doxygen/src/definition.cpp at master · makelinux/doxygen · GitHub

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/******************************************************************************

* 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 <ctype.h>

#include <qregexp.h>

#include "md5.h"

#include <stdio.h>

#include <stdlib.h>

#include <assert.h>

#include "config.h"

#include "definition.h"

#include "doxygen.h"

#include "language.h"

#include "message.h"

#include "outputlist.h"

#include "code.h"

#include "util.h"

#include "groupdef.h"

#include "pagedef.h"

#include "section.h"

#include "htags.h"

#include "parserintf.h"

#include "marshal.h"

#include "debug.h"

#include "vhdldocgen.h"

#include "memberlist.h"

#include "namespacedef.h"

#include "filedef.h"

#include "dirdef.h"

#include "pagedef.h"

#include "bufstr.h"

#define START_MARKER 0x4445465B // DEF[

#define END_MARKER 0x4445465D // DEF]

//-----------------------------------------------------------------------------------------

/** Private data associated with a Symbol Definition object. */

class DefinitionImpl

{

public:

DefinitionImpl();

~DefinitionImpl();

void init(const char *df, const char *n);

SectionDict *sectionDict; // dictionary of all sections, not accessible

MemberSDict *sourceRefByDict;

MemberSDict *sourceRefsDict;

QList<ListItemInfo> *xrefListItems;

GroupList *partOfGroups;

DocInfo *details; // not exported

DocInfo *inbodyDocs; // not exported

BriefInfo *brief; // not exported

BodyInfo *body; // not exported

QCString briefSignatures;

QCString docSignatures;

QCString localName; // local (unqualified) name of the definition

// in the future m_name should become m_localName

QCString qualifiedName;

QCString ref; // reference to external documentation

bool hidden;

bool isArtificial;

Definition *outerScope; // not owner

// where the item was found

QCString defFileName;

QCString defFileExt;

SrcLangExt lang;

QCString id; // clang unique id

};

DefinitionImpl::DefinitionImpl()

: sectionDict(0), sourceRefByDict(0), sourceRefsDict(0),

xrefListItems(0), partOfGroups(0),

details(0), inbodyDocs(0), brief(0), body(0), hidden(FALSE), isArtificial(FALSE),

outerScope(0), lang(SrcLangExt_Unknown)

{

}

DefinitionImpl::~DefinitionImpl()

{

delete sectionDict;

delete sourceRefByDict;

delete sourceRefsDict;

delete partOfGroups;

delete xrefListItems;

delete brief;

delete details;

delete body;

delete inbodyDocs;

}

void DefinitionImpl::init(const char *df, const char *n)

{

defFileName = df;

int lastDot = defFileName.findRev('.');

if (lastDot!=-1)

{

defFileExt = defFileName.mid(lastDot);

}

QCString name = n;

if (name!="<globalScope>")

{

//extractNamespaceName(m_name,m_localName,ns);

localName=stripScope(n);

}

else

{

localName=n;

}

//printf("m_localName=%s\n",m_localName.data());

brief = 0;

details = 0;

body = 0;

inbodyDocs = 0;

sourceRefByDict = 0;

sourceRefsDict = 0;

sectionDict = 0,

outerScope = Doxygen::globalScope;

partOfGroups = 0;

xrefListItems = 0;

hidden = FALSE;

isArtificial = FALSE;

lang = SrcLangExt_Unknown;

}

//-----------------------------------------------------------------------------------------

static bool matchExcludedSymbols(const char *name)

{

static QStrList &exclSyms = Config_getList(EXCLUDE_SYMBOLS);

if (exclSyms.count()==0) return FALSE; // nothing specified

const char *pat = exclSyms.first();

QCString symName = name;

while (pat)

{

QCString pattern = pat;

bool forceStart=FALSE;

bool forceEnd=FALSE;

if (pattern.at(0)=='^')

pattern=pattern.mid(1),forceStart=TRUE;

if (pattern.at(pattern.length()-1)=='$')

pattern=pattern.left(pattern.length()-1),forceEnd=TRUE;

if (pattern.find('*')!=-1) // wildcard mode

{

QRegExp re(substitute(pattern,"*",".*"),TRUE);

int i,pl;

i = re.match(symName,0,&pl);

