884 lines
18 KiB
C++
884 lines
18 KiB
C++
|
#include <bfc/wasabi_std.h>
|
||
|
|
#include "string.h"
|
||
|
|
#include <bfc/nsguid.h>
|
||
|
|
|
||
|
|
String::String(const char *initial_val)
|
||
|
|
: val(NULL)
|
||
|
|
{
|
||
|
|
setValue(initial_val);
|
||
|
|
}
|
||
|
|
|
||
|
|
String::String(const String &s)
|
||
|
|
: val(NULL)
|
||
|
|
{
|
||
|
|
if (s == NULL) setValue(NULL);
|
||
|
|
else setValue(s.getValue());
|
||
|
|
}
|
||
|
|
|
||
|
|
String::String(const String *s)
|
||
|
|
: val(NULL)
|
||
|
|
{
|
||
|
|
if (s == NULL) setValue(NULL);
|
||
|
|
else setValue(s->getValue());
|
||
|
|
}
|
||
|
|
|
||
|
|
String::~String()
|
||
|
|
{
|
||
|
|
FREE(val);
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::getValueSafe(const char *def_val) const
|
||
|
|
{
|
||
|
|
if (val == NULL)
|
||
|
|
return def_val;
|
||
|
|
else
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::getChar(int pos, int bounds_check)
|
||
|
|
{
|
||
|
|
if (pos < 0 || val == NULL) return -1;
|
||
|
|
if (bounds_check && pos >= len()) return -1;
|
||
|
|
return val[pos];
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::setChar(int pos, int value)
|
||
|
|
{
|
||
|
|
if (pos < 0 || val == NULL) return -1;
|
||
|
|
return val[pos] = value;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::setValue(const char *newval)
|
||
|
|
{
|
||
|
|
if (newval != val)
|
||
|
|
{
|
||
|
|
if (newval == NULL)
|
||
|
|
{
|
||
|
|
FREE(val);
|
||
|
|
val = NULL;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int len = STRLEN(newval);
|
||
|
|
if (val != NULL)
|
||
|
|
#ifdef STRING_REALLOC_OPTIMS
|
||
|
|
{
|
||
|
|
int oldlen = STRLEN(val);
|
||
|
|
// if smaller but greater than half previous size, don't realloc
|
||
|
|
if (len > oldlen || len < oldlen / 2)
|
||
|
|
val = (char *)REALLOC(val, len + 1);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
val = (char *)REALLOC(val, len + 1);
|
||
|
|
#endif
|
||
|
|
else
|
||
|
|
val = (char *)MALLOC(len + 1);
|
||
|
|
ASSERT(newval != NULL);
|
||
|
|
MEMCPY_(val, newval, len + 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return getValue();
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::len() const
|
||
|
|
{
|
||
|
|
return (val == NULL) ? 0 : STRLEN(val);
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::isempty() const
|
||
|
|
{
|
||
|
|
return (!val || !*val);
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::toupper()
|
||
|
|
{
|
||
|
|
if (!isempty())
|
||
|
|
STRTOUPPER(val);
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::tolower()
|
||
|
|
{
|
||
|
|
if (!isempty())
|
||
|
|
STRTOLOWER(val);
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::isequal(const char *otherval) const
|
||
|
|
{
|
||
|
|
return !STRCMPSAFE(getValue(), otherval);
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::iscaseequal(const char *otherval) const
|
||
|
|
{
|
||
|
|
return !STRICMPSAFE(getValue(), otherval);
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::islessthan(const char *otherval) const
|
||
|
|
{
|
||
|
|
return STRCMPSAFE(getValue(), otherval) < 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::changeChar(int from, int to)
|
||
|
|
{
|
||
|
|
if (val == NULL) return ;
|
||
|
|
int length = len();
|
||
|
|
for (int i = 0; i < length; i++)
|
||
|
|
if (val[i] == from) val[i] = to;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::truncateOnChar(int which, int fromright)
|
||
|
|
{
|
||
|
|
if (fromright)
|
||
|
|
{
|
||
|
|
if (val == NULL) return ;
|
||
|
|
int length = len();
|
||
|
|
for (int i = length - 1; i >= 0; i--)
|
||
|
|
{
|
||
|
|
if (val[i] == which)
|
||
|
|
{
|
||
|
|
val[i] = '\0';
|
||
|
|
return ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
changeChar(which, '\0');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::lastChar()
|
||
|
|
{
|
||
|
|
if (isempty()) return -1;
|
||
|
|
return val[len() - 1];
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::printf(const char *format, ...)
