541 lines
11 KiB
C++
541 lines
11 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
|
|
* This file is part of 0 A.D.
|
|
*
|
|
* 0 A.D. is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 0 A.D. is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* File : CStr.cpp
|
|
* Project : engine
|
|
* Description : Controls compilation of CStr class and
|
|
* : includes some function implementations.
|
|
**/
|
|
#include "precompiled.h"
|
|
|
|
#ifndef CStr_CPP_FIRST
|
|
#define CStr_CPP_FIRST
|
|
|
|
#include "lib/posix/posix_sock.h" // htons, ntohs
|
|
#include "lib/fnv_hash.h"
|
|
#include "lib/wchar.h"
|
|
#include "network/Serialization.h"
|
|
#include <cassert>
|
|
|
|
#include <sstream>
|
|
|
|
#define UNIDOUBLER_HEADER "CStr.cpp"
|
|
#include "UniDoubler.h"
|
|
|
|
|
|
// Only include these function definitions in the first instance of CStr.cpp:
|
|
|
|
CStrW::CStrW(const CStr8 &asciStr) : std::wstring(asciStr.begin(), asciStr.end()) {}
|
|
CStr8::CStr8(const CStrW& wideStr) : std:: string(wideStr.begin(), wideStr.end()) {}
|
|
|
|
/**
|
|
* Convert CStr to UTF-8
|
|
*
|
|
* @return CStr8 converted string
|
|
**/
|
|
CStr8 CStrW::ToUTF8() const
|
|
{
|
|
return utf8_from_wstring(*this);
|
|
}
|
|
|
|
/**
|
|
* Convert UTF-8 to CStr
|
|
*
|
|
* @return CStrW converted string
|
|
**/
|
|
CStrW CStr8::FromUTF8() const
|
|
{
|
|
return wstring_from_utf8(*this);
|
|
}
|
|
|
|
#else
|
|
|
|
// The following code is compiled twice, as CStrW then as CStr8:
|
|
|
|
#include "CStr.h"
|
|
|
|
#include <sstream>
|
|
|
|
#ifdef _UNICODE
|
|
#define tstringstream wstringstream
|
|
#define _tstod wcstod
|
|
#define _ttoi(a) wcstol(a, NULL, 0)
|
|
#define _ttol(a) wcstol(a, NULL, 0)
|
|
#define _istspace iswspace
|
|
#define _totlower towlower
|
|
#define _totupper towupper
|
|
#else
|
|
#define tstringstream stringstream
|
|
#define _tstod strtod
|
|
#define _ttoi atoi
|
|
#define _ttol atol
|
|
#define _istspace isspace
|
|
#define _totlower tolower
|
|
#define _totupper toupper
|
|
#endif
|
|
|
|
CStr CStr::Repeat(const CStr& String, size_t Reps)
|
|
{
|
|
CStr ret;
|
|
ret.reserve(String.length() * Reps);
|
|
while (Reps--) ret += String;
|
|
return ret;
|
|
}
|
|
|
|
// Construction and assignment from numbers:
|
|
|
|
#define NUM_TYPE(T) \
|
|
CStr::CStr(T Number) \
|
|
{ \
|
|
std::tstringstream ss; \
|
|
ss << Number; \
|
|
ss >> *this; \
|
|
} \
|
|
\
|
|
CStr& CStr::operator=(T Number) \
|
|
{ \
|
|
std::tstringstream ss; \
|
|
ss << Number; \
|
|
ss >> *this; \
|
|
return *this; \
|
|
}
|
|
|
|
NUM_TYPE(int)
|
|
NUM_TYPE(long)
|
|
NUM_TYPE(unsigned int)
|
|
NUM_TYPE(unsigned long)
|
|
NUM_TYPE(float)
|
|
NUM_TYPE(double)
|
|
|
|
#undef NUM_TYPE
|
|
|
|
// Conversion to numbers:
|
|
|
|
int CStr::ToInt() const
|
|
{
|
|
return _ttoi(c_str());
|
|
}
|
|
|
|
unsigned int CStr::ToUInt() const
|
|
{
|
|
return (unsigned int)_ttoi(c_str());
|
|
}
|
|
|
|
long CStr::ToLong() const
|
|
{
|
|
return _ttol(c_str());
|
|
}
|
|
|
|
unsigned long CStr::ToULong() const
|
|
{
|
|
return (unsigned long)_ttol(c_str());
