ppsspp/ext/native/base/stringutil.cpp

325 lines
6.7 KiB
C++

#ifdef _WIN32
#include <windows.h>
#undef min
#undef max
#endif
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <string>
#include <sstream>
#include <limits.h>
#include <algorithm>
#include <iomanip>
#include "base/buffer.h"
#include "base/stringutil.h"
#ifdef _WIN32
// Function Cross-Compatibility
#define strcasecmp _stricmp
void OutputDebugStringUTF8(const char *p) {
wchar_t temp[4096];
int len = std::min(4095, (int)strlen(p));
int size = (int)MultiByteToWideChar(CP_UTF8, 0, p, len, NULL, 0);
MultiByteToWideChar(CP_UTF8, 0, p, len, temp, size);
temp[size] = 0;
OutputDebugString(temp);
}
#else
void OutputDebugStringUTF8(const char *p) {
ILOG("%s", p);
}
#endif
std::string LineNumberString(const std::string &str) {
std::stringstream input(str);
std::stringstream output;
std::string line;
int lineNumber = 1;
while (std::getline(input, line)) {
output << std::setw(4) << lineNumber++ << ": " << line << std::endl;
}
return output.str();
}
void StringTrimEndNonAlphaNum(char *str) {
ssize_t n = strlen(str);
while (!isalnum(str[n]) && n >= 0) {
str[n--] = '\0';
}
}
void SkipSpace(const char **ptr) {
while (**ptr && isspace(**ptr)) {
(*ptr)++;
}
}
void StringUpper(char *str) {
while (*str) {
*str = toupper(*str);
str++;
}
}
void StringUpper(char *str, int len) {
while (len--) {
*str = toupper(*str);
str++;
}
}
unsigned int parseHex(const char *_szValue)
{
int Value = 0;
size_t Finish = strlen(_szValue);
if (Finish > 8 ) { Finish = 8; }
for (size_t Count = 0; Count < Finish; Count++) {
Value = (Value << 4);
switch( _szValue[Count] ) {
case '0': break;
case '1': Value += 1; break;
case '2': Value += 2; break;
case '3': Value += 3; break;
case '4': Value += 4; break;
case '5': Value += 5; break;
case '6': Value += 6; break;
case '7': Value += 7; break;
case '8': Value += 8; break;
case '9': Value += 9; break;
case 'A': Value += 10; break;
case 'a': Value += 10; break;
case 'B': Value += 11; break;
case 'b': Value += 11; break;
case 'C': Value += 12; break;
case 'c': Value += 12; break;
case 'D': Value += 13; break;
case 'd': Value += 13; break;
case 'E': Value += 14; break;
case 'e': Value += 14; break;
case 'F': Value += 15; break;
case 'f': Value += 15; break;
default:
Value = (Value >> 4);
Count = Finish;
}
}
return Value;
}
void DataToHexString(const uint8_t *data, size_t size, std::string *output) {
Buffer buffer;
for (size_t i = 0; i < size; i++) {
buffer.Printf("%02x ", data[i]);
if (i && !(i & 15))
buffer.Printf("\n");
}
buffer.TakeAll(output);
}
std::string StringFromFormat(const char* format, ...)
{
va_list args;
std::string temp = "";
#ifdef _WIN32
int required = 0;
va_start(args, format);
required = _vscprintf(format, args);
// Using + 2 to be safe between MSVC versions.