|
||
|
|
{
|
||
|
|
va_list args;
|
||
|
|
va_start (args, format);
|
||
|
|
va_sprintf(format, args);
|
||
|
|
va_end(args);
|
||
|
|
return getValue();
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::cat(const char *value)
|
||
|
|
{
|
||
|
|
if (value == NULL || *value == 0) return getValue();
|
||
|
|
if (val == NULL) return setValue(value);
|
||
|
|
return catn(value, STRLEN(value));
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::catn(const char *value, int len)
|
||
|
|
{
|
||
|
|
if (len == 0) return val;
|
||
|
|
if (value == NULL || *value == 0) return getValue();
|
||
|
|
if (val == NULL) return ncpy(value, len);
|
||
|
|
int ol = STRLEN(val);
|
||
|
|
val = (char *)REALLOC(val, ol + len + 1);
|
||
|
|
val[ol + len] = 0;
|
||
|
|
STRNCPY(val + ol, value, len);
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::prepend(const char *value)
|
||
|
|
{
|
||
|
|
if (value == NULL || *value == 0) return getValue();
|
||
|
|
if (val == NULL) return setValue(value);
|
||
|
|
StringPrintf temp("%s%s", value, getValue());
|
||
|
|
swap(&temp);
|
||
|
|
return getValue();
|
||
|
|
}
|
||
|
|
|
||
|
|
// replaces string with n chars of val or length of val, whichever is less.
|
||
|
|
const char *String::ncpy(const char *newstr, int numchars)
|
||
|
|
{
|
||
|
|
val = (char *)REALLOC(val, numchars + 1);
|
||
|
|
val[numchars] = 0;
|
||
|
|
STRNCPY(val, newstr, numchars);
|
||
|
|
return getValue();
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::strncpyTo(char *dest, int maxlen)
|
||
|
|
{
|
||
|
|
ASSERT(dest != NULL);
|
||
|
|
ASSERT(maxlen >= 0);
|
||
|
|
if (maxlen == 0) return ;
|
||
|
|
else if (maxlen == 1)
|
||
|
|
{
|
||
|
|
*dest = '\0';
|
||
|
|
return ;
|
||
|
|
}
|
||
|
|
const char *src = val;
|
||
|
|
if (src == NULL) src = "";
|
||
|
|
int copylen = MIN(STRLEN(src), maxlen);
|
||
|
|
if (maxlen == copylen) copylen--; // make room for 0-termination
|
||
|
|
MEMCPY(dest, src, copylen);
|
||
|
|
dest[copylen] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// -----------------------------------------
|
||
|
|
// Character based find-n-splice methods --
|
||
|
|
// "l" and "r" prefixes specify to begin at
|
||
|
|
// front or back of string:
|
||
|
|
|
||
|
|
#ifdef FAST_METHODS
|
||
|
|
#undef FAST_METHODS
|
||
|
|
#endif//FAST_METHODS
|
||
|
|
#ifdef SAFE_METHODS
|
||
|
|
#undef SAFE_METHODS
|
||
|
|
#endif//SAFE_METHODS
|
||
|
|
#ifdef USE
|
||
|
|
#undef USE
|
||
|
|
#endif//USE
|
||
|
|
|
||
|
|
#define FAST_METHODS 1
|
||
|
|
#define SAFE_METHODS 0
|
||
|
|
|
||
|
|
#define USE FAST_METHODS
|
||
|
|
|
||
|
|
// Returns index of first found, -1 if not found.
|
||
|
|
int String::lFindChar(char findval)
|
||
|
|
{
|
||
|
|
int length = len();
|
||
|
|
for (int i = 0; i < length; i++)
|
||
|
|
{
|
||
|
|
if (val[i] == findval)
|
||
|
|
{
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Same as above, save the "findval" is a string where it searches
|
||
|
|
// for any of the characters in the string.
