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cmText.h/c : Added cmTextVAppendSS(), cmTextLength(), cmTextCmpN(), cmTextToLower(), cmTextToUpper().

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This commit is contained in:
kevin 2014-01-06 16:12:13 -05:00
parent babb016383
commit bc7b5a4c09
2 changed files with 91 additions and 2 deletions
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78
cmText.c
View File

@ -535,18 +535,24 @@ cmChar_t* cmTextReplaceS( cmChar_t* s, const cmChar_t* t, unsigned tn, const cmC
cmChar_t* _cmTextReplace( cmChar_t* s, const cmChar_t* t, const cmChar_t* u, unsigned n )
{
// we will go into an endless loop if 't' is contained in 'u' and n > 1.
assert( s!= NULL && t!=NULL && u!=NULL && (n==1 || strstr(u,t) == NULL) );
//assert( s!= NULL && t!=NULL && u!=NULL && (n==1 || strstr(u,t) == NULL) );
assert( s!= NULL && t!=NULL && u!=NULL );
int tn = strlen(t);
cmChar_t* c = NULL;
unsigned i = 0;
cmChar_t* s0 = s;
while( (c = strstr(s,t)) != NULL )
while( (c = strstr(s0,t)) != NULL )
{
int offs = c - s;
s = cmTextReplaceS(s,c,tn,u);
assert(s!=NULL);
s0 = s + offs + tn;
++i;
if( n!=cmInvalidCnt && i>=n)
break;
@ -599,6 +605,26 @@ cmChar_t* cmTextAppendSNZ( cmChar_t* s, const cmChar_t* u, unsigned un )
cmChar_t* cmTextAppendSS( cmChar_t* s, const cmChar_t* u )
{ return cmTextAppendSN(s,u,strlen(u)); }
cmChar_t* cmTextVAppendSS( cmChar_t* s, ... )
{
va_list vl;
va_start(vl,s);
do
{
cmChar_t* s0 = va_arg(vl,cmChar_t*);
if( s0 == NULL )
break;
s = cmTextAppendSS(s,s0);
}while(1);
va_end(vl);
return s;
}
cmChar_t* cmTextAppendChar( cmChar_t* s, cmChar_t c, unsigned n )
{
@ -623,6 +649,14 @@ bool cmTextIsEmpty( const cmChar_t* s )
bool cmTextIsNotEmpty( const cmChar_t* s )
{ return !cmTextIsEmpty(s); }
unsigned cmTextLength( const cmChar_t* s0 )
{
if( s0 == NULL )
return 0;
return strlen(s0);
}
int cmTextCmp( const cmChar_t* s0, const cmChar_t* s1 )
{
if( s0 == NULL && s1 == NULL )
@ -638,6 +672,46 @@ int cmTextCmp( const cmChar_t* s0, const cmChar_t* s1 )
return strcmp(s0,s1);
}
int cmTextCmpN( const cmChar_t* s0, const cmChar_t* s1, unsigned n )
{
if( s0 == NULL && s1 == NULL )
return 0;
if( s0 == NULL || s1 == NULL )
{
if( s0 == NULL )
return -1;
return 1;
}
return strncmp(s0,s1,n);
}
void cmTextToLower( const cmChar_t* s0, cmChar_t* s1 )
{
if( s0 == NULL || s1==NULL )
return;
for(; *s0; ++s0,++s1)
*s1 = tolower(*s0);
*s1 = 0;
return;
}
void cmTextToUpper( const cmChar_t* s0, cmChar_t* s1 )
{
if( s0 == NULL || s1==NULL )
return;
for(; *s0; ++s0,++s1)
*s1 = toupper(*s0);
*s1 = 0;
return;
}
cmChar_t* cmTextLine( cmChar_t* s, unsigned line )
{
assert( line>0);

15
cmText.h
View File

@ -192,6 +192,10 @@ extern "C" {
// both s[] and u[] are strz's
cmChar_t* cmTextAppendSS( cmChar_t* s, const cmChar_t* u );
// Same as multiple calls to cmTextAppendSS().
// Terminate the var-args list with NULL.
cmChar_t* cmTextVAppendSS( cmChar_t* s, ... );
// Append 'n' copies of 'c' to the end of s[].
cmChar_t* cmTextAppendChar( cmChar_t* s, cmChar_t c, unsigned n );
@ -199,10 +203,21 @@ extern "C" {
bool cmTextIsEmpty( const cmChar_t* s );
bool cmTextIsNotEmpty( const cmChar_t* s );
// Same as strlen() but handles case where s0 == NULL as length==0.
unsigned cmTextLength( const cmChar_t* s0 );
// Same as strcmp() but handles NULL. Note that if both s0 and s1 are NULL
// then return is 0.
int cmTextCmp( const cmChar_t* s0, const cmChar_t* s1 );
// Same as cmTextCmp() but only compare the first 'n' characters.
int cmTextCmpN( const cmChar_t* s0, const cmChar_t* s1, unsigned n );
// Convert text in s0[] to upper/lower case in s1[].
// Note that s0[] and s1[] may point to the same string
void cmTextToLower( const cmChar_t* s0, cmChar_t* s1 );
void cmTextToUpper( const cmChar_t* s0, cmChar_t* s1 );
// Returns NULL if string contains fewer than lineIdx lines.
// Note: first line == 1.
cmChar_t* cmTextLine( cmChar_t* s, unsigned line );