// In MSVC 2015 and later, vsnprintf counts the trailing zero (per c++11.)
temp.resize(required + 2);
if (vsnprintf(&temp[0], required + 1, format, args) < 0) {
temp.resize(0);
} else {
temp.resize(required);
}
va_end(args);
#else
char *buf = nullptr;
va_start(args, format);
if (vasprintf(&buf, format, args) < 0)
buf = nullptr;
va_end(args);
if (buf != nullptr) {
temp = buf;
free(buf);
}
#endif
return temp;
}
std::string StringFromInt(int value)
{
char temp[16];
sprintf(temp, "%i", value);
return temp;
}
std::string StringFromBool(bool value)
{
return value ? "True" : "False";
}
// Turns " hej " into "hej". Also handles tabs.
std::string StripSpaces(const std::string &str)
{
const size_t s = str.find_first_not_of(" \t\r\n");
if (str.npos != s)
return str.substr(s, str.find_last_not_of(" \t\r\n") - s + 1);
else
return "";
}
// "\"hello\"" is turned to "hello"
// This one assumes that the string has already been space stripped in both
// ends, as done by StripSpaces above, for example.
std::string StripQuotes(const std::string& s)
{
if (s.size() && '\"' == s[0] && '\"' == *s.rbegin())
return s.substr(1, s.size() - 2);
else
return s;
}
// For Debugging. Read out an u8 array.
std::string ArrayToString(const uint8_t *data, uint32_t size, int line_len, bool spaces)
{
std::ostringstream oss;
oss << std::setfill('0') << std::hex;
for (int line = 0; size; ++data, --size)
{
oss << std::setw(2) << (int)*data;
if (line_len == ++line)
{
oss << '\n';
line = 0;
}
else if (spaces)
oss << ' ';
}
return oss.str();
}
bool TryParse(const std::string &str, uint32_t *const output)
{
char *endptr = NULL;
// Holy crap this is ugly.
// Reset errno to a value other than ERANGE
errno = 0;
unsigned long value = strtoul(str.c_str(), &endptr, 0);
if (!endptr || *endptr)
return false;
if (errno == ERANGE)
return false;
if (ULONG_MAX > UINT_MAX) {
#ifdef _MSC_VER
#pragma warning (disable:4309)
#endif
// Note: The typecasts avoid GCC warnings when long is 32 bits wide.
if (value >= static_cast<unsigned long>(0x100000000ull)
&& value <= static_cast<unsigned long>(0xFFFFFFFF00000000ull))
return false;
}
*output = static_cast<uint32_t>(value);
return true;
}
bool TryParse(const std::string &str, bool *const output)
{
if ("1" == str || !strcasecmp("true", str.c_str()))
*output = true;
else if ("0" == str || !strcasecmp("false", str.c_str()))
*output = false;
else
return false;
return true;
}
void SplitString(const std::string& str, const char delim, std::vector<std::string>& output)
{
size_t next = 0;
for (size_t pos = 0, len = str.length(); pos < len; ++pos) {
if (str[pos] == delim) {
output.push_back(str.substr(next, pos - next));
// Skip the delimiter itself.
next = pos + 1;
}
}
if (next == 0) {
output.push_back(str);
} else if (next < str.length()) {
output.push_back(str.substr(next));
}
}
void GetQuotedStrings(const std::string& str, std::vector<std::string>& output)
{
size_t next = 0;
bool even = 0;
for (size_t pos = 0, len = str.length(); pos < len; ++pos) {
if (str[pos] == '\"' || str[pos] == '\'') {
if (even) {
//quoted text
output.push_back(str.substr(next, pos - next));
even = 0;
} else {
//non quoted text
even = 1;
}
// Skip the delimiter itself.
next = pos + 1;
}
}
}
std::string ReplaceAll(std::string result, const std::string& src, const std::string& dest)
{
size_t pos = 0;
if (src == dest)
return result;
while(1)
{
pos = result.find(src, pos);
if (pos == result.npos)
break;
result.replace(pos, src.size(), dest);
pos += dest.size();
}
return result;
}
int strcmpIgnore(std::string str1, std::string str2, std::string ignorestr1, std::string ignorestr2) {
str1 = ReplaceAll(str1, ignorestr1, ignorestr2);
str2 = ReplaceAll(str2, ignorestr1, ignorestr2);
return strcmp(str1.c_str(),str2.c_str());
}