|
||
|
|
int String::lFindChar(const char *findval)
|
||
|
|
{
|
||
|
|
int length = len();
|
||
|
|
int numchars = STRLEN(findval);
|
||
|
|
for (int i = 0; i < length; i++)
|
||
|
|
{
|
||
|
|
for (int j = 0; j < numchars; j++)
|
||
|
|
{
|
||
|
|
if (val[i] == findval[j])
|
||
|
|
{
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::rFindChar(char findval)
|
||
|
|
{
|
||
|
|
int length = len();
|
||
|
|
for (int i = length - 1; i > 0; i--)
|
||
|
|
{
|
||
|
|
if (val[i] == findval)
|
||
|
|
{
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Same as above, save the "findval" is a string where it searches
|
||
|
|
// for any of the characters in the string.
|
||
|
|
int String::rFindChar(const char *findval)
|
||
|
|
{
|
||
|
|
int length = len();
|
||
|
|
int numchars = STRLEN(findval);
|
||
|
|
for (int i = length - 1; i > 0; i--)
|
||
|
|
{
|
||
|
|
for (int j = 0; j < numchars; j++)
|
||
|
|
{
|
||
|
|
if (val[i] == findval[j])
|
||
|
|
{
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Splits string at findval. Characters passed by search, including the
|
||
|
|
// found character, are MOVED to the returned string. If there is no char
|
||
|
|
// to be found, the entire string is returnef and the called instance is
|
||
|
|
// left empty. (Makes looped splits very easy).
|
||
|
|
String String::lSplit(int idxval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
if (idxval == -1)
|
||
|
|
{ // Not Found
|
||
|
|
// Copy our contents to return on the stack
|
||
|
|
String retval(val);
|
||
|
|
// And zero the string.
|
||
|
|
if (val)
|
||
|
|
{
|
||
|
|
val[0] = 0;
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
String retval;
|
||
|
|
// Copy into retval the number of characters to the found char index.
|
||
|
|
retval.ncpy(val, idxval + 1);
|
||
|
|
{
|
||
|
|
String testscope;
|
||
|
|
// Copy into retval the number of characters to the found char index.
|
||
|
|
testscope.ncpy(val, idxval + 1);
|
||
|
|
}
|
||
|
|
#if USE == FAST_METHODS
|
||
|
|
size_t len = strlen(val + idxval + 1);
|
||
|
|
MEMCPY(val, val + idxval + 1, len + 1);
|
||
|
|
#elif USE == SAFE_METHODS
|
||
|
|
// Copy from the found index downwards to save for this object
|
||
|
|
String temp(val + idxval + 1);
|
||
|
|
// And then copy into ourselves the tempspace.
|
||
|
|
*this = temp;
|
||
|
|
#endif
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
// this will never be hit. many compilers are too stupid to realize this.
|
||
|
|
return String();
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::lSplitChar(char findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
// The index of the found character
|
||
|
|
int idxval = lFindChar(findval);
|
||
|
|
return lSplit(idxval);
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::lSplitChar(const char *findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
// The index of the found character
|
||
|
|
int idxval = lFindChar(findval);
|
||
|
|
return lSplit(idxval);
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::rSplit(int idxval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
if (idxval == -1)
|
||
|
|
{ // Not Found
|
||
|
|
// Copy our contents to return on the stack
|
||
|
|
String retval(val);
|
||
|
|
// And zero the string.
|
||
|
|
val[0] = 0;
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Copy from the found index downwards to the retval
|
||
|
|
String retval(val + idxval);
|
||
|
|
// Terminate the found char index
|
||
|
|
val[idxval] = 0;
|
||
|
|
// That was easier, wasn't it?
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
// this will never be hit. many compilers are too stupid to realize this.
|
||
|
|
return String();
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::rSplitChar(char findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
// The index of the found character
|
||
|
|
int idxval = rFindChar(findval);
|
||
|
|
return rSplit(idxval);
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::rSplitChar(const char *findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
// The index of the found character
|
||
|
|
int idxval = rFindChar(findval);
|
||
|
|
return rSplit(idxval);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Same as split, except the find char is cut completely.
|
||
|
|
String String::lSpliceChar(char findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
//CUT // Auto-scope reference allows us to avoid a copy.
|
||
|
|
//CUT String & retval = lSplitChar(findval);
|
||
|
|
//BU gcc doesn't agree with you and neither do I :/
|
||
|
|
String retval = lSplitChar(findval);
|
||
|
|
|
||
|
|
// We need to strip the findval char, which is the end char.
|
||
|
|
int end = retval.len();
|
||
|
|
if (end)
|
||
|
|
{
|
||
|
|
if (retval.val[end - 1] == findval)
|
||
|
|
{
|
||
|
|
retval.val[end - 1] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Same as split, except the find char is cut completely.
