361 lines
6.7 KiB
C++
Executable File
361 lines
6.7 KiB
C++
Executable File
#include "precompiled.h"
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#ifndef CStr_CPP_FIRST
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#define CStr_CPP_FIRST
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#include "Network/Serialization.h"
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#include <cassert>
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#define UNIDOUBLER_HEADER "CStr.cpp"
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#include "UniDoubler.h"
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// Only include these function definitions in the first instance of CStr.cpp:
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CStrW::CStrW(const CStr8 &asciStr) : std::wstring(asciStr.begin(), asciStr.end()) {}
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CStr8::CStr8(const CStrW &wideStr) : std::string(wideStr.begin(), wideStr.end()) {}
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#else
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#include "CStr.h"
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using namespace std;
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#include <sstream>
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// Construction and assignment from numbers:
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#define NUM_TYPE(T) \
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CStr::CStr(T Number) \
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{ \
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std::tstringstream ss; \
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ss << Number; \
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ss >> *this; \
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} \
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\
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CStr& CStr::operator=(T Number) \
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{ \
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std::tstringstream ss; \
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ss << Number; \
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ss >> *this; \
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return *this; \
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}
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NUM_TYPE(int)
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NUM_TYPE(long)
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NUM_TYPE(unsigned int)
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NUM_TYPE(unsigned long)
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NUM_TYPE(float)
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NUM_TYPE(double)
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#undef NUM_TYPE
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// Conversion to numbers:
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int CStr::ToInt() const
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{
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return _ttoi(c_str());
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}
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unsigned int CStr::ToUInt() const
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{
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return uint(_ttoi(c_str()));
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}
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long CStr::ToLong() const
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{
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return _ttol(c_str());
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}
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unsigned long CStr::ToULong() const
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{
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return ulong(_ttol(c_str()));
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}
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float CStr::ToFloat() const
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{
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return (float)_tstod(c_str(), NULL);
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}
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double CStr::ToDouble() const
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{
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return _tstod(c_str(), NULL);
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}
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// Retrieves at most 'len' characters, starting at 'start'
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CStr CStr::GetSubstring(size_t start, size_t len) const
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{
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return substr(start, len);
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}
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// Search the string for another string
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long CStr::Find(const CStr& Str) const
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{
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size_t Pos = find(Str, 0);
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if (Pos != npos)
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return (long)Pos;
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return -1;
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}
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// Search the string for another string
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long CStr::Find(const TCHAR &tchar) const
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{
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size_t Pos = find(tchar, 0);
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if (Pos != npos)
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return (long)Pos;
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return -1;
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}
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// Search the string for another string
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long CStr::Find(const int &start, const TCHAR &tchar) const
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{
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size_t Pos = find(tchar, start);
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if (Pos != npos)
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return (long)Pos;
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return -1;
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}
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long CStr::ReverseFind(const CStr& Str) const
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{
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size_t Pos = rfind(Str, length() );
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if (Pos != npos)
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return (long)Pos;
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return -1;
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}
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// Lowercase and uppercase
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CStr CStr::LowerCase() const
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{
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tstring NewString = *this;
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for (size_t i = 0; i < length(); i++)
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NewString[i] = (TCHAR)_totlower((*this)[i]);
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return NewString;
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}
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CStr CStr::UpperCase() const
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{
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tstring NewString = *this;
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for (size_t i = 0; i < length(); i++)
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NewString[i] = (TCHAR)_totupper((*this)[i]);
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return NewString;
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}
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// Lazy versions
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// code duplication because return by value overhead if they were merely an alias
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CStr CStr::LCase() const
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{
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tstring NewString = *this;
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for (size_t i = 0; i < length(); i++)
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NewString[i] = (TCHAR)_totlower((*this)[i]);
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return NewString;
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}
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CStr CStr::UCase() const
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{
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tstring NewString = *this;
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for (size_t i = 0; i < length(); i++)
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NewString[i] = (TCHAR)_totupper((*this)[i]);
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return NewString;
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}
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// Retrieve the substring of the first n characters
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CStr CStr::Left(long len) const
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{
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return substr(0, len);
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}
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// Retrieve the substring of the last n characters
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CStr CStr::Right(long len) const
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{
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return substr(length()-len, len);
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}
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// Remove all occurrences of some character or substring
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void CStr::Remove(const CStr& Str)
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{
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size_t FoundAt = 0;
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while (FoundAt != npos)
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{
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FoundAt = find(Str, 0);
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if (FoundAt != npos)
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erase(FoundAt, Str.length());
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}
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}
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// Replace all occurrences of some substring by another
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void CStr::Replace(const CStr& ToReplace, const CStr& ReplaceWith)
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{
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size_t Pos = 0;
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while (Pos != npos)
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{
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Pos = find(ToReplace, Pos);
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if (Pos != npos)
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{
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erase(Pos, ToReplace.length());
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insert(Pos, ReplaceWith);
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Pos += ReplaceWith.length();
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}
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}
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}
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// Returns a trimmed string, removes whitespace from the left/right/both
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CStr CStr::Trim(PS_TRIM_MODE Mode) const
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{
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size_t Left = 0, Right = 0;
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switch (Mode)
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{
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case PS_TRIM_LEFT:
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{
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for (Left = 0; Left < length(); Left++)
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if (_istspace((*this)[Left]) == false)
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break; // end found, trim 0 to Left-1 inclusive
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} break;
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case PS_TRIM_RIGHT:
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{
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Right = length();
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while (Right--)
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if (_istspace((*this)[Right]) == false)
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break; // end found, trim len-1 to Right+1 inclusive
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} break;
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case PS_TRIM_BOTH:
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{
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for (Left = 0; Left < length(); Left++)
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if (_istspace((*this)[Left]) == false)
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break; // end found, