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docparser.cpp
7645 lines (7198 loc) · 233 KB
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docparser.cpp
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/******************************************************************************
*
* Copyright (C) 1997-2021 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <cassert>
#include <ctype.h>
#include "qcstring.h"
#include "regex.h"
#include "doxygen.h"
#include "debug.h"
#include "util.h"
#include "pagedef.h"
#include "docparser.h"
#include "doctokenizer.h"
#include "cmdmapper.h"
#include "printdocvisitor.h"
#include "message.h"
#include "section.h"
#include "searchindex.h"
#include "language.h"
#include "portable.h"
#include "cite.h"
#include "arguments.h"
#include "vhdldocgen.h"
#include "groupdef.h"
#include "classlist.h"
#include "filedef.h"
#include "memberdef.h"
#include "namespacedef.h"
#include "reflist.h"
#include "formula.h"
#include "config.h"
#include "growbuf.h"
#include "markdown.h"
#include "htmlentity.h"
#include "emoji.h"
#include "fileinfo.h"
#include "dir.h"
#define TK_COMMAND_CHAR(token) ((token)==TK_COMMAND_AT ? '@' : '\\')
// debug off
#define DBG(x) do {} while(0)
// debug to stdout
//#define DBG(x) printf x
// debug to stderr
//#define myprintf(x...) fprintf(stderr,x)
//#define DBG(x) myprintf x
#define INTERNAL_ASSERT(x) do {} while(0)
//#define INTERNAL_ASSERT(x) if (!(x)) DBG(("INTERNAL_ASSERT(%s) failed retval=0x%x: file=%s line=%d\n",#x,retval,__FILE__,__LINE__));
//---------------------------------------------------------------------------
static const char *sectionLevelToName[] =
{
"page",
"section",
"subsection",
"subsubsection",
"paragraph",
"subparagraph"
};
static const char *plantumlStart[] = {"uml", "bpm", "wire", "dot", "ditaa",
"salt", "math", "latex", "gantt", "mindmap",
"wbs", "yaml", "creole", "json", "flow" };
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
using DefinitionStack = std::vector<const Definition *>;
using DocNodeStack = std::stack<const DocNode *>;
using DocStyleChangeStack = std::stack<const DocStyleChange *>;
// Parser state: global variables during a call to validatingParseDoc
static const Definition * g_scope;
static QCString g_context;
static bool g_inSeeBlock;
static bool g_xmlComment;
static bool g_insideHtmlLink;
static DocNodeStack g_nodeStack;
static DocStyleChangeStack g_styleStack;
static DocStyleChangeStack g_initialStyleStack;
static DefinitionStack g_copyStack;
static QCString g_fileName;
static QCString g_relPath;
static bool g_hasParamCommand;
static bool g_hasReturnCommand;
static StringSet g_retvalsFound;
static StringSet g_paramsFound;
static const MemberDef * g_memberDef;
static bool g_isExample;
static QCString g_exampleName;
static QCString g_searchUrl;
static QCString g_includeFileName;
static QCString g_includeFileText;
static uint g_includeFileOffset;
static uint g_includeFileLength;
static int g_includeFileLine;
static bool g_includeFileShowLineNo;
static bool g_markdownSupport;
/** Parser's context to store all global variables.