//printf(" %d = re.match(%s) pattern=%s\n",i,symName.data(),pattern.data());

if (i!=-1) // wildcard match

{

int sl=symName.length();

// check if it is a whole word match

if ((i==0 || pattern.at(0)=='*' || (!isId(symName.at(i-1)) && !forceStart)) &&

(i+pl==sl || pattern.at(i+pl)=='*' || (!isId(symName.at(i+pl)) && !forceEnd))

)

{

//printf("--> name=%s pattern=%s match at %d\n",symName.data(),pattern.data(),i);

return TRUE;

}

else if (!pattern.isEmpty()) // match words

{

int i = symName.find(pattern);

if (i!=-1) // we have a match!

{

int pl=pattern.length();

int sl=symName.length();

// check if it is a whole word match

if ((i==0 || (!isId(symName.at(i-1)) && !forceStart)) &&

(i+pl==sl || (!isId(symName.at(i+pl)) && !forceEnd))

)

{

//printf("--> name=%s pattern=%s match at %d\n",symName.data(),pattern.data(),i);

return TRUE;

}

pat = exclSyms.next();

}

//printf("--> name=%s: no match\n",name);

return FALSE;

}

void Definition::addToMap(const char *name,Definition *d)

{

bool vhdlOpt = Config_getBool(OPTIMIZE_OUTPUT_VHDL);

QCString symbolName = name;

int index=computeQualifiedIndex(symbolName);

if (!vhdlOpt && index!=-1) symbolName=symbolName.mid(index+2);

if (!symbolName.isEmpty())

{

//printf("******* adding symbol `%s' (%p)\n",symbolName.data(),d);

DefinitionIntf *di=Doxygen::symbolMap->find(symbolName);

//printf(" addToMap(%p): looking for symbol %s: %p\n",d,symbolName.data(),di);

if (di==0) // new Symbol

{

//printf(" new symbol!\n");

Doxygen::symbolMap->insert(symbolName,d);

}

else // existing symbol

{

//printf(" existing symbol: ");

if (di->definitionType()==DefinitionIntf::TypeSymbolList) // already multiple symbols

{

//printf("adding to exiting list\n");

DefinitionList *dl = (DefinitionList*)di;

dl->append(d);

}

else // going from one to two symbols

{

Doxygen::symbolMap->take(symbolName);

DefinitionList *dl = new DefinitionList;

//printf("replacing symbol by list %p with elements %p and %p\n",dl,di,d);

dl->append((Definition*)di);

dl->append(d);

Doxygen::symbolMap->insert(symbolName,dl);

}

// auto resize if needed

static int sizeIndex=9;

if (Doxygen::symbolMap->size()>SDict_primes[sizeIndex])

{

Doxygen::symbolMap->resize(SDict_primes[++sizeIndex]);

}

d->_setSymbolName(symbolName);

}

void Definition::removeFromMap(Definition *d)

{

QCString symbolName = d->m_symbolName;

if (!symbolName.isEmpty())

{

//printf("******* removing symbol `%s' (%p)\n",symbolName.data(),d);

DefinitionIntf *di=Doxygen::symbolMap->find(symbolName);

if (di)

{

if (di!=d) // symbolName not unique

{

//printf(" removing from list: %p!\n",di);

DefinitionList *dl = (DefinitionList*)di;

bool b = dl->removeRef(d);

ASSERT(b==TRUE);

if (dl->isEmpty())

{

Doxygen::symbolMap->take(symbolName);

}

else // symbolName unique

{

//printf(" removing symbol %p\n",di);

Doxygen::symbolMap->take(symbolName);

}

Definition::Definition(const char *df,int dl,int dc,

const char *name,const char *b,

const char *d,bool isSymbol) : m_cookie(0)

{

m_name = name;

m_defLine = dl;

m_defColumn = dc;

m_impl = new DefinitionImpl;

m_impl->init(df,name);

m_isSymbol = isSymbol;

if (isSymbol) addToMap(name,this);

_setBriefDescription(b,df,dl);

_setDocumentation(d,df,dl,TRUE,FALSE);

if (matchExcludedSymbols(name))

{

m_impl->hidden = TRUE;

}

Definition::Definition(const Definition &d) : DefinitionIntf(), m_cookie(0)