|
||
|
|
String String::lSpliceChar(const char *findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
//CUT // Auto-scope reference allows us to avoid a copy.
|
||
|
|
//CUT String & retval = lSplitChar(findval);
|
||
|
|
//BU gcc doesn't agree with you and neither do I :/
|
||
|
|
String retval = lSplitChar(findval);
|
||
|
|
// We need to strip the findval char, which is the end char.
|
||
|
|
int end = retval.len();
|
||
|
|
int num = STRLEN(findval);
|
||
|
|
if (end)
|
||
|
|
{
|
||
|
|
for (int i = 0; i < num; i++)
|
||
|
|
{
|
||
|
|
if (retval.val[end - 1] == findval[i])
|
||
|
|
{
|
||
|
|
retval.val[end - 1] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::rSpliceChar(char findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
//CUT // Auto-scope reference allows us to avoid a copy.
|
||
|
|
//CUT String & retval = rSplitChar(findval);
|
||
|
|
//BU gcc doesn't agree with you and neither do I :/
|
||
|
|
String retval = rSplitChar(findval);
|
||
|
|
// We need to strip the findval char, which is the first char.
|
||
|
|
// (But we still check for empty string:)
|
||
|
|
size_t end = retval.len();
|
||
|
|
if (end)
|
||
|
|
{
|
||
|
|
if (retval.val[0] == findval)
|
||
|
|
{
|
||
|
|
#if USE == FAST_METHODS
|
||
|
|
size_t len = strlen(retval.val + 1);
|
||
|
|
MEMCPY(retval.val, retval.val + 1, len + 1);
|
||
|
|
#elif USE == SAFE_METHODS
|
||
|
|
String temp(retval.val + 1);
|
||
|
|
retval = temp;
|
||
|
|
#endif
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
String String::rSpliceChar(const char *findval)
|
||
|
|
{
|
||
|
|
if (val == NULL) return String();
|
||
|
|
//CUT // Auto-scope reference allows us to avoid a copy.
|
||
|
|
//CUT String & retval = rSplitChar(findval);
|
||
|
|
//BU gcc doesn't agree with you and neither do I :/
|
||
|
|
String retval = rSplitChar(findval);
|
||
|
|
// We need to strip the findval char, which is the first char.
|
||
|
|
// (But we still check for empty string:)
|
||
|
|
size_t end = retval.len();
|
||
|
|
size_t num = STRLEN(findval);
|
||
|
|
if (end)
|
||
|
|
{
|
||
|
|
for (size_t i = 0; i < num; i++)
|
||
|
|
{
|
||
|
|
if (retval.val[0] == findval[i])
|
||
|
|
{
|
||
|
|
#if USE == FAST_METHODS
|
||
|
|
size_t len = strlen(retval.val + 1);
|
||
|
|
MEMCPY(retval.val, retval.val + 1, len + 1);
|
||
|
|
#elif USE == SAFE_METHODS
|
||
|
|
String temp(retval.val + 1);
|
||
|
|
retval = temp;
|
||
|
|
#endif
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::replace(const char *find, const char *replace)
|
||
|
|
{
|
||
|
|
if (len() == 0 || find == NULL || replace == NULL) return 0;
|
||
|
|
|
||
|
|
int find_count = 0;
|
||
|
|
|
||
|
|
char *p, *p2;
|
||
|
|
int rep_len = STRLEN( replace );
|
||
|
|
int find_len = STRLEN( find );
|
||
|
|
int size_diff = rep_len - find_len;
|
||
|
|
|
||
|
|
if ( size_diff == 0 )
|
||
|
|
{
|
||
|
|
p = val;
|
||
|
|
while ( p = STRSTR( p, find ) )
|
||
|
|
{
|
||
|
|
STRNCPY( p, replace, rep_len );
|
||
|
|
p += find_len;
|
||
|
|
find_count++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