|
|
}
|
|
|
|
float CStr::ToFloat() const
|
|
{
|
|
return (float)_tstod(c_str(), NULL);
|
|
}
|
|
|
|
double CStr::ToDouble() const
|
|
{
|
|
return _tstod(c_str(), NULL);
|
|
}
|
|
|
|
|
|
// Search the string for another string
|
|
long CStr::Find(const CStr& Str) const
|
|
{
|
|
size_t Pos = find(Str, 0);
|
|
|
|
if (Pos != npos)
|
|
return (long)Pos;
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Search the string for another string
|
|
long CStr::Find(const tchar chr) const
|
|
{
|
|
size_t Pos = find(chr, 0);
|
|
|
|
if (Pos != npos)
|
|
return (long)Pos;
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Search the string for another string
|
|
long CStr::Find(const int start, const tchar chr) const
|
|
{
|
|
size_t Pos = find(chr, start);
|
|
|
|
if (Pos != npos)
|
|
return (long)Pos;
|
|
|
|
return -1;
|
|
}
|
|
|
|
long CStr::FindInsensitive(const int start, const tchar chr) const { return LowerCase().Find(start, _totlower(chr)); }
|
|
long CStr::FindInsensitive(const tchar chr) const { return LowerCase().Find(_totlower(chr)); }
|
|
long CStr::FindInsensitive(const CStr& Str) const { return LowerCase().Find(Str.LowerCase()); }
|
|
|
|
|
|
long CStr::ReverseFind(const CStr& Str) const
|
|
{
|
|
size_t Pos = rfind(Str, length() );
|
|
|
|
if (Pos != npos)
|
|
return (long)Pos;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
// Lowercase and uppercase
|
|
CStr CStr::LowerCase() const
|
|
{
|
|
std::tstring NewString = *this;
|
|
for (size_t i = 0; i < length(); i++)
|
|
NewString[i] = (tchar)_totlower((*this)[i]);
|
|
|
|
return NewString;
|
|
}
|
|
|
|
CStr CStr::UpperCase() const
|
|
{
|
|
std::tstring NewString = *this;
|
|
for (size_t i = 0; i < length(); i++)
|
|
NewString[i] = (tchar)_totupper((*this)[i]);
|
|
|
|
return NewString;
|
|
}
|
|
|
|
|
|
// Retrieve the substring of the first n characters
|
|
CStr CStr::Left(size_t len) const
|
|
{
|
|
debug_assert(len <= length());
|
|
return substr(0, len);
|
|
}
|
|
|
|
// Retrieve the substring of the last n characters
|
|
CStr CStr::Right(size_t len) const
|
|
{
|
|
debug_assert(len <= length());
|
|
return substr(length()-len, len);
|
|
}
|
|
|
|
// Retrieve the substring following the last occurrence of Str
|
|
// (or the whole string if it doesn't contain Str)
|
|
CStr CStr::AfterLast(const CStr& Str, size_t startPos) const
|
|
{
|
|
size_t pos = rfind(Str, startPos);
|
|
if (pos == npos)
|
|
return *this;
|
|
else
|
|
return substr(pos + Str.length());
|
|
}
|
|
|
|
// Retrieve the substring preceding the last occurrence of Str
|
|
// (or the whole string if it doesn't contain Str)
|
|
CStr CStr::BeforeLast(const CStr& Str, size_t startPos) const
|
|
{
|
|
size_t pos = rfind(Str, startPos);
|
|
if (pos == npos)
|
|
return *this;
|
|
else
|
|
return substr(0, pos);
|
|
}
|
|
|
|
// Retrieve the substring following the first occurrence of Str
|
|
// (or the whole string if it doesn't contain Str)
|
|
CStr CStr::AfterFirst(const CStr& Str, size_t startPos) const
|
|
{
|
|
size_t pos = find(Str, startPos);