{

m_name = d.m_name;

m_defLine = d.m_defLine;

m_defColumn = d.m_defColumn;

m_impl = new DefinitionImpl;

*m_impl = *d.m_impl;

m_impl->sectionDict = 0;

m_impl->sourceRefByDict = 0;

m_impl->sourceRefsDict = 0;

m_impl->partOfGroups = 0;

m_impl->xrefListItems = 0;

m_impl->brief = 0;

m_impl->details = 0;

m_impl->body = 0;

m_impl->inbodyDocs = 0;

if (d.m_impl->sectionDict)

{

m_impl->sectionDict = new SectionDict(17);

SDict<SectionInfo>::Iterator it(*d.m_impl->sectionDict);

SectionInfo *si;

for (it.toFirst();(si=it.current());++it)

{

m_impl->sectionDict->append(si->label,si);

}

if (d.m_impl->sourceRefByDict)

{

m_impl->sourceRefByDict = new MemberSDict;

MemberSDict::IteratorDict it(*d.m_impl->sourceRefByDict);

MemberDef *md;

for (it.toFirst();(md=it.current());++it)

{

m_impl->sourceRefByDict->append(it.currentKey(),md);

}

if (d.m_impl->sourceRefsDict)

{

m_impl->sourceRefsDict = new MemberSDict;

MemberSDict::IteratorDict it(*d.m_impl->sourceRefsDict);

MemberDef *md;

for (it.toFirst();(md=it.current());++it)

{

m_impl->sourceRefsDict->append(it.currentKey(),md);

}

if (d.m_impl->partOfGroups)

{

GroupListIterator it(*d.m_impl->partOfGroups);

GroupDef *gd;

for (it.toFirst();(gd=it.current());++it)

{

makePartOfGroup(gd);

}

if (d.m_impl->xrefListItems)

{

setRefItems(d.m_impl->xrefListItems);

}

if (d.m_impl->brief)

{

m_impl->brief = new BriefInfo(*d.m_impl->brief);

}

if (d.m_impl->details)

{

m_impl->details = new DocInfo(*d.m_impl->details);

}

if (d.m_impl->body)

{

m_impl->body = new BodyInfo(*d.m_impl->body);

}

if (d.m_impl->inbodyDocs)

{

m_impl->inbodyDocs = new DocInfo(*d.m_impl->inbodyDocs);

}

m_isSymbol = d.m_isSymbol;

if (m_isSymbol) addToMap(m_name,this);

}

Definition::~Definition()

{

if (m_isSymbol)

{

removeFromMap(this);

}

if (m_impl)

{

delete m_impl;

m_impl=0;

}

delete m_cookie;

m_cookie=0;

}

void Definition::setName(const char *name)

{

if (name==0) return;

m_name = name;

}

void Definition::setId(const char *id)

{

if (id==0) return;

m_impl->id = id;

if (Doxygen::clangUsrMap)

{

//printf("Definition::setId '%s'->'%s'\n",id,m_name.data());

Doxygen::clangUsrMap->insert(id,this);

}

QCString Definition::id() const

{

return m_impl->id;

}

void Definition::addSectionsToDefinition(QList<SectionInfo> *anchorList)

{

if (!anchorList) return;

//printf("%s: addSectionsToDefinition(%d)\n",name().data(),anchorList->count());

QListIterator<SectionInfo> it(*anchorList);

SectionInfo *si;

for (;(si=it.current());++it)

{

//printf("Add section `%s' to definition `%s'\n",

// si->label.data(),name().data());

SectionInfo *gsi=Doxygen::sectionDict->find(si->label);

//printf("===== label=%s gsi=%p\n",si->label.data(),gsi);

if (gsi==0)

{

gsi = new SectionInfo(*si);

Doxygen::sectionDict->append(si->label,gsi);

}

if (m_impl->sectionDict==0)

{

m_impl->sectionDict = new SectionDict(17);

}

if (m_impl->sectionDict->find(gsi->label)==0)

{

m_impl->sectionDict->append(gsi->label,gsi);

gsi->definition = this;