char *new_buf, *in;
|
||
|
|
|
||
|
|
p = val;
|
||
|
|
while ( p = STRSTR( p, find ) )
|
||
|
|
{
|
||
|
|
find_count++;
|
||
|
|
p += find_len;
|
||
|
|
}
|
||
|
|
|
||
|
|
new_buf = (char *)MALLOC( len() + find_count * size_diff + 1 );
|
||
|
|
|
||
|
|
p = val;
|
||
|
|
in = new_buf;
|
||
|
|
while ( p2 = STRSTR( p, find ) )
|
||
|
|
{
|
||
|
|
STRNCPY( in, p, (int)(p2 - p) );
|
||
|
|
in += p2 - p;
|
||
|
|
STRNCPY( in, replace, rep_len );
|
||
|
|
in += rep_len;
|
||
|
|
p = p2 + find_len;
|
||
|
|
}
|
||
|
|
STRCPY( in, p );
|
||
|
|
new_buf[ len() + find_count * size_diff ] = 0;
|
||
|
|
|
||
|
|
// just swap buffers
|
||
|
|
|
||
|
|
FREE(val);
|
||
|
|
val = new_buf;
|
||
|
|
}
|
||
|
|
return find_count;
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::replaceNumericField(int value, int fieldchar)
|
||
|
|
{
|
||
|
|
if (val == NULL || *val == '\0') return 0;
|
||
|
|
int nrep = 0;
|
||
|
|
for (const char *p = val; *p; p++)
|
||
|
|
{
|
||
|
|
if (*p == fieldchar) nrep++;
|
||
|
|
else if (nrep) break;
|
||
|
|
}
|
||
|
|
if (nrep == 0) return 0; // no field found
|
||
|
|
String rc;
|
||
|
|
char fc[2] = { 0, 0 };
|
||
|
|
fc[0] = fieldchar;
|
||
|
|
for (int i = 0; i < nrep; i++) rc.cat(fc);
|
||
|
|
StringPrintf fmt("%%0%0dd", nrep);
|
||
|
|
StringPrintf replacement(fmt.getValue(), value);
|
||
|
|
return replace(rc, replacement);
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef USE
|
||
|
|
#undef SAFE_METHODS
|
||
|
|
#undef FAST_METHODS
|
||
|
|
|
||
|
|
int String::numCharacters()
|
||
|
|
{
|
||
|
|
// count newsize characters over how many bytes?
|
||
|
|
int count, bytes;
|
||
|
|
for (bytes = 0, count = 0; val[bytes]; count++, bytes++)
|
||
|
|
{
|
||
|
|
// If we encounter a lead byte, skip over the trail bytes.
|
||
|
|
switch (val[bytes] & 0xC0)
|
||
|
|
{
|
||
|
|
case 0x80: // trail bytes
|
||
|
|
// THIS SHOULD NEVER EVER EVER EVER HAPPEN!
|
||
|
|
// but we'll fall through anyhow, just in case someone
|
||
|
|
// sends us non-UTF8.
|
||
|
|
case 0xC0: // lead bytes
|
||
|
|
do
|
||
|
|
{
|
||
|
|
bytes++;
|
||
|
|
if (val[bytes] == 0)
|
||
|
|
{
|
||
|
|
// if people are giving us lame encodings, break here.
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while ((val[bytes + 1] & 0xC0) == 0x80);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::trunc(int newlen)
|
||
|
|
{
|
||
|
|
if (val == NULL) return ;
|
||
|
|
int oldlen = numCharacters();
|
||
|
|
if (newlen < 0) newlen = MAX(oldlen + newlen, 0);
|
||
|
|
if (newlen >= oldlen) return ;
|
||
|
|
|
||
|
|
// count newsize characters over how many bytes?
|
||
|
|
int count, bytes;
|
||
|
|
for (bytes = 0, count = 0; count < newlen; count++, bytes++)
|
||
|
|
{
|
||
|
|
// If we encounter a lead byte, skip over the trail bytes.
|
||
|
|
switch (val[bytes] & 0xC0)
|
||
|
|
{
|
||
|
|
case 0x80: // trail bytes
|
||
|
|
// THIS SHOULD NEVER EVER EVER EVER HAPPEN!
|
||
|
|
// but we'll fall through anyhow, just in case someone
|
||
|
|
// sends us non-UTF8.
