diff options
Diffstat (limited to 'src/xmlcode.l')
| -rw-r--r-- | src/xmlcode.l | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/src/xmlcode.l b/src/xmlcode.l new file mode 100644 index 0000000..ebba910 --- /dev/null +++ b/src/xmlcode.l @@ -0,0 +1,411 @@ +/****************************************************************************** + * + * Copyright (C) 1997-2014 by Dimitri van Heesch. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation under the terms of the GNU General Public License is hereby + * granted. No representations are made about the suitability of this software + * for any purpose. It is provided "as is" without express or implied warranty. + * See the GNU General Public License for more details. + * + * Documents produced by Doxygen are derivative works derived from the + * input used in their production; they are not affected by this license. + * + */ +/****************************************************************************** + * Parser for syntax hightlighting and references for XML + * written by Weston Thayer + ******************************************************************************/ + +%{ + +#include <stdio.h> + +#include "xmlcode.h" + +#include "entry.h" +#include "doxygen.h" +#include "outputlist.h" +#include "util.h" +#include "membername.h" +#include "searchindex.h" +#include "config.h" +#include "filedef.h" +#include "tooltip.h" + +#define YY_NEVER_INTERACTIVE 1 +#define YY_NO_INPUT 1 + +static CodeOutputInterface * g_code; +static QCString g_curClassName; +static QCString g_parmType; +static QCString g_parmName; +static const char * g_inputString; //!< the code fragment as text +static int g_inputPosition; //!< read offset during parsing +static int g_inputLines; //!< number of line in the code fragment +static int g_yyLineNr; //!< current line number +static bool g_needsTermination; +static Definition *g_searchCtx; + +static QCString g_exampleName; +static QCString g_exampleFile; + +static QCString g_type; +static QCString g_name; +static QCString g_args; +static QCString g_classScope; + +static QCString g_CurrScope; + +static FileDef * g_sourceFileDef; +static Definition * g_currentDefinition; +static MemberDef * g_currentMemberDef; +static bool g_includeCodeFragment; +static const char * g_currentFontClass; + +static void codify(const char* text) +{ + g_code->codify(text); +} + +static void setCurrentDoc(const QCString &anchor) +{ + if (Doxygen::searchIndex) + { + if (g_searchCtx) + { + Doxygen::searchIndex->setCurrentDoc(g_searchCtx,g_searchCtx->anchor(),FALSE); + } + else + { + Doxygen::searchIndex->setCurrentDoc(g_sourceFileDef,anchor,TRUE); + } + } +} + +/*! start a new line of code, inserting a line number if g_sourceFileDef + * is TRUE. If a definition starts at the current line, then the line + * number is linked to the documentation of that definition. + */ +static void startCodeLine() +{ + if (g_sourceFileDef) + { + Definition *d = g_sourceFileDef->getSourceDefinition(g_yyLineNr); + + if (!g_includeCodeFragment && d && d->isLinkableInProject()) + { + g_currentDefinition = d; + g_currentMemberDef = g_sourceFileDef->getSourceMember(g_yyLineNr); + //g_insideBody = FALSE; + g_classScope = d->name().copy(); + QCString lineAnchor; + lineAnchor.sprintf("l%05d",g_yyLineNr); + if (g_currentMemberDef) + { + g_code->writeLineNumber(g_currentMemberDef->getReference(), + g_currentMemberDef->getOutputFileBase(), + g_currentMemberDef->anchor(),g_yyLineNr); + setCurrentDoc(lineAnchor); + } + else + { + g_code->writeLineNumber(d->getReference(), + d->getOutputFileBase(), + 0,g_yyLineNr); + setCurrentDoc(lineAnchor); + } + } + else + { + g_code->writeLineNumber(0,0,0,g_yyLineNr); + } + } + + g_code->startCodeLine(g_sourceFileDef); + + if (g_currentFontClass) + { + g_code->startFontClass(g_currentFontClass); + } +} + +static void endFontClass() +{ + if (g_currentFontClass) + { + g_code->endFontClass(); + g_currentFontClass=0; + } +} + +static void endCodeLine() +{ + endFontClass(); + g_code->endCodeLine(); +} + +static void nextCodeLine() +{ + const char *fc = g_currentFontClass; + endCodeLine(); + if (g_yyLineNr<g_inputLines) + { + g_currentFontClass = fc; + startCodeLine(); + } +} + +static void codifyLines(char *text) +{ + char *p=text,*sp=p; + char c; + bool done=FALSE; + + while (!done) + { + sp=p; + + while ((c=*p++) && c!