*/
struct DocParserContext
{
const Definition *scope;
QCString context;
bool inSeeBlock;
bool xmlComment;
bool insideHtmlLink;
DocNodeStack nodeStack;
DocStyleChangeStack styleStack;
DocStyleChangeStack initialStyleStack;
DefinitionStack copyStack;
QCString fileName;
int lineNo;
QCString relPath;
bool hasParamCommand;
bool hasReturnCommand;
const MemberDef * memberDef;
StringSet retvalsFound;
StringSet paramsFound;
bool isExample;
QCString exampleName;
QCString searchUrl;
QCString includeFileText;
uint includeFileOffset;
uint includeFileLength;
int includeFileLine;
bool includeFileLineNo;
TokenInfo *token;
};
static std::stack< std::unique_ptr<DocParserContext> > g_parserStack;
//---------------------------------------------------------------------------
class AutoNodeStack
{
public:
AutoNodeStack(const DocNode* node) : m_node(node) { g_nodeStack.push(node); }
~AutoNodeStack() {
#if defined(NDEBUG)
(void)m_node;
if (!g_nodeStack.empty()) g_nodeStack.pop(); // robust version that does not assert
#else
assert(g_nodeStack.top()==m_node); g_nodeStack.pop(); // error checking version
#endif
}
private:
const DocNode *m_node;
};
//---------------------------------------------------------------------------
static void handleImg(DocNode *parent,DocNodeList &children,const HtmlAttribList &tagHtmlAttribs);
//---------------------------------------------------------------------------
static void docParserPushContext(bool saveParamInfo=TRUE)
{
//QCString indent;
//indent.fill(' ',g_parserStack.count()*2+2);
//printf("%sdocParserPushContext() count=%d\n",indent.data(),g_nodeStack.count());
doctokenizerYYpushContext();
g_parserStack.push(std::make_unique<DocParserContext>());
auto &ctx = g_parserStack.top();
ctx->scope = g_scope;
ctx->context = g_context;
ctx->inSeeBlock = g_inSeeBlock;
ctx->xmlComment = g_xmlComment;
ctx->insideHtmlLink = g_insideHtmlLink;
ctx->nodeStack = g_nodeStack;
ctx->styleStack = g_styleStack;
ctx->initialStyleStack = g_initialStyleStack;
ctx->copyStack = g_copyStack;
ctx->fileName = g_fileName;
ctx->lineNo = getDoctokinizerLineNr();
ctx->relPath = g_relPath;
if (saveParamInfo)
{
ctx->hasParamCommand = g_hasParamCommand;
ctx->hasReturnCommand = g_hasReturnCommand;
ctx->paramsFound = g_paramsFound;
ctx->retvalsFound = g_retvalsFound;
}
ctx->memberDef = g_memberDef;
ctx->isExample = g_isExample;
ctx->exampleName = g_exampleName;
ctx->searchUrl = g_searchUrl;
ctx->includeFileText = g_includeFileText;
ctx->includeFileOffset = g_includeFileOffset;
ctx->includeFileLength = g_includeFileLength;
ctx->includeFileLine = g_includeFileLine;
ctx->includeFileLineNo = g_includeFileShowLineNo;
ctx->token = g_token;
g_token = new TokenInfo;
}
static void docParserPopContext(bool keepParamInfo=FALSE)
{
auto &ctx = g_parserStack.top();
g_scope = ctx->scope;
g_context = ctx->context;
g_inSeeBlock = ctx->inSeeBlock;
g_xmlComment = ctx->xmlComment;
g_insideHtmlLink = ctx->insideHtmlLink;
g_nodeStack = ctx->nodeStack;
g_styleStack = ctx->styleStack;
g_initialStyleStack = ctx->initialStyleStack;
g_copyStack = ctx->copyStack;
g_fileName = ctx->fileName;
setDoctokinizerLineNr(ctx->lineNo);
g_relPath = ctx->relPath;
if (!keepParamInfo)
{
g_hasParamCommand = ctx->hasParamCommand;
g_hasReturnCommand = ctx->hasReturnCommand;
g_retvalsFound = ctx->retvalsFound;
g_paramsFound = ctx->paramsFound;
}
g_memberDef = ctx->memberDef;
g_isExample = ctx->isExample;
g_exampleName = ctx->exampleName;
g_searchUrl = ctx->searchUrl;
g_includeFileText = ctx->includeFileText;
g_includeFileOffset = ctx->includeFileOffset;
g_includeFileLength = ctx->includeFileLength;
g_includeFileLine = ctx->includeFileLine;
g_includeFileShowLineNo = ctx->includeFileLineNo;
delete g_token;
g_token = ctx->token;
g_parserStack.pop();
doctokenizerYYpopContext();
//QCString indent;
//indent.fill(' ',g_parserStack.count()*2+2);
//printf("%sdocParserPopContext() count=%d\n",indent.data(),g_nodeStack.count());
}
//---------------------------------------------------------------------------
// replaces { with < and } with > and also
// replaces > with < and > with > within string s
static void unescapeCRef(QCString &s)
{
QCString tmp(s);
char *p = tmp.rawData();
if (p)
{
char c;
while ((c=*p))
{
if (c=='{') c='<'; else if (c=='}') c='>';
*p++=c;
}
}
tmp=substitute(tmp,"<","<");
tmp=substitute(tmp,">",">");
s = tmp;
}
//---------------------------------------------------------------------------
/*! search for an image in the imageNameDict and if found
* copies the image to the output directory (which depends on the \a type
* parameter).