|
||
|
|
case 0xC0: // lead bytes
|
||
|
|
do
|
||
|
|
{
|
||
|
|
bytes++;
|
||
|
|
}
|
||
|
|
while ((val[bytes + 1] & 0xC0) == 0x80);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
val[bytes] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::trim(const char *whitespace, int left, int right)
|
||
|
|
{
|
||
|
|
if (val == NULL) return ;
|
||
|
|
if (left)
|
||
|
|
{ // trim left
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
int restart = 0;
|
||
|
|
const char *p;
|
||
|
|
for (p = whitespace; *p; p++)
|
||
|
|
{
|
||
|
|
if (*p == val[0])
|
||
|
|
{
|
||
|
|
STRCPY(val, val + 1);
|
||
|
|
restart = 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!restart) break;
|
||
|
|
}
|
||
|
|
} //left
|
||
|
|
if (right)
|
||
|
|
{
|
||
|
|
char *ptr = val;
|
||
|
|
while (ptr && *ptr) ptr++;
|
||
|
|
ptr--;
|
||
|
|
if (ptr <= val) return ;
|
||
|
|
for (; ptr > val; ptr--)
|
||
|
|
{
|
||
|
|
const char *p;
|
||
|
|
for (p = whitespace; *p; p++)
|
||
|
|
{
|
||
|
|
if (*p == *ptr)
|
||
|
|
{
|
||
|
|
*ptr = '\0';
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!*p) break;
|
||
|
|
}
|
||
|
|
} //right
|
||
|
|
}
|
||
|
|
|
||
|
|
int String::va_sprintf(const char *format, va_list args)
|
||
|
|
{
|
||
|
|
if (!format) return 0;
|
||
|
|
|
||
|
|
va_list saveargs = args;
|
||
|
|
// roughly evaluate size of dest string
|
||
|
|
const char *p = format;
|
||
|
|
int length = 0;
|
||
|
|
while (p && *p)
|
||
|
|
{
|
||
|
|
if (*(p++) != '%') length++;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
void *arg = va_arg(args, void *);
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
const char f = *p++;
|
||
|
|
if (f == 'c') length++;
|
||
|
|
else if (f == 'i') length += 16;
|
||
|
|
else if (f == 'u') length += 16;
|
||
|
|
else if (f == 'f') length += 64;
|
||
|
|
else if (f == 'd' || f == 'f') length += 64;
|
||
|
|
else if (f == 'x') length += 32; // Hex with LC Alphas: 0x0009a64c
|
||
|
|
else if (f == 'X') length += 32; // Hex with UC Alphas: 0x0009A64C
|
||
|
|
else if (f == 's')
|
||
|
|
{ // ::vsrintf can properly handle null.
|
||
|
|
if (arg == NULL)
|
||
|
|
{
|
||
|
|
length += STRLEN("(null)"); // Just to be explicit.
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
length += STRLEN((const char *)arg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (f == 'S')
|
||
|
|
{ // ::vsrintf can properly handle null.
|
||
|
|
if (arg == NULL)
|
||
|
|
{
|
||
|
|
length += (int)wcslen(L"(null)"); // Just to be explicit.
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
length += (int)wcslen((const wchar_t *)arg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (ISDIGIT(f)) continue;
|
||
|
|
else if (f == '.') continue;
|
||
|
|
else if (f == '%') length++;
|
||
|
|
else ASSERTPR(0, "undefined format passed to stringprintf!");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (val)
|
||
|
|
{
|
||
|
|
if (len() < length)
|
||
|
|
val = (char *)REALLOC(val, length + 1);
|
||
|
|
}
|
||
|
|
else val = (char *)MALLOC(length + 1);
|
||
|
|
|
||
|
|
// now write the string in val
|
||
|
|
int real_len = ::vsprintf_s(val, length + 1, format, saveargs);
|
||
|
|
ASSERTPR(real_len <= length, "String.printf overflow");
|
||
|
|
return real_len;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::purge()
|
||
|
|
{
|
||
|
|
FREE(val);
|
||
|
|
val = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
// swaps buffers with another string
|
||
|
|
void String::swap(String *swapper)
|
||
|
|
{
|
||
|
|
char *tempChar = swapper->val;
|
||
|
|
swapper->val = val;
|
||
|
|
