/////////////////////////////////////////////////////////////////////////////
-// Name: string.cpp
+// Name: src/common/string.cpp
// Purpose: wxString class
// Author: Vadim Zeitlin, Ryan Norton
// Modified by:
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
- #include "wx/defs.h"
- #include "wx/string.h"
- #include "wx/intl.h"
- #include "wx/thread.h"
+ #include "wx/string.h"
+ #include "wx/intl.h"
+ #include "wx/thread.h"
#endif
#include <ctype.h>
#include <stdlib.h>
#ifdef __SALFORDC__
- #include <clib.h>
+ #include <clib.h>
#endif
// allocating extra space for each string consumes more memory but speeds up
{
if ( nLength == npos )
{
- nLength = (size_t)-1;
- }
- else if ( nLength == length() )
- {
- // this is important to avoid copying the string in cMB2WC: we're
- // already NUL-terminated so we can pass this NUL with the data
- nLength++;
+ nLength = wxNO_LEN;
}
size_t nLenWide;
{
if ( nLength == npos )
{
- nLength = (size_t)-1;
- }
- else if ( nLength == length() )
- {
- // this is important to avoid copying the string in cMB2WC: we're
- // already NUL-terminated so we can pass this NUL with the data
- nLength++;
+ nLength = wxNO_LEN;
}
size_t nLenMB;
wxString operator+(const wxString& str1, const wxString& str2)
{
#if !wxUSE_STL
- wxASSERT( str1.GetStringData()->IsValid() );
- wxASSERT( str2.GetStringData()->IsValid() );
+ wxASSERT( str1.GetStringData()->IsValid() );
+ wxASSERT( str2.GetStringData()->IsValid() );
#endif
- wxString s = str1;
- s += str2;
+ wxString s = str1;
+ s += str2;
- return s;
+ return s;
}
wxString operator+(const wxString& str, wxChar ch)
{
#if !wxUSE_STL
- wxASSERT( str.GetStringData()->IsValid() );
+ wxASSERT( str.GetStringData()->IsValid() );
#endif
- wxString s = str;
- s += ch;
+ wxString s = str;
+ s += ch;
- return s;
+ return s;
}
wxString operator+(wxChar ch, const wxString& str)
{
#if !wxUSE_STL
- wxASSERT( str.GetStringData()->IsValid() );
+ wxASSERT( str.GetStringData()->IsValid() );
#endif
- wxString s = ch;
- s += str;
+ wxString s = ch;
+ s += str;
- return s;
+ return s;
}
wxString operator+(const wxString& str, const wxChar *psz)
{
#if !wxUSE_STL
- wxASSERT( str.GetStringData()->IsValid() );
+ wxASSERT( str.GetStringData()->IsValid() );
#endif
- wxString s;
- if ( !s.Alloc(wxStrlen(psz) + str.Len()) ) {
- wxFAIL_MSG( _T("out of memory in wxString::operator+") );
- }
- s += str;
- s += psz;
+ wxString s;
+ if ( !s.Alloc(wxStrlen(psz) + str.length()) ) {
+ wxFAIL_MSG( _T("out of memory in wxString::operator+") );
+ }
+ s += str;
+ s += psz;
- return s;
+ return s;
}
wxString operator+(const wxChar *psz, const wxString& str)
{
#if !wxUSE_STL
- wxASSERT( str.GetStringData()->IsValid() );
+ wxASSERT( str.GetStringData()->IsValid() );
#endif
- wxString s;
- if ( !s.Alloc(wxStrlen(psz) + str.Len()) ) {
- wxFAIL_MSG( _T("out of memory in wxString::operator+") );
- }
- s = psz;
- s += str;
+ wxString s;
+ if ( !s.Alloc(wxStrlen(psz) + str.length()) ) {
+ wxFAIL_MSG( _T("out of memory in wxString::operator+") );
+ }
+ s = psz;
+ s += str;
- return s;
+ return s;
}
// ===========================================================================
return true;
}
+
+// check that the string ends with suffix and return the rest of it in the
+// provided pointer if it is not NULL, otherwise return false
+bool wxString::EndsWith(const wxChar *suffix, wxString *rest) const
+{
+ wxASSERT_MSG( suffix, _T("invalid parameter in wxString::EndssWith") );
+
+ int start = length() - wxStrlen(suffix);
+ if ( start < 0 || wxStrcmp(c_str() + start, suffix) != 0 )
+ return false;
+
+ if ( rest )
+ {
+ // put the rest of the string into provided pointer
+ rest->assign(*this, 0, start);
+ }
+
+ return true;
+}
+
+
// extract nCount last (rightmost) characters
wxString wxString::Right(size_t nCount) const
{
// trims spaces (in the sense of isspace) from left or right side
wxString& wxString::Trim(bool bFromRight)
{
- // first check if we're going to modify the string at all
- if ( !empty() &&
- (
- (bFromRight && wxSafeIsspace(GetChar(Len() - 1))) ||