}

bool Definition::hasSections() const

{

//printf("Definition::hasSections(%s) #sections=%d\n",name().data(),

// m_impl->sectionDict ? m_impl->sectionDict->count() : 0);

if (m_impl->sectionDict==0) return FALSE;

SDict<SectionInfo>::Iterator li(*m_impl->sectionDict);

SectionInfo *si;

for (li.toFirst();(si=li.current());++li)

{

if (si->type==SectionInfo::Section ||

si->type==SectionInfo::Subsection ||

si->type==SectionInfo::Subsubsection ||

si->type==SectionInfo::Paragraph)

{

return TRUE;

}

return FALSE;

}

void Definition::addSectionsToIndex()

{

if (m_impl->sectionDict==0) return;

//printf("Definition::addSectionsToIndex()\n");

SDict<SectionInfo>::Iterator li(*m_impl->sectionDict);

SectionInfo *si;

int level=1;

for (li.toFirst();(si=li.current());++li)

{

if (si->type==SectionInfo::Section ||

si->type==SectionInfo::Subsection ||

si->type==SectionInfo::Subsubsection ||

si->type==SectionInfo::Paragraph)

{

//printf(" level=%d title=%s\n",level,si->title.data());

int nextLevel = (int)si->type;

int i;

if (nextLevel>level)

{

for (i=level;i<nextLevel;i++)

{

Doxygen::indexList->incContentsDepth();

}

else if (nextLevel<level)

{

for (i=nextLevel;i<level;i++)

{

Doxygen::indexList->decContentsDepth();

}

QCString title = si->title;

if (title.isEmpty()) title = si->label;

// determine if there is a next level inside this item

++li;

bool isDir = ((li.current()) ? (int)(li.current()->type > nextLevel):FALSE);

--li;

Doxygen::indexList->addContentsItem(isDir,title,

getReference(),

getOutputFileBase(),

si->label,

FALSE,

TRUE);

level = nextLevel;

}

while (level>1)

{

Doxygen::indexList->decContentsDepth();

level--;

}

void Definition::writeDocAnchorsToTagFile(FTextStream &tagFile)

{

if (m_impl->sectionDict)

{

//printf("%s: writeDocAnchorsToTagFile(%d)\n",name().data(),m_impl->sectionDict->count());

SDict<SectionInfo>::Iterator sdi(*m_impl->sectionDict);

SectionInfo *si;

for (;(si=sdi.current());++sdi)

{

if (!si->generated && si->ref.isEmpty())

{

//printf("write an entry!\n");

if (definitionType()==TypeMember) tagFile << " ";

tagFile << " <docanchor file=\"" << si->fileName << "\"";

if (!si->title.isEmpty())

{

tagFile << " title=\"" << convertToXML(si->title) << "\"";

}

tagFile << ">" << si->label << "</docanchor>" << endl;

}

bool Definition::_docsAlreadyAdded(const QCString &doc,QCString &sigList)

{

uchar md5_sig[16];

QCString sigStr(33);

// to avoid mismatches due to differences in indenting, we first remove

// double whitespaces...

QCString docStr = doc.simplifyWhiteSpace();

MD5Buffer((const unsigned char *)docStr.data(),docStr.length(),md5_sig);

MD5SigToString(md5_sig,sigStr.rawData(),33);

//printf("%s:_docsAlreadyAdded doc='%s' sig='%s' docSigs='%s'\n",

// name().data(),doc.data(),sigStr.data(),sigList.data());

if (sigList.find(sigStr)==-1) // new docs, add signature to prevent re-adding it

{

sigList+=":"+sigStr;

return FALSE;

}

else

{

return TRUE;

}

void Definition::_setDocumentation(const char *d,const char *docFile,int docLine,

bool stripWhiteSpace,bool atTop)

{

//printf("%s::setDocumentation(%s,%s,%d,%d)\n",name().data(),d,docFile,docLine,stripWhiteSpace);

if (d==0) return;

QCString doc = d;

if (stripWhiteSpace)

{

doc = stripLeadingAndTrailingEmptyLines(doc,docLine);

}

else // don't strip whitespace

{

doc=d;

}

if (!_docsAlreadyAdded(doc,m_impl->docSignatures))

{

//printf("setting docs for %s: `%s'\n",name().data(),m_doc.data());

if (m_impl->details==0)

{

m_impl->details = new DocInfo;