val = tempChar;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::swap(String &swapper) // swaps buffers with another string
|
||
|
|
{
|
||
|
|
char *tempChar = swapper.val;
|
||
|
|
swapper.val = val;
|
||
|
|
val = tempChar;
|
||
|
|
}
|
||
|
|
|
||
|
|
// take ownership of a buffer
|
||
|
|
void String::own(char *swapper)
|
||
|
|
{
|
||
|
|
if (val)
|
||
|
|
FREE(val);
|
||
|
|
val = swapper;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::catPostSeparator(const char *value, const char separator)
|
||
|
|
{
|
||
|
|
if (value == NULL || *value == 0 || separator == 0) return getValue();
|
||
|
|
int oldLen = val ? STRLEN(val) : 0;
|
||
|
|
int newLen = STRLEN(value);
|
||
|
|
val = (char *)REALLOC(val, oldLen + newLen + 1 + 1); // +1 for separator, +1 for null character
|
||
|
|
STRCPY(val + oldLen, value);
|
||
|
|
val[oldLen + newLen] = separator; // add the separator
|
||
|
|
val[oldLen + newLen + 1] = 0; // null terminate
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *String::catPreSeparator(const char separator, const char *value)
|
||
|
|
{
|
||
|
|
if (value == NULL || *value == 0 || separator == 0) return getValue();
|
||
|
|
int oldLen = val ? STRLEN(val) : 0;
|
||
|
|
int newLen = STRLEN(value);
|
||
|
|
val = (char *)REALLOC(val, oldLen + newLen + 1 + 1); // +1 for separator, +1 for null character
|
||
|
|
val[oldLen] = separator; // add the separator
|
||
|
|
STRCPY(val + oldLen + 1, value); // +1 for separator (goes first)
|
||
|
|
val[oldLen + newLen + 1] = 0; // null terminate
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
void String::AppendPath(const char *path)
|
||
|
|
{
|
||
|
|
catPreSeparator('/', path);
|
||
|
|
}
|
||
|
|
|
||
|
|
StringPrintf::StringPrintf(const char *format, ...)
|
||
|
|
{
|
||
|
|
va_list args;
|
||
|
|
va_start (args, format);
|
||
|
|
va_sprintf(format, args);
|
||
|
|
va_end(args);
|
||
|
|
}
|
||
|
|
|
||
|
|
StringPrintf::StringPrintf(int value)
|
||
|
|
{
|
||
|
|
*this += value;
|
||
|
|
}
|
||
|
|
|
||
|
|
StringPrintf::StringPrintf(double value)
|
||
|
|
{
|
||
|
|
// TODO: review to use locale variant...
|
||
|
|
char* locale = _strdup(setlocale(LC_NUMERIC, NULL));
|
||
|
|
setlocale(LC_NUMERIC, "C");
|
||
|
|
*this += StringPrintf("%f", value);
|
||
|
|
if (locale)
|
||
|
|
{
|
||
|
|
setlocale(LC_NUMERIC, locale);
|
||
|
|
free(locale);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
StringPrintf::StringPrintf(GUID g)
|
||
|
|
{
|
||
|
|
char splab[nsGUID::GUID_STRLEN + 1] = {0};
|
||
|
|
nsGUID::toChar(g, splab);
|
||
|
|
cat(splab);
|
||
|
|
}
|
||
|
|
|
||
|
|
_DebugString::_DebugString(const char *format, ...)
|
||
|
|
{
|
||
|
|
va_list args;
|
||
|
|
va_start (args, format);
|
||
|
|
va_sprintf(format, args);
|
||
|
|
va_end(args);
|
||
|
|
|
||
|
|
debugPrint();
|
||
|
|
}
|
||
|
|
|
||
|
|
_DebugString::_DebugString(const String &s) : String(s)
|
||
|
|
{
|
||
|
|
debugPrint();
|
||
|
|
}
|
||
|
|
|
||
|
|
_DebugString::_DebugString(const String *s) : String(s)
|
||
|
|
{
|
||
|
|
debugPrint();
|
||
|
|
}
|
||
|
|
|
||
|
|
void _DebugString::debugPrint()
|
||
|
|
{
|
||
|
|
#ifdef _WIN32
|
||
|
|
OutputDebugStringA(getValue());
|
||
|
|
if (lastChar() != '\n') OutputDebugStringA("\n");
|
||
|
|
#else
|
||
|
|
#warning port me
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
int StringComparator::compareItem(String *p1, String* p2)
|
||
|
|
{
|
||
|
|
return STRCMP(p1->getValue(), p2->getValue());
|
||
|
|
}
|
||
|
|
|
||
|
|
int StringComparator::compareAttrib(const wchar_t *attrib, String *item)
|
||
|
|
{
|
||
|
|
return STRCMP((const char *)attrib, item->getValue());
|
||
|
|
}
|