*/
static QCString findAndCopyImage(const char *fileName,DocImage::Type type, bool dowarn = true)
{
QCString result;
bool ambig;
FileDef *fd = findFileDef(Doxygen::imageNameLinkedMap,fileName,ambig);
//printf("Search for %s\n",fileName);
if (fd)
{
if (ambig & dowarn)
{
QCString text;
text.sprintf("image file name %s is ambiguous.\n",qPrint(fileName));
text+="Possible candidates:\n";
text+=showFileDefMatches(Doxygen::imageNameLinkedMap,fileName);
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"%s", text.data());
}
QCString inputFile = fd->absFilePath();
FileInfo infi(inputFile.str());
if (infi.exists())
{
result = fileName;
int i;
if ((i=result.findRev('/'))!=-1 || (i=result.findRev('\\'))!=-1)
{
result = result.right((int)result.length()-i-1);
}
//printf("fileName=%s result=%s\n",fileName,result.data());
QCString outputDir;
switch(type)
{
case DocImage::Html:
if (!Config_getBool(GENERATE_HTML)) return result;
outputDir = Config_getString(HTML_OUTPUT);
break;
case DocImage::Latex:
if (!Config_getBool(GENERATE_LATEX)) return result;
outputDir = Config_getString(LATEX_OUTPUT);
break;
case DocImage::DocBook:
if (!Config_getBool(GENERATE_DOCBOOK)) return result;
outputDir = Config_getString(DOCBOOK_OUTPUT);
break;
case DocImage::Rtf:
if (!Config_getBool(GENERATE_RTF)) return result;
outputDir = Config_getString(RTF_OUTPUT);
break;
}
QCString outputFile = outputDir+"/"+result;
FileInfo outfi(outputFile.str());
if (outfi.isSymLink())
{
Dir().remove(outputFile.str());
warn_doc_error(g_fileName,getDoctokinizerLineNr(),
"destination of image %s is a symlink, replacing with image",
qPrint(outputFile));
}
if (outputFile!=inputFile) // prevent copying to ourself
{
if (copyFile(inputFile,outputFile) && type==DocImage::Html)
{
Doxygen::indexList->addImageFile(result);
}
}
}
else
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),
"could not open image %s",qPrint(fileName));
}
if (type==DocImage::Latex && Config_getBool(USE_PDFLATEX) &&
fd->name().right(4)==".eps"
)
{ // we have an .eps image in pdflatex mode => convert it to a pdf.
QCString outputDir = Config_getString(LATEX_OUTPUT);
QCString baseName = fd->name().left(fd->name().length()-4);
QCString epstopdfArgs(4096);
epstopdfArgs.sprintf("\"%s/%s.eps\" --outfile=\"%s/%s.pdf\"",
outputDir.data(), baseName.data(),
outputDir.data(), baseName.data());
Portable::sysTimerStart();
if (Portable::system("epstopdf",epstopdfArgs)!=0)
{
err("Problems running epstopdf. Check your TeX installation!\n");
}
Portable::sysTimerStop();
return baseName;
}
}
else
{
result=fileName;
if (result.left(5)!="http:" && result.left(6)!="https:" && dowarn)
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),
"image file %s is not found in IMAGE_PATH: "
"assuming external image.",qPrint(fileName)
);
}
}
return result;
}
/*! Collects the parameters found with \@param command
* in a global list g_paramsFound. If
* the parameter is not an actual parameter of the current
* member g_memberDef, then a warning is raised (unless warnings
* are disabled altogether).
*/
static void checkArgumentName(const std::string &name)
{
if (!Config_getBool(WARN_IF_DOC_ERROR)) return;
if (g_memberDef==0) return; // not a member
const ArgumentList &al=g_memberDef->isDocsForDefinition() ?
