213 <span class="keywordtype">int</span> kate_comment_query_count(<span class="keyword">const</span> kate_comment *kc,<span class="keyword">const</span> <span class="keywordtype">char</span> *tag)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="keywordtype">int</span> n,count;
<a name="l00216"></a>00216 <span class="keywordtype">size_t</span> bytes;
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (!kc) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00219"></a>00219
<a name="l00220"></a>00220 count=0;
<a name="l00221"></a>00221 <span class="keywordflow">for</span> (n=0;n<kc->comments;++n) {
<a name="l00222"></a>00222 <span class="keyword">const</span> <span class="keywordtype">char</span> *eq=strchr(kc->user_comments[n],<span class="charliteral">'='</span>);
<a name="l00223"></a>00223 <span class="keywordflow">if</span> (!eq) <span class="keywordflow">continue</span>; <span class="comment">/* wrong format */</span>
<a name="l00224"></a>00224 bytes=eq-kc->user_comments[n];
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (!kate_ascii_strncasecmp(tag,kc->user_comments[n],bytes)) {
<a name="l00226"></a>00226 ++count;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="keywordflow">return</span> count;
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232
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