}

if (m_impl->details->doc.isEmpty()) // fresh detailed description

{

m_impl->details->doc = doc;

}

else if (atTop) // another detailed description, append it to the start

{

m_impl->details->doc = doc+"\n\n"+m_impl->details->doc;

}

else // another detailed description, append it to the end

{

m_impl->details->doc += "\n\n"+doc;

}

if (docLine!=-1) // store location if valid

{

m_impl->details->file = docFile;

m_impl->details->line = docLine;

}

else

{

m_impl->details->file = docFile;

m_impl->details->line = 1;

}

void Definition::setDocumentation(const char *d,const char *docFile,int docLine,bool stripWhiteSpace)

{

if (d==0) return;

_setDocumentation(d,docFile,docLine,stripWhiteSpace,FALSE);

}

#define uni_isupper(c) (QChar(c).category()==QChar::Letter_Uppercase)

// do a UTF-8 aware search for the last real character and return TRUE

// if that is a multibyte one.

static bool lastCharIsMultibyte(const QCString &s)

{

int l = s.length();

int p = 0;

int pp = -1;

while ((p=nextUtf8CharPosition(s,l,p))<l) pp=p;

if (pp==-1 || ((uchar)s[pp])<0x80) return FALSE;

return TRUE;

}

void Definition::_setBriefDescription(const char *b,const char *briefFile,int briefLine)

{

static QCString outputLanguage = Config_getEnum(OUTPUT_LANGUAGE);

static bool needsDot = outputLanguage!="Japanese" &&

outputLanguage!="Chinese" &&

outputLanguage!="Korean";

QCString brief = b;

brief = brief.stripWhiteSpace();

if (brief.isEmpty()) return;

int bl = brief.length();

if (bl>0 && needsDot) // add punctuation if needed

{

int c = brief.at(bl-1);

switch(c)

{

case '.': case '!': case '?': case '>': case ':': case ')': break;

default:

if (uni_isupper(brief.at(0)) && !lastCharIsMultibyte(brief)) brief+='.';

break;

}

if (!_docsAlreadyAdded(brief,m_impl->briefSignatures))

{

if (m_impl->brief && !m_impl->brief->doc.isEmpty())

{

//printf("adding to details\n");

_setDocumentation(brief,briefFile,briefLine,FALSE,TRUE);

}

else

{

//fprintf(stderr,"Definition::setBriefDescription(%s,%s,%d)\n",b,briefFile,briefLine);

if (m_impl->brief==0)

{

m_impl->brief = new BriefInfo;

}

m_impl->brief->doc=brief;

if (briefLine!=-1)

{

m_impl->brief->file = briefFile;

m_impl->brief->line = briefLine;

}

else

{

m_impl->brief->file = briefFile;

m_impl->brief->line = 1;

}

else

{

//printf("do nothing!\n");

}

void Definition::setBriefDescription(const char *b,const char *briefFile,int briefLine)

{

if (b==0) return;

_setBriefDescription(b,briefFile,briefLine);

}

void Definition::_setInbodyDocumentation(const char *doc,const char *inbodyFile,int inbodyLine)

{

if (m_impl->inbodyDocs==0)

{

m_impl->inbodyDocs = new DocInfo;

}

if (m_impl->inbodyDocs->doc.isEmpty()) // fresh inbody docs

{

m_impl->inbodyDocs->doc = doc;

m_impl->inbodyDocs->file = inbodyFile;

m_impl->inbodyDocs->line = inbodyLine;

}

else // another inbody documentation fragment, append this to the end

{

m_impl->inbodyDocs->doc += QCString("\n\n")+doc;

}

void Definition::setInbodyDocumentation(const char *d,const char *inbodyFile,int inbodyLine)

{

if (d==0) return;

_setInbodyDocumentation(d,inbodyFile,inbodyLine);

}

//---------------------------------------

struct FilterCacheItem

{

portable_off_t filePos;

uint fileSize;

};

/*! Cache for storing the result of filtering a file */

class FilterCache

{

public:

FilterCache() : m_endPos(0) { m_cache.setAutoDelete(TRUE); }

bool getFileContents(const QCString &fileName,BufStr &str)

{

static bool filterSourceFiles = Config_getBool(FILTER_SOURCE_FILES);

