EnvironmentLoader/source/utils/StringTools.cpp

290 lines
7.4 KiB
C++

/***************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* for WiiXplorer 2010
***************************************************************************/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <strings.h>
#include <utils/StringTools.h>
#include <vector>
#include <wchar.h>
#include <wut_types.h>
BOOL StringTools::EndsWith(const std::string &a, const std::string &b) {
if (b.size() > a.size())
return false;
return std::equal(a.begin() + a.size() - b.size(), a.end(), b.begin());
}
const char *StringTools::byte_to_binary(int32_t x) {
static char b[9];
b[0] = '\0';
int32_t z;
for (z = 128; z > 0; z >>= 1) {
strcat(b, ((x & z) == z) ? "1" : "0");
}
return b;
}
std::string StringTools::removeCharFromString(std::string &input, char toBeRemoved) {
std::string output = input;
size_t position;
while (1) {
position = output.find(toBeRemoved);
if (position == std::string::npos)
break;
output.erase(position, 1);
}
return output;
}
const char *StringTools::fmt(const char *format, ...) {
static char strChar[512];
strChar[0] = 0;
va_list va;
va_start(va, format);
if ((vsprintf(strChar, format, va) >= 0)) {
va_end(va);
return (const char *) strChar;
}
va_end(va);
return NULL;
}
const wchar_t *StringTools::wfmt(const char *format, ...) {
static char tmp[512];
static wchar_t strWChar[512];
strWChar[0] = 0;
tmp[0] = 0;
if (!format)
return (const wchar_t *) strWChar;
if (strcmp(format, "") == 0)
return (const wchar_t *) strWChar;
va_list va;
va_start(va, format);
if ((vsprintf(tmp, format, va) >= 0)) {
int bt;
int32_t strlength = strlen(tmp);
bt = mbstowcs(strWChar, tmp, (strlength < 512) ? strlength : 512);
if (bt > 0) {
strWChar[bt] = 0;
return (const wchar_t *) strWChar;
}
}
va_end(va);
return NULL;
}
int32_t StringTools::strprintf(std::string &str, const char *format, ...) {
static char tmp[512];
tmp[0] = 0;
int32_t result = 0;
va_list va;
va_start(va, format);
if ((vsprintf(tmp, format, va) >= 0)) {
str = tmp;
result = str.size();
}
va_end(va);
return result;
}
std::string StringTools::strfmt(const char *format, ...) {
std::string str;
static char tmp[512];
tmp[0] = 0;
va_list va;
va_start(va, format);
if ((vsprintf(tmp, format, va) >= 0)) {
str = tmp;
}
va_end(va);
return str;
}
BOOL StringTools::char2wchar_t(const char *strChar, wchar_t *dest) {
if (!strChar || !dest)
return false;
int bt;
bt = mbstowcs(dest, strChar, strlen(strChar));
if (bt > 0) {
dest[bt] = 0;
return true;
}
return false;
}
int32_t StringTools::strtokcmp(const char *string, const char *compare, const char *separator) {
if (!string || !compare)
return -1;
char TokCopy[512];
strncpy(TokCopy, compare, sizeof(TokCopy));
TokCopy[511] = '\0';
char *strTok = strtok(TokCopy, separator);
while (strTok != NULL) {
if (strcasecmp(string, strTok) == 0) {
return 0;
}
strTok = strtok(NULL, separator);
}
return -1;
}
int32_t StringTools::strextcmp(const char *string, const char *extension, char seperator) {
if (!string || !extension)
return -1;
char *ptr = strrchr(string, seperator);
if (!ptr)
return -1;
return strcasecmp(ptr + 1, extension);
}
std::vector<std::string> StringTools::stringSplit(const std::string &inValue, const std::string &splitter) {
std::string value = inValue;
std::vector<std::string> result;
while (true) {
uint32_t index = value.find(splitter);
if (index == std::string::npos) {
result.push_back(value);
break;
}
std::string first = value.substr(0, index);
result.push_back(first);
if (index + splitter.size() == value.length()) {
result.push_back("");
break;
}
if (index + splitter.size() > value.length()) {
break;
}
value = value.substr(index + splitter.size(), value.length());
}
return result;
}
const char *StringTools::FullpathToFilename(const char *path) {
if (!path)
return path;
const char *ptr = path;
const char *Filename = ptr;
while (*ptr != '\0') {
if (ptr[0] == '/' && ptr[1] != '\0')
Filename = ptr + 1;
++ptr;
}
return Filename;
}
void StringTools::RemoveDoubleSlashs(std::string &str) {
uint32_t length = str.size();
//! clear path of double slashes
for (uint32_t i = 1; i < length; ++i) {
if (str[i - 1] == '/' && str[i] == '/') {
str.erase(i, 1);
i--;
length--;
}
}
}
// You must free the result if result is non-NULL.
char *StringTools::str_replace(char *orig, char *rep, char *with) {
char *result; // the return string
char *ins; // the next insert point
char *tmp; // varies
int len_rep; // length of rep (the string to remove)
int len_with; // length of with (the string to replace rep with)
int len_front; // distance between rep and end of last rep
int count; // number of replacements
// sanity checks and initialization
if (!orig || !rep)
return NULL;
len_rep = strlen(rep);
if (len_rep == 0)
return NULL; // empty rep causes infinite loop during count
if (!with)
with = (char *) "";
len_with = strlen(with);
// count the number of replacements needed
ins = orig;
for (count = 0; (tmp = strstr(ins, rep)); ++count) {
ins = tmp + len_rep;
}
tmp = result = (char *) malloc(strlen(orig) + (len_with - len_rep) * count + 1);
if (!result)
return NULL;
// first time through the loop, all the variable are set correctly
// from here on,
// tmp points to the end of the result string
// ins points to the next occurrence of rep in orig
// orig points to the remainder of orig after "end of rep"
while (count--) {
ins = strstr(orig, rep);
len_front = ins - orig;
tmp = strncpy(tmp, orig, len_front) + len_front;
tmp = strcpy(tmp, with) + len_with;
orig += len_front + len_rep; // move to next "end of rep"
}
strcpy(tmp, orig);
return result;
}