|
|
if (pos == npos)
|
|
return *this;
|
|
else
|
|
return substr(pos + Str.length());
|
|
}
|
|
|
|
// Retrieve the substring preceding the first occurrence of Str
|
|
// (or the whole string if it doesn't contain Str)
|
|
CStr CStr::BeforeFirst(const CStr& Str, size_t startPos) const
|
|
{
|
|
size_t pos = find(Str, startPos);
|
|
if (pos == npos)
|
|
return *this;
|
|
else
|
|
return substr(0, pos);
|
|
}
|
|
|
|
// Remove all occurrences of some character or substring
|
|
void CStr::Remove(const CStr& Str)
|
|
{
|
|
size_t FoundAt = 0;
|
|
while (FoundAt != npos)
|
|
{
|
|
FoundAt = find(Str, 0);
|
|
|
|
if (FoundAt != npos)
|
|
erase(FoundAt, Str.length());
|
|
}
|
|
}
|
|
|
|
// Replace all occurrences of some substring by another
|
|
void CStr::Replace(const CStr& ToReplace, const CStr& ReplaceWith)
|
|
{
|
|
size_t Pos = 0;
|
|
|
|
while (Pos != npos)
|
|
{
|
|
Pos = find(ToReplace, Pos);
|
|
if (Pos != npos)
|
|
{
|
|
erase(Pos, ToReplace.length());
|
|
insert(Pos, ReplaceWith);
|
|
Pos += ReplaceWith.length();
|
|
}
|
|
}
|
|
}
|
|
|
|
CStr CStr::UnescapeBackslashes() const
|
|
{
|
|
// Currently only handle \n and \\, because they're the only interesting ones
|
|
CStr NewString;
|
|
bool escaping = false;
|
|
for (size_t i = 0; i < length(); i++)
|
|
{
|
|
tchar ch = (*this)[i];
|
|
if (escaping)
|
|
{
|
|
switch (ch)
|
|
{
|
|
case 'n': NewString += '\n'; break;
|
|
default: NewString += ch; break;
|
|
}
|
|
escaping = false;
|
|
}
|
|
else
|
|
{
|
|
if (ch == '\\')
|
|
escaping = true;
|
|
else
|
|
NewString += ch;
|
|
}
|
|
}
|
|
return NewString;
|
|
}
|
|
|
|
// Returns a trimmed string, removes whitespace from the left/right/both
|
|
CStr CStr::Trim(PS_TRIM_MODE Mode) const
|
|
{
|
|
size_t Left = 0, Right = 0;
|
|
|
|
switch (Mode)
|
|
{
|
|
case PS_TRIM_LEFT:
|
|
{
|
|
for (Left = 0; Left < length(); Left++)
|
|
if (_istspace((*this)[Left]) == false)
|
|
break; // end found, trim 0 to Left-1 inclusive
|
|
} break;
|
|
|
|
case PS_TRIM_RIGHT:
|
|
{
|
|
Right = length();
|
|
while (Right--)
|
|
if (_istspace((*this)[Right]) == false)
|
|
break; // end found, trim len-1 to Right+1 inclusive
|
|
} break;
|
|
|
|
case PS_TRIM_BOTH:
|
|
{
|
|
for (Left = 0; Left < length(); Left++)
|
|
if (_istspace((*this)[Left]) == false)
|
|
break; // end found, trim 0 to Left-1 inclusive
|
|
|
|
Right = length();
|
|
while (Right--)
|
|
if (_istspace((*this)[Right]) == false)
|
|
break; // end found, trim len-1 to Right+1 inclusive
|
|
} break;
|
|
|
|
default:
|
|
debug_warn(L"CStr::Trim: invalid Mode");
|
|
}
|
|
|
|
|
|
return substr(Left, Right-Left+1);
|
|
}
|
|
|
|
CStr CStr::Pad(PS_TRIM_MODE Mode, size_t Length) const
|
|
{
|
|
size_t Left = 0, Right = 0;
|
|
|
|
if (Length <= length())
|
|
return *this;
|
|
|
|
// From here: Length-length() >= 1
|
|
|
|
switch (Mode)
|
|
{
|
|
case PS_TRIM_LEFT:
|
|
Left = Length - length();
|
|
break;
|
|
|
|
case PS_TRIM_RIGHT:
|
|
Right = Length - length();
|
|
break;
|
|
|
|
case PS_TRIM_BOTH:
|
|
Left = (Length - length() + 1)/2;
|
|