- (!bFromRight && wxSafeIsspace(GetChar(0u)))
+ // first check if we're going to modify the string at all
+ if ( !empty() &&
+ (
+ (bFromRight && wxSafeIsspace(GetChar(length() - 1))) ||
+ (!bFromRight && wxSafeIsspace(GetChar(0u)))
+ )
)
- )
- {
- if ( bFromRight )
{
- // find last non-space character
- iterator psz = begin() + length() - 1;
- while ( wxSafeIsspace(*psz) && (psz >= begin()) )
- psz--;
-
- // truncate at trailing space start
- *++psz = wxT('\0');
- erase(psz, end());
- }
- else
- {
- // find first non-space character
- iterator psz = begin();
- while ( wxSafeIsspace(*psz) )
- psz++;
+ if ( bFromRight )
+ {
+ // find last non-space character
+ reverse_iterator psz = rbegin();
+ while ( (psz != rend()) && wxSafeIsspace(*psz) )
+ psz++;
+
+ // truncate at trailing space start
+ erase(psz.base(), end());
+ }
+ else
+ {
+ // find first non-space character
+ iterator psz = begin();
+ while ( (psz != end()) && wxSafeIsspace(*psz) )
+ psz++;
- // fix up data and length
- erase(begin(), psz);
+ // fix up data and length
+ erase(begin(), psz);
+ }
}
- }
- return *this;
+ return *this;
}
// adds nCount characters chPad to the string from either side
wxString& wxString::Pad(size_t nCount, wxChar chPad, bool bFromRight)
{
- wxString s(chPad, nCount);
+ wxString s(chPad, nCount);
- if ( bFromRight )
- *this += s;
- else
- {
- s += *this;
- swap(s);
- }
+ if ( bFromRight )
+ *this += s;
+ else
+ {
+ s += *this;
+ swap(s);
+ }
- return *this;
+ return *this;
}
// truncate the string
wxString& wxString::Truncate(size_t uiLen)
{
- if ( uiLen < Len() ) {
- erase(begin() + uiLen, end());
- }
- //else: nothing to do, string is already short enough
+ if ( uiLen < length() )
+ {
+ erase(begin() + uiLen, end());
+ }
+ //else: nothing to do, string is already short enough
- return *this;
+ return *this;
}
// ---------------------------------------------------------------------------
// find a character
int wxString::Find(wxChar ch, bool bFromEnd) const
{
- size_type idx = bFromEnd ? find_last_of(ch) : find_first_of(ch);
+ size_type idx = bFromEnd ? find_last_of(ch) : find_first_of(ch);
- return (idx == npos) ? wxNOT_FOUND : (int)idx;
+ return (idx == npos) ? wxNOT_FOUND : (int)idx;
}
// find a sub-string (like strstr)
int wxString::Find(const wxChar *pszSub) const
{
- size_type idx = find(pszSub);
+ size_type idx = find(pszSub);
- return (idx == npos) ? wxNOT_FOUND : (int)idx;
+ return (idx == npos) ? wxNOT_FOUND : (int)idx;
}
// ----------------------------------------------------------------------------
// we could have overshot
Shrink();
- return Len();
+ return length();
}
// ----------------------------------------------------------------------------
int wxString::Freq(wxChar ch) const
{
int count = 0;
- int len = Len();
+ int len = length();
for (int i = 0; i < len; i++)
{
if (GetChar(i) == ch)
#if wxUSE_THREADS
// need a critical section to protect access to gs_compareFunction and
// gs_sortAscending variables
- static wxCriticalSection *gs_critsectStringSort = NULL;
-
- // call this before the value of the global sort vars is changed/after
- // you're finished with them
- #define START_SORT() wxASSERT( !gs_critsectStringSort ); \
- gs_critsectStringSort = new wxCriticalSection; \
- gs_critsectStringSort->Enter()
- #define END_SORT() gs_critsectStringSort->Leave(); \
- delete gs_critsectStringSort; \
- gs_critsectStringSort = NULL
-#else // !threads
- #define START_SORT()
- #define END_SORT()
+ static wxCriticalSection gs_critsectStringSort;
#endif // wxUSE_THREADS
// function to use for string comparaison
// sort array elements using passed comparaison function
void wxArrayString::Sort(CompareFunction compareFunction)
{
- START_SORT();
+ wxCRIT_SECT_LOCKER(lockCmpFunc, gs_critsectStringSort);
wxASSERT( !gs_compareFunction ); // must have been reset to NULL
gs_compareFunction = compareFunction;
// reset it to NULL so that Sort(bool) will work the next time
gs_compareFunction = NULL;
-
- END_SORT();
}
extern "C"
projects / wxWidgets.git / blobdiff