g_memberDef->argumentList() :
g_memberDef->declArgumentList();
SrcLangExt lang = g_memberDef->getLanguage();
//printf("isDocsForDefinition()=%d\n",g_memberDef->isDocsForDefinition());
if (al.empty()) return; // no argument list
static const reg::Ex re(R"(\$?\w+\.*)");
reg::Iterator it(name,re);
reg::Iterator end;
for (; it!=end ; ++it)
{
const auto &match = *it;
QCString aName=match.str();
if (lang==SrcLangExt_Fortran) aName=aName.lower();
//printf("aName='%s'\n",aName.data());
bool found=FALSE;
for (const Argument &a : al)
{
QCString argName = g_memberDef->isDefine() ? a.type : a.name;
if (lang==SrcLangExt_Fortran) argName=argName.lower();
argName=argName.stripWhiteSpace();
//printf("argName='%s' aName=%s\n",argName.data(),aName.data());
if (argName.right(3)=="...") argName=argName.left(argName.length()-3);
if (aName==argName)
{
g_paramsFound.insert(aName.str());
found=TRUE;
break;
}
}
if (!found)
{
//printf("member type=%d\n",g_memberDef->memberType());
QCString scope=g_memberDef->getScopeString();
if (!scope.isEmpty()) scope+="::"; else scope="";
QCString inheritedFrom = "";
QCString docFile = g_memberDef->docFile();
int docLine = g_memberDef->docLine();
const MemberDef *inheritedMd = g_memberDef->inheritsDocsFrom();
if (inheritedMd) // documentation was inherited
{
inheritedFrom.sprintf(" inherited from member %s at line "
"%d in file %s",qPrint(inheritedMd->name()),
inheritedMd->docLine(),qPrint(inheritedMd->docFile()));
docFile = g_memberDef->getDefFileName();
docLine = g_memberDef->getDefLine();
}
QCString alStr = argListToString(al);
warn_doc_error(docFile,docLine,
"argument '%s' of command @param "
"is not found in the argument list of %s%s%s%s",
qPrint(aName), qPrint(scope), qPrint(g_memberDef->name()),
qPrint(alStr), qPrint(inheritedFrom));
}
}
}
/*! Collects the return values found with \@retval command
* in a global list g_retvalsFound.
*/
static void checkRetvalName(const QCString &name)
{
if (!Config_getBool(WARN_IF_DOC_ERROR)) return;
if (g_memberDef==0 || name.isEmpty()) return; // not a member or no valid name
if (g_retvalsFound.find(name.str())!=g_retvalsFound.end())
{
warn_doc_error(g_memberDef->getDefFileName(),
g_memberDef->getDefLine(),
"%s",
("return value '" + name + "' of " +
QCString(g_memberDef->qualifiedName()) +
" has multiple documentation sections").data());
}
g_retvalsFound.insert(name.str());
}
/*! Checks if the parameters that have been specified using \@param are
* indeed all parameters and that a parameter does not have multiple
* \@param blocks.
* Must be called after checkArgumentName() has been called for each
* argument.
*/
static void checkUnOrMultipleDocumentedParams()
{
if (g_memberDef && g_hasParamCommand)
{
const ArgumentList &al=g_memberDef->isDocsForDefinition() ?
g_memberDef->argumentList() :
g_memberDef->declArgumentList();
SrcLangExt lang = g_memberDef->getLanguage();
if (!al.empty())
{
int notArgCnt=0;
for (const Argument &a: al)
{
int count = 0;
QCString argName = g_memberDef->isDefine() ? a.type : a.name;
if (lang==SrcLangExt_Fortran) argName = argName.lower();
argName=argName.stripWhiteSpace();
QCString aName = argName;
if (argName.right(3)=="...") argName=argName.left(argName.length()-3);
if (lang==SrcLangExt_Python && (argName=="self" || argName=="cls"))
{
// allow undocumented self / cls parameter for Python
}
else if (!argName.isEmpty() && g_paramsFound.find(argName.str())==g_paramsFound.end() && a.docs.isEmpty())
{
notArgCnt++;
}
else
{
for (const auto &par : g_paramsFound)
{
if (argName == par) count++;
}
}
if ((count > 1) && Config_getBool(WARN_IF_DOC_ERROR))
{
warn_doc_error(g_memberDef->getDefFileName(),
g_memberDef->getDefLine(),
"%s",
("argument '" + aName +
"' from the argument list of " +
QCString(g_memberDef->qualifiedName()) +
" has multiple @param documentation sections").data());
}
}
if ((notArgCnt>0) && Config_getBool(WARN_IF_INCOMPLETE_DOC))
{
bool first=TRUE;
QCString errMsg=
"The following parameter";
errMsg+= (notArgCnt>1 ? "s" : "");
errMsg+=" of "+
QCString(g_memberDef->qualifiedName()) +
QCString(argListToString(al)) +
(notArgCnt>1 ? " are" : " is") + " not documented:\n";