QCString filter = getFileFilter(fileName,TRUE);

bool usePipe = !filter.isEmpty() && filterSourceFiles;

FILE *f=0;

const int blockSize = 4096;

char buf[blockSize];

FilterCacheItem *item=0;

if (usePipe && (item = m_cache.find(fileName))) // cache hit: reuse stored result

{

//printf("getFileContents(%s): cache hit\n",qPrint(fileName));

// file already processed, get the results after filtering from the tmp file

Debug::print(Debug::FilterOutput,0,"Reusing filter result for %s from %s at offset=%d size=%d\n",

qPrint(fileName),qPrint(Doxygen::filterDBFileName),(int)item->filePos,(int)item->fileSize);

f = portable_fopen(Doxygen::filterDBFileName,"rb");

if (f)

{

bool success=TRUE;

str.resize(item->fileSize+1);

if (portable_fseek(f,item->filePos,SEEK_SET)==-1)

{

err("Failed to seek to position %d in filter database file %s\n",(int)item->filePos,qPrint(Doxygen::filterDBFileName));

success=FALSE;

}

if (success)

{

int numBytes = fread(str.data(),1,item->fileSize,f);

if (numBytes!=item->fileSize)

{

err("Failed to read %d bytes from position %d in filter database file %s: got %d bytes\n",

(int)item->fileSize,(int)item->filePos,qPrint(Doxygen::filterDBFileName),numBytes);

success=FALSE;

}

str.addChar('\0');

fclose(f);

return success;

}

else

{

err("Failed to open filter database file %s\n",qPrint(Doxygen::filterDBFileName));

return FALSE;

}

else if (usePipe) // cache miss: filter active but file not previously processed

{

//printf("getFileContents(%s): cache miss\n",qPrint(fileName));

// filter file

QCString cmd=filter+" \""+fileName+"\"";

Debug::print(Debug::ExtCmd,0,"Executing popen(`%s`)\n",qPrint(cmd));

f = portable_popen(cmd,"r");

FILE *bf = portable_fopen(Doxygen::filterDBFileName,"a+b");

FilterCacheItem *item = new FilterCacheItem;

item->filePos = m_endPos;

if (bf==0)

{

// handle error

err("Error opening filter database file %s\n",qPrint(Doxygen::filterDBFileName));

str.addChar('\0');

delete item;

portable_pclose(f);

return FALSE;

}

// append the filtered output to the database file

int size=0;

while (!feof(f))

{

int bytesRead = fread(buf,1,blockSize,f);

int bytesWritten = fwrite(buf,1,bytesRead,bf);

if (bytesRead!=bytesWritten)

{

// handle error

err("Failed to write to filter database %s. Wrote %d out of %d bytes\n",

qPrint(Doxygen::filterDBFileName),bytesWritten,bytesRead);

str.addChar('\0');

delete item;

portable_pclose(f);

fclose(bf);

return FALSE;

}

size+=bytesWritten;

str.addArray(buf,bytesWritten);

}

str.addChar('\0');

item->fileSize = size;

// add location entry to the dictionary

m_cache.append(fileName,item);

Debug::print(Debug::FilterOutput,0,"Storing new filter result for %s in %s at offset=%d size=%d\n",

qPrint(fileName),qPrint(Doxygen::filterDBFileName),(int)item->filePos,(int)item->fileSize);

// update end of file position

m_endPos += size;

portable_pclose(f);

fclose(bf);

}

else // no filtering

{

// normal file

//printf("getFileContents(%s): no filter\n",qPrint(fileName));

f = portable_fopen(fileName,"r");

while (!feof(f))

{

int bytesRead = fread(buf,1,blockSize,f);

str.addArray(buf,bytesRead);

}

str.addChar('\0');

fclose(f);

}

return TRUE;

}

private:

SDict<FilterCacheItem> m_cache;

portable_off_t m_endPos;

};

static FilterCache g_filterCache;

//-----------------------------------------

/*! Reads a fragment of code from file \a fileName starting at

* line \a startLine and ending at line \a endLine (inclusive). The fragment is

* stored in \a result. If FALSE is returned the code fragment could not be

* found.

