qcstring.cpp File Reference

#include "qcstring.h"
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>

Include dependency graph for qcstring.cpp:

Go to the source code of this file.

Functions
char	toLowerChar (char c)
static bool	ok_in_base (char c, int base)
void *	qmemmove (void *dst, const void *src, size_t len)
char *	qstrdup (const char *str)
void	qstrfree (const char *str)
	Frees the memory allocated using qstrdup().
char *	qstrncpy (char *dst, const char *src, size_t len)
int	qstricmp (const char *s1, const char *s2)
int	qstrnicmp (const char *s1, const char *s2, size_t len)
QCString	substitute (const QCString &s, const QCString &src, const QCString &dst)
	substitute all occurrences of src in s by dst
QCString	substitute (const QCString &s, const QCString &src, const QCString &dst, int skip_seq)
	substitute all occurrences of src in s by dst, but skip each consecutive sequence of src where the number consecutive src matches skip_seq; if skip_seq is negative, skip any number of consecutive src

Function Documentation

ok_in_base()

bool ok_in_base ( char c, int base )

static

Definition at line 224 of file qcstring.cpp.

{
    if ( base <= 10 )
        return c>='0' && c<='9' && (c-'0') < base;
    else
        return (c>='0' && c<='9') ||
               (c >= 'a' && c < char('a'+base-10)) ||
               (c >= 'A' && c < char('A'+base-10));
}

Referenced by QCString::toLong(), QCString::toUInt64(), and QCString::toULong().

qmemmove()

void * qmemmove	(	void *	dst,
		const void *	src,
		size_t	len )

Definition at line 487 of file qcstring.cpp.

{
  if ( dst > src )
  {
    char *d = static_cast<char *>(dst) + len - 1;
    const char *s = static_cast<const char *>(src) + len - 1;
    while ( len-- )
    {
      *d-- = *s--;
    }
  }
  else if ( dst < src )
  {
    char *d = static_cast<char *>(dst);
    const char *s = static_cast<const char *>(src);
    while ( len-- )
    {
      *d++ = *s++;
    }
  }
  return dst;
}

qstrdup()

char * qstrdup

(

const char *

s

)

Returns a copy of a string s. Note that memory is passed to the caller, use qstrfree() to release.

Definition at line 510 of file qcstring.cpp.

{
  if ( !str ) return nullptr;
  char *dst = new char[qstrlen(str)+1];
  return strcpy( dst, str );
}

References qstrlen().

qstrfree()

void qstrfree

(

const char *

str

)

Frees the memory allocated using qstrdup().

Definition at line 517 of file qcstring.cpp.

{
  delete [](str);
}

qstricmp()

int qstricmp	(	const char *	s1,
		const char *	s2 )

Definition at line 530 of file qcstring.cpp.

{
  if ( !s1 || !s2 )
  {
    return s1 == s2 ? 0 : static_cast<int>(s2 - s1);
  }
  int res = 0;
  char c = 0;
  for ( ; !(res = ((c=toLowerChar(*s1)) - toLowerChar(*s2))); s1++, s2++ )
  {
    if ( !c ) // strings are equal
    {
      break;
    }
  }
  return res;
}

References toLowerChar().

Referenced by compareString(), VhdlDocGen::findAllArchitectures(), DocGroup::findExistingGroup(), FlowChart::findLabel(), VhdlDocGen::findVhdlClass(), mainPageHasOwnTitle(), qstricmp(), qstricmp(), qstricmp(), qstricmp_sort(), readConfiguration(), stripFromPath(), transcodeCharacterBuffer(), transcodeCharacterStringToUTF8(), FlowChart::writeFlowLinks(), ClassDefImpl::writeIncludeFilesForSlice(), writeIndex(), and VhdlDocGen::writeProcedureProto().

qstrncpy()

char * qstrncpy	(	char *	dst,
		const char *	src,
		size_t	len )

Definition at line 522 of file qcstring.cpp.

{
  if ( !src ) return nullptr;
  strncpy( dst, src, len );
  if ( len > 0 ) dst[len-1] = '\0';
  return dst;
}

qstrnicmp()

int qstrnicmp	(	const char *	s1,
		const char *	s2,
		size_t	len )

Definition at line 548 of file qcstring.cpp.

{
  if ( !s1 || !s2 )
  {
    return static_cast<int>(s2 - s1);
  }
  for ( ; len--; s1++, s2++ )
  {
    char c = toLowerChar(*s1);
    int res = c-toLowerChar(*s2);
    if ( res!=0 ) // strings are not equal
    {
      return res;
    }
    if ( c==0 ) // strings are equal
    {
      break;
    }
  }
  return 0;
}

References toLowerChar().

Referenced by QCString::contains(), QCString::find(), QCString::findRev(), qstrnicmp(), qstrnicmp(), and qstrnicmp().

substitute() [1/2]

QCString substitute	(	const QCString &	s,
		const QCString &	src,
		const QCString &	dst )

substitute all occurrences of src in s by dst

Definition at line 571 of file qcstring.cpp.