for (const Argument &a : al)
{
QCString argName = g_memberDef->isDefine() ? a.type : a.name;
if (lang==SrcLangExt_Fortran) argName = argName.lower();
argName=argName.stripWhiteSpace();
if (lang==SrcLangExt_Python && (argName=="self" || argName=="cls"))
{
// allow undocumented self / cls parameter for Python
}
else if (!argName.isEmpty() && g_paramsFound.find(argName.str())==g_paramsFound.end())
{
if (!first)
{
errMsg+="\n";
}
else
{
first=FALSE;
}
errMsg+=" parameter '"+argName+"'";
}
}
warn_incomplete_doc(g_memberDef->getDefFileName(),
g_memberDef->getDefLine(),
"%s",
substitute(errMsg,"%","%%").data());
}
}
}
}
//---------------------------------------------------------------------------
/*! Strips known html and tex extensions from \a text. */
static QCString stripKnownExtensions(const char *text)
{
QCString result=text;
if (result.right(4)==".tex")
{
result=result.left(result.length()-4);
}
else if (result.right(Doxygen::htmlFileExtension.length())==
QCString(Doxygen::htmlFileExtension))
{
result=result.left(result.length()-Doxygen::htmlFileExtension.length());
}
return result;
}
//---------------------------------------------------------------------------
/*! Returns TRUE iff node n is a child of a preformatted node */
static bool insidePRE(DocNode *n)
{
while (n)
{
if (n->isPreformatted()) return TRUE;
n=n->parent();
}
return FALSE;
}
//---------------------------------------------------------------------------
/*! Returns TRUE iff node n is a child of a html list item node */
static bool insideLI(DocNode *n)
{
while (n)
{
if (n->kind()==DocNode::Kind_HtmlListItem) return TRUE;
n=n->parent();
}
return FALSE;
}
//---------------------------------------------------------------------------
/*! Returns TRUE iff node n is a child of a unordered html list node */
static bool insideUL(DocNode *n)
{
while (n)
{
if (n->kind()==DocNode::Kind_HtmlList &&
((DocHtmlList *)n)->type()==DocHtmlList::Unordered) return TRUE;
n=n->parent();
}
return FALSE;
}
//---------------------------------------------------------------------------
/*! Returns TRUE iff node n is a child of a ordered html list node */
static bool insideOL(DocNode *n)
{
while (n)
{
if (n->kind()==DocNode::Kind_HtmlList &&
((DocHtmlList *)n)->type()==DocHtmlList::Ordered) return TRUE;
n=n->parent();
}
return FALSE;
}
//---------------------------------------------------------------------------
static bool insideTable(DocNode *n)
{
while (n)
{
if (n->kind()==DocNode::Kind_HtmlTable) return TRUE;
n=n->parent();
}
return FALSE;
}
//---------------------------------------------------------------------------
/*! Looks for a documentation block with name commandName in the current
* context (g_context). The resulting documentation string is
* put in pDoc, the definition in which the documentation was found is
* put in pDef.
* @retval TRUE if name was found.
* @retval FALSE if name was not found.
*/
static bool findDocsForMemberOrCompound(const char *commandName,
QCString *pDoc,
QCString *pBrief,
const Definition **pDef)
{
//printf("findDocsForMemberOrCompound(%s)\n",commandName);
*pDoc="";
*pBrief="";
*pDef=0;
QCString cmdArg=commandName;
if (cmdArg.isEmpty()) return FALSE;
const FileDef *fd=0;
const GroupDef *gd=0;
const PageDef *pd=0;
gd = Doxygen::groupLinkedMap->find(cmdArg);
if (gd) // group
{
*pDoc=gd->documentation();
*pBrief=gd->briefDescription();
*pDef=gd;
return TRUE;
}
pd = Doxygen::pageLinkedMap->find(cmdArg);
if (pd) // page
{
*pDoc=pd->documentation();
*pBrief=pd->briefDescription();
*pDef=pd;
return TRUE;
}
bool ambig;
fd = findFileDef(Doxygen::inputNameLinkedMap,cmdArg,ambig);
if (fd && !ambig) // file
{
*pDoc=fd->documentation();
*pBrief=fd->briefDescription();
*pDef=fd;
return TRUE;
}
// for symbols we need to normalize the separator, so A#B, or A\B, or A.B becomes A::B
cmdArg = substitute(cmdArg,"#","::");
cmdArg = substitute(cmdArg,"\\","::");
cmdArg = substitute(cmdArg,".","::");
int l=(int)cmdArg.length();
int funcStart=cmdArg.find('(');
if (funcStart==-1)
{
funcStart=l;
}
else
{
// Check for the case of operator() and the like.