* The file is scanned for a opening bracket ('{') from \a startLine onward

* The line actually containing the bracket is returned via startLine.

* The file is scanned for a closing bracket ('}') from \a endLine backward.

* The line actually containing the bracket is returned via endLine.

* Note that for VHDL code the bracket search is not done.

bool readCodeFragment(const char *fileName,

int &startLine,int &endLine,QCString &result)

{

//printf("readCodeFragment(%s,startLine=%d,endLine=%d)\n",fileName,startLine,endLine);

static bool filterSourceFiles = Config_getBool(FILTER_SOURCE_FILES);

QCString filter = getFileFilter(fileName,TRUE);

bool usePipe = !filter.isEmpty() && filterSourceFiles;

int tabSize = Config_getInt(TAB_SIZE);

SrcLangExt lang = getLanguageFromFileName(fileName);

const int blockSize = 4096;

BufStr str(blockSize);

g_filterCache.getFileContents(fileName,str);

bool found = lang==SrcLangExt_VHDL ||

lang==SrcLangExt_Tcl ||

lang==SrcLangExt_Python ||

lang==SrcLangExt_Fortran;

// for VHDL, TCL, Python, and Fortran no bracket search is possible

char *p=str.data();

if (p)

{

int c=0;

int col=0;

int lineNr=1;

// skip until the startLine has reached

while (lineNr<startLine && *p)

{

while ((c=*p++)!='\n' && c!=0) /* skip */;

lineNr++;

if (found && c == '\n') c = '\0';

}

if (*p)

{

// skip until the opening bracket or lonely : is found

char cn=0;

while (lineNr<=endLine && *p && !found)

{

int pc=0;

while ((c=*p++)!='{' && c!=':' && c!=0)

{

//printf("parsing char `%c'\n",c);

if (c=='\n')

{

lineNr++,col=0;

}

else if (c=='\t')

{

col+=tabSize - (col%tabSize);

}

else if (pc=='/' && c=='/') // skip single line comment

{

while ((c=*p++)!='\n' && c!=0) pc=c;

if (c=='\n') lineNr++,col=0;

}

else if (pc=='/' && c=='*') // skip C style comment

{

while (((c=*p++)!='/' || pc!='*') && c!=0)

{

if (c=='\n') lineNr++,col=0;

pc=c;

}

else

{

col++;

}

pc = c;

}

if (c==':')

{

cn=*p++;

if (cn!=':') found=TRUE;

}

else if (c=='{')

{

found=TRUE;

}

//printf(" -> readCodeFragment(%s,%d,%d) lineNr=%d\n",fileName,startLine,endLine,lineNr);

if (found)

{

// For code with more than one line,

// fill the line with spaces until we are at the right column

// so that the opening brace lines up with the closing brace

if (endLine!=startLine)

{

QCString spaces;

spaces.fill(' ',col);

result+=spaces;

}

// copy until end of line

if (c) result+=c;

startLine=lineNr;

if (c==':')

{

result+=cn;

if (cn=='\n') lineNr++;

}

char lineStr[blockSize];

{

//printf("reading line %d in range %d-%d\n",lineNr,startLine,endLine);

int size_read;

{

// read up to maxLineLength-1 bytes, the last byte being zero

int i=0;

while ((c=*p++) && i<blockSize-1)

{

lineStr[i++]=c;

if (c=='\n') break; // stop at end of the line

}

lineStr[i]=0;

size_read=i;

result+=lineStr; // append line to the output

} while (size_read == (blockSize-1)); // append more if line does not fit in buffer

lineNr++;

} while (lineNr<=endLine && *p);

// strip stuff after closing bracket

int newLineIndex = result.findRev('\n');

int braceIndex = result.findRev('}');

if (braceIndex > newLineIndex)

{

result.truncate(braceIndex+1);

}

endLine=lineNr-1;

}

if (usePipe)

{

Debug::print(Debug::FilterOutput, 0, "Filter output\n");

Debug::print(Debug::FilterOutput,0,"-------------\n%s\n-------------\n",qPrint(result));

}

result = transcodeCharacterStringToUTF8(result);

if (!result.isEmpty() && result.at(result.length()-1)!='\n') result += "\n";

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doxygen/src/definition.cpp at master · makelinux/doxygen · GitHub

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