{
  if (s.isEmpty() || src.isEmpty()) return s;
  const char *q = nullptr, *p = nullptr;
  size_t srcLen = src.length();
  size_t dstLen = dst.length();
  size_t resLen = 0;
  if (srcLen!=dstLen)
  {
    int count = 0;
    for (p = s.data(); (q=strstr(p,src.data()))!=nullptr; p=q+srcLen) count++;
    resLen = s.length()+count*(dstLen-srcLen);
  }
  else // result has same size as s
  {
    resLen = s.length();
  }
  QCString result(resLen, QCString::ExplicitSize);
  char *r = result.rawData();
  for (p = s.data(); (q=strstr(p,src.data()))!=nullptr; p=q+srcLen)
  {
    int l = static_cast<int>(q-p);
    memcpy(r,p,l);
    r+=l;
 
    if (dstLen>0) memcpy(r,dst.data(),dstLen);
    r+=dstLen;
  }
  if (r)
  {
    qstrcpy(r,p);
  }
  //printf("substitute(%s,%s,%s)->%s\n",s,src,dst,result.data());
  return result;
}

References QCString::data(), QCString::ExplicitSize, QCString::isEmpty(), QCString::length(), qstrcpy(), and QCString::rawData().

Referenced by abbreviate(), addEnumValuesToEnums(), FlowChart::addFlowChart(), addFrom(), addGlobalFunction(), HtmlHelpIndex::addItem(), MemberDefImpl::addListReference(), addMemberFunction(), addMethodToClass(), addModule(), addPageToContext(), Markdown::Private::addStrEscapeUtf8Nbsp(), addVariable(), addVariableToClass(), buildListOfUsingDecls(), buildNamespaceList(), convertFileId2Var(), Portable::correctPath(), MemberDefImpl::displayDefinition(), findDirDocumentation(), DocParser::findDocsForMemberOrCompound(), findGroupScope(), findMember(), findUsingDeclarations(), findUsingDirectives(), fixSpaces(), format_warn(), generateClassOrGlobalLink(), generateClassOrGlobalLink(), generateJSNavTree(), RefList::generatePage(), VhdlDocGen::getClassName(), DocPara::handleStartCode(), HtmlGenerator::init(), linkifyText(), linkToText(), makeDisplayName(), makeDisplayName(), matchExcludedSymbols(), Markdown::process(), Markdown::Private::processLink(), processTagLessClasses(), resolveRef(), DotFilePatcher::run(), SearchIndex::setCurrentDoc(), stripIndentation(), substitute(), substituteHtmlKeywords(), substituteLatexKeywords(), Portable::system(), ConfigImpl::takeStartComment(), ConfigImpl::takeStoreRepl(), ConfigImpl::takeUserComment(), unescapeCRef(), validatingParseDoc(), warn_line(), MemberDefImpl::warnIfUndocumented(), writeAlphabeticalClassList(), MemberDefImpl::writeDeclaration(), MemberList::writeDeclarations(), writeDefArgumentList(), writeDefaultLayoutFile(), MemberDefImpl::writeDocumentation(), writeJavaScriptSearchIndex(), HtmlGenerator::writeNavigationPath(), PlantumlManager::writePlantUMLSource(), HtmlGenerator::writeSearchData(), HtmlGenerator::writeSearchPage(), and VhdlDocGen::writeVHDLTypeDocumentation().

substitute() [2/2]

QCString substitute	(	const QCString &	s,
		const QCString &	src,
		const QCString &	dst,
		int	skip_seq )

substitute all occurrences of src in s by dst, but skip each consecutive sequence of src where the number consecutive src matches skip_seq; if skip_seq is negative, skip any number of consecutive src

Definition at line 612 of file qcstring.cpp.

{
  if (s.isEmpty() || src.isEmpty()) return s;
  const char *p = nullptr, *q = nullptr;
  size_t srcLen = src.length();
  size_t dstLen = dst.length();
  size_t resLen = 0;
  if (srcLen!=dstLen)
  {
    int count = 0;
    for (p=s.data(); (q=strstr(p,src.data()))!=nullptr; p=q+srcLen) count++;
    resLen = s.length()+count*(dstLen-srcLen);
  }
  else // result has same size as s
  {
    resLen = s.length();
  }
  QCString result(resLen, QCString::ExplicitSize);
  char *r = result.rawData();
  for (p = s.data(); (q=strstr(p,src.data()))!=nullptr; p=q+srcLen)
  {
    // search a consecutive sequence of src
    int seq = 0, skip = 0;
    if (skip_seq)
    {
      for (const char *n=q+srcLen; qstrncmp(n,src.data(),srcLen)==0; seq=1+skip, n+=srcLen)
        ++skip; // number of consecutive src after the current one
 
      // verify the allowed number of consecutive src to skip
      if (skip_seq > 0 && skip_seq != seq)
        seq = skip = 0;
    }
 
    // skip a consecutive sequence of src when necessary
    int l = static_cast<int>((q + seq * srcLen)-p);
    memcpy(r,p,l);
    r+=l;
 
    if (skip)
    {
      // skip only the consecutive src found after the current one
      q += skip * srcLen;
      // the next loop will skip the current src, aka (p=q+srcLen)
      continue;
    }
 
    if (dstLen>0) memcpy(r,dst.data(),dstLen);
    r+=dstLen;
  }
  qstrcpy(r,p);
  result.resize(strlen(result.data()));
  //printf("substitute(%s,%s,%s)->%s\n",s,src,dst,result.data());
  return result;
}

References QCString::data(), QCString::ExplicitSize, QCString::isEmpty(), QCString::length(), qstrcpy(), qstrncmp(), QCString::rawData(), and QCString::resize().

toLowerChar()

char toLowerChar ( char c )

inline

Definition at line 24 of file qcstring.cpp.

{
  return c>='A' && c<='Z' ? c|0x20 : c;
}

Referenced by QCString::contains(), QCString::find(), QCString::findRev(), qstricmp(), and qstrnicmp().