// beware of scenarios like operator()((foo)bar)
int secondParen = cmdArg.find('(', funcStart+1);
int leftParen = cmdArg.find(')', funcStart+1);
if (leftParen!=-1 && secondParen!=-1)
{
if (leftParen<secondParen)
{
funcStart=secondParen;
}
}
}
QCString name=removeRedundantWhiteSpace(cmdArg.left(funcStart));
QCString args=cmdArg.right(l-funcStart);
// try if the link is to a member
const MemberDef *md=0;
const ClassDef *cd=0;
const NamespaceDef *nd=0;
bool found = getDefs(
g_context.find('.')==-1?g_context.data():"", // find('.') is a hack to detect files
name,
args.isEmpty()?0:args.data(),
md,cd,fd,nd,gd,FALSE,0,TRUE);
//printf("found=%d context=%s name=%s\n",found,g_context.data(),name.data());
if (found && md)
{
*pDoc=md->documentation();
*pBrief=md->briefDescription();
*pDef=md;
return TRUE;
}
int scopeOffset=(int)g_context.length();
do // for each scope
{
QCString fullName=cmdArg;
if (scopeOffset>0)
{
fullName.prepend(g_context.left(scopeOffset)+"::");
}
//printf("Trying fullName='%s'\n",fullName.data());
// try class, namespace, group, page, file reference
cd = Doxygen::classLinkedMap->find(fullName);
if (cd) // class
{
*pDoc=cd->documentation();
*pBrief=cd->briefDescription();
*pDef=cd;
return TRUE;
}
nd = Doxygen::namespaceLinkedMap->find(fullName);
if (nd) // namespace
{
*pDoc=nd->documentation();
*pBrief=nd->briefDescription();
*pDef=nd;
return TRUE;
}
if (scopeOffset==0)
{
scopeOffset=-1;
}
else
{
scopeOffset = g_context.findRev("::",scopeOffset-1);
if (scopeOffset==-1) scopeOffset=0;
}
} while (scopeOffset>=0);
return FALSE;
}
//---------------------------------------------------------------------------
inline void errorHandleDefaultToken(DocNode *parent,int tok,
DocNodeList &children,const char *txt)
{
const char *cmd_start = "\\";
switch (tok)
{
case TK_COMMAND_AT:
cmd_start = "@";
// fall through
case TK_COMMAND_BS:
children.push_back(std::make_unique<DocWord>(parent,TK_COMMAND_CHAR(tok) + g_token->name));
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"Illegal command %s as part of a %s",
qPrint(cmd_start + g_token->name),txt);
break;
case TK_SYMBOL:
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"Unsupported symbol %s found found as part of a %s",
qPrint(g_token->name), txt);
break;
default:
children.push_back(std::make_unique<DocWord>(parent,g_token->name));
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"Unexpected token %s found as part of a %s",
tokToString(tok), txt);
break;
}
}
//---------------------------------------------------------------------------
// forward declaration
static bool defaultHandleToken(DocNode *parent,int tok,
DocNodeList &children,bool
handleWord=TRUE);
static int handleStyleArgument(DocNode *parent,DocNodeList &children,
const QCString &cmdName)
{
DBG(("handleStyleArgument(%s)\n",qPrint(cmdName)));
QCString saveCmdName = cmdName;
int tok=doctokenizerYYlex();
if (tok!=TK_WHITESPACE)
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"expected whitespace after \\%s command",
qPrint(saveCmdName));
return tok;
}
while ((tok=doctokenizerYYlex()) &&
tok!=TK_WHITESPACE &&
tok!=TK_NEWPARA &&
tok!=TK_LISTITEM &&
tok!=TK_ENDLIST
)
{
static const reg::Ex specialChar(R"([.,|()\[\]:;?])");
if (tok==TK_WORD && g_token->name.length()==1 &&
reg::match(g_token->name.str(),specialChar))
{
// special character that ends the markup command
return tok;
}
if (!defaultHandleToken(parent,tok,children))
{
switch (tok)
{
case TK_HTMLTAG:
if (insideLI(parent) && Mappers::htmlTagMapper->map(g_token->name) && g_token->endTag)
{ // ignore </li> as the end of a style command
continue;
}
return tok;
break;
default:
errorHandleDefaultToken(parent,tok,children,"\\" + saveCmdName + " command");
break;
}
break;
}
}
DBG(("handleStyleArgument(%s) end tok=%x\n",qPrint(saveCmdName),tok));
return (tok==TK_NEWPARA || tok==TK_LISTITEM || tok==TK_ENDLIST
) ? tok : RetVal_OK;
}
/*! Called when a style change starts. For instance a \<b\> command is
* encountered.