='\n') { } + + if (c=='\n') + { + g_yyLineNr++; + *(p-1)='\0'; + g_code->codify(sp); + nextCodeLine(); + } + else + { + g_code->codify(sp); + done=TRUE; + } + } +} + +static void startFontClass(const char *s) +{ + endFontClass(); + g_code->startFontClass(s); + g_currentFontClass=s; +} + +/*! counts the number of lines in the input */ +static int countLines() +{ + const char *p=g_inputString; + char c; + int count=1; + while ((c=*p)) + { + p++ ; + if (c=='\n') count++; + } + if (p>g_inputString && *(p-1)!='\n') + { // last line does not end with a \n, so we add an extra + // line and explicitly terminate the line after parsing. + count++, + g_needsTermination=TRUE; + } + return count; +} + +#undef YY_INPUT +#define YY_INPUT(buf,result,max_size) result=yyread(buf,max_size); + +static int yyread(char *buf,int max_size) +{ + int c=0; + while( c < max_size && g_inputString[g_inputPosition] ) + { + *buf = g_inputString[g_inputPosition++] ; + c++; buf++; + } + return c; +} + +%} + +nl (\r\n|\r|\n) +ws [ \t]+ +open "<" +close ">" +namestart [A-Za-z\200-\377_] +namechar [:A-Za-z\200-\377_0-9.-] +esc "&#"[0-9]+";"|"&#x"[0-9a-fA-F]+";" +name {namestart}{namechar}* +comment {open}"!!--"([^-]|"-"[^-])*"--"{close} +data "random string" +string \"([^"&]|{esc})*\"|\'([^'&]|{esc})*\' + +%option noyywrap +%option nounput + +%% + +<INITIAL>{ws} { + codifyLines(yytext); + } +<INITIAL>"/" { + endFontClass(); + codify(yytext); + } +<INITIAL>"=" { + endFontClass(); + codify(yytext); + } +<INITIAL>{close} { + endFontClass(); + codify(yytext); + } +<INITIAL>{name} { + startFontClass("keyword"); + codify(yytext); + endFontClass(); + } +<INITIAL>{string} { + startFontClass("stringliteral"); + codifyLines(yytext); + endFontClass(); + } + +{open}{ws}?{name} { + // Write the < in a different color + char openBracket[] = { yytext[0], '\0' }; + codify(openBracket); + + // Then write the rest + yytext++; + startFontClass("keywordtype"); + codify(yytext); + endFontClass(); + + BEGIN(INITIAL); + } +{open}{ws}?"/"{name} { + // Write the "</" in a different color + char closeBracket[] = { yytext[0], yytext[1], '\0' }; + endFontClass(); + codify(closeBracket); + + // Then write the rest + yytext++; // skip the '<' + yytext++; // skip the '/' + startFontClass("keywordtype"); + codify(yytext); + endFontClass(); + + BEGIN(INITIAL); + } +{comment} { + // Strip off the extra '!' + yytext++; // < + *yytext = '<'; // replace '!' with '<' + + startFontClass("comment"); + codifyLines(yytext); + endFontClass(); + } +{nl} { + codifyLines(yytext); + } + +. { + //printf("!ERROR(%c)\n", *yytext); + codifyLines(yytext); + } + +%% + +void parseXmlCode( + CodeOutputInterface &od, + const char * /*className*/, + const QCString &s, + bool /*exBlock*/, + const char *exName, + FileDef *fd, + int startLine, + int endLine, + bool /*inlineFragment*/, + MemberDef *, + bool,Definition *searchCtx, + bool /*collectXRefs*/ + ) +{ + if (s.isEmpty()) return; + + TooltipManager::instance()->clearTooltips(); + + g_code = &od; + g_inputString = s; + g_inputPosition = 0; + g_currentFontClass = 0; + g_needsTermination = FALSE; + g_searchCtx=searchCtx; + + if (endLine!=-1) + g_inputLines = endLine+1; + else + g_inputLines = countLines(); + + if (startLine!=-1) + g_yyLineNr = startLine; + else + g_yyLineNr = 1; + + g_exampleName = exName; + g_sourceFileDef = fd; + + bool cleanupSourceDef = FALSE; + + if (fd==0) + { + // create a dummy filedef for the example + g_sourceFileDef = new FileDef("",(exName?exName:"generated")); + cleanupSourceDef = TRUE; + } + + if (g_sourceFileDef) + { + setCurrentDoc("l00001"); + } + + // Starts line 1 on the output + startCodeLine(); + + xmlcodeYYrestart( xmlcodeYYin ); + + xmlcodeYYlex(); + + if (g_needsTermination) + { + endCodeLine(); + } + if (fd) + { + TooltipManager::instance()->writeTooltips(*g_code); + } + if (cleanupSourceDef) + { + // delete the temporary file definition used for this example + delete g_sourceFileDef; + g_sourceFileDef=0; + } + + return; +} + +void resetXmlCodeParserState() +{ + g_currentDefinition = 0; + g_currentMemberDef = 0; +} + +#if !defined(YY_FLEX_SUBMINOR_VERSION) +extern "C" { // some bogus code to keep the compiler happy + void xmlcodeYYdummy() { yy_flex_realloc(0,0); } +} +#elif YY_FLEX_SUBMINOR_VERSION<33 +#error "You seem to be using a version of flex newer than 2.5.4. These are currently incompatible with 2.5.4, and do NOT work with doxygen! Please use version 2.5.4 or expect things to be parsed wrongly! A bug report has been submitted (#732132)." +#endif + |