Right = (Length - length() - 1)/2; // cannot be negative
|
|
break;
|
|
|
|
default:
|
|
debug_warn(L"CStr::Trim: invalid Mode");
|
|
}
|
|
|
|
return std::tstring(Left, _T(' ')) + *this + std::tstring(Right, _T(' '));
|
|
}
|
|
|
|
// Concatenation:
|
|
|
|
CStr CStr::operator+(const CStr& Str)
|
|
{
|
|
CStr tmp(*this);
|
|
tmp += Str;
|
|
return tmp;
|
|
}
|
|
|
|
CStr CStr::operator+(const tchar* Str)
|
|
{
|
|
CStr tmp(*this);
|
|
tmp += Str;
|
|
return tmp;
|
|
}
|
|
|
|
// Joining ASCII and Unicode strings:
|
|
#ifndef _UNICODE
|
|
CStr8 CStr::operator+(const CStrW& Str)
|
|
{
|
|
return std::operator+(*this, CStr8(Str));
|
|
}
|
|
#else
|
|
CStrW CStr::operator+(const CStr8& Str)
|
|
{
|
|
return std::operator+(*this, CStrW(Str));
|
|
}
|
|
#endif
|
|
|
|
|
|
CStr::operator const tchar*() const
|
|
{
|
|
return c_str();
|
|
}
|
|
|
|
|
|
size_t CStr::GetHashCode() const
|
|
{
|
|
return (size_t)fnv_hash(data(), length()*sizeof(value_type));
|
|
// janwas 2005-03-18: now use 32-bit version; 64 is slower and
|
|
// the result was truncated down to 32 anyway.
|
|
}
|
|
|
|
#ifdef _UNICODE
|
|
/*
|
|
CStrW is always serialized to/from UTF-16
|
|
*/
|
|
|
|
u8* CStrW::Serialize(u8* buffer) const
|
|
{
|
|
size_t len = length();
|
|
size_t i = 0;
|
|
for (i = 0; i < len; i++)
|
|
*(u16 *)(buffer + i*2) = htons((*this)[i]); // convert to network order (big-endian)
|
|
*(u16 *)(buffer + i*2) = 0;
|
|
return buffer + len*2 + 2;
|
|
}
|
|
|
|
const u8* CStrW::Deserialize(const u8* buffer, const u8* bufferend)
|
|
{
|
|
const u16 *strend = (const u16 *)buffer;
|
|
while ((const u8 *)strend < bufferend && *strend) strend++;
|
|
if ((const u8 *)strend >= bufferend) return NULL;
|
|
|
|
resize(strend - (const u16 *)buffer);
|
|
const u16 *ptr = (const u16 *)buffer;
|
|
|
|
std::wstring::iterator str = begin();
|
|
while (ptr < strend)
|
|
*(str++) = (tchar)ntohs(*(ptr++)); // convert from network order (big-endian)
|
|
|
|
return (const u8 *)(strend+1);
|
|
}
|
|
|
|
size_t CStr::GetSerializedLength() const
|
|
{
|
|
return size_t(length()*2 + 2);
|
|
}
|
|
|
|
#else
|
|
/*
|
|
CStr8 is always serialized to/from ASCII (or whatever 8-bit codepage stored
|
|
in the CStr)
|
|
*/
|
|
|
|
u8* CStr8::Serialize(u8* buffer) const
|
|
{
|
|
size_t len = length();
|
|
size_t i = 0;
|
|
for (i = 0; i < len; i++)
|
|
buffer[i] = (*this)[i];
|
|
buffer[i] = 0;
|
|
return buffer+len+1;
|
|
}
|
|
|
|
const u8* CStr8::Deserialize(const u8* buffer, const u8* bufferend)
|
|
{
|
|
const u8 *strend = buffer;
|
|
while (strend < bufferend && *strend) strend++;
|
|
if (strend >= bufferend) return NULL;
|
|
|
|
*this = std::string(buffer, strend);
|
|
|
|
return strend+1;
|
|
}
|
|
|
|
size_t CStr::GetSerializedLength() const
|
|
{
|
|
return size_t(length() + 1);
|
|
}
|
|
|
|
#endif // _UNICODE
|
|
|
|
// Clean up, to keep the second pass through unidoubler happy
|
|
#undef tstringstream
|
|
#undef _tstod
|
|
#undef _ttoi
|
|
#undef _ttol
|
|
#undef _istspace
|
|
#undef _totlower
|
|
#undef _totupper
|
|
|
|
#endif // CStr_CPP_FIRST
|