*/
static void handleStyleEnter(DocNode *parent,DocNodeList &children,
DocStyleChange::Style s,const QCString &tagName,const HtmlAttribList *attribs)
{
DBG(("HandleStyleEnter\n"));
DocStyleChange *sc= new DocStyleChange(parent,(uint)g_nodeStack.size(),s,tagName,TRUE,attribs);
children.push_back(std::unique_ptr<DocStyleChange>(sc));
g_styleStack.push(sc);
}
/*! Called when a style change ends. For instance a \</b\> command is
* encountered.
*/
static void handleStyleLeave(DocNode *parent,DocNodeList &children,
DocStyleChange::Style s,const char *tagName)
{
DBG(("HandleStyleLeave\n"));
QCString tagNameLower = QCString(tagName).lower();
if (g_styleStack.empty() || // no style change
g_styleStack.top()->style()!=s || // wrong style change
g_styleStack.top()->tagName()!=tagNameLower || // wrong style change
g_styleStack.top()->position()!=g_nodeStack.size() // wrong position
)
{
if (g_styleStack.empty())
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"found </%s> tag without matching <%s>",
qPrint(tagName),qPrint(tagName));
}
else if (g_styleStack.top()->tagName()!=tagNameLower)
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"found </%s> tag while expecting </%s>",
qPrint(tagName),qPrint(g_styleStack.top()->tagName()));
}
else if (g_styleStack.top()->style()!=s)
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"found </%s> tag while expecting </%s>",
qPrint(tagName),qPrint(g_styleStack.top()->tagName()));
}
else
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"found </%s> at different nesting level (%zu) than expected (%d)",
qPrint(tagName),g_nodeStack.size(),g_styleStack.top()->position());
}
}
else // end the section
{
children.push_back(
std::make_unique<DocStyleChange>(
parent,(uint)g_nodeStack.size(),s,g_styleStack.top()->tagName(),FALSE));
g_styleStack.pop();
}
}
/*! Called at the end of a paragraph to close all open style changes
* (e.g. a <b> without a </b>). The closed styles are pushed onto a stack
* and entered again at the start of a new paragraph.
*/
static void handlePendingStyleCommands(DocNode *parent,DocNodeList &children)
{
if (!g_styleStack.empty())
{
const DocStyleChange *sc = g_styleStack.top();
while (sc && sc->position()>=g_nodeStack.size())
{ // there are unclosed style modifiers in the paragraph
children.push_back(std::make_unique<DocStyleChange>(parent,(uint)g_nodeStack.size(),sc->style(),sc->tagName(),FALSE));
g_initialStyleStack.push(sc);
g_styleStack.pop();
sc = !g_styleStack.empty() ? g_styleStack.top() : 0;
}
}
}
static void handleInitialStyleCommands(DocPara *parent,DocNodeList &children)
{
while (!g_initialStyleStack.empty())
{
const DocStyleChange *sc = g_initialStyleStack.top();
handleStyleEnter(parent,children,sc->style(),sc->tagName(),&sc->attribs());
g_initialStyleStack.pop();
}
}
static int handleAHref(DocNode *parent,DocNodeList &children,const HtmlAttribList &tagHtmlAttribs)
{
uint index=0;
int retval = RetVal_OK;
for (const auto &opt : tagHtmlAttribs)
{
if (opt.name=="name" || opt.name=="id") // <a name=label> or <a id=label> tag
{
if (!opt.value.isEmpty())
{
children.push_back(std::make_unique<DocAnchor>(parent,opt.value,TRUE));
break; // stop looking for other tag attribs
}
else
{
warn_doc_error(g_fileName,getDoctokinizerLineNr(),"found <a> tag with name option but without value!");
}
}
else if (opt.name=="href") // <a href=url>..</a> tag
{
// copy attributes
HtmlAttribList attrList = tagHtmlAttribs;
// and remove the href attribute
attrList.erase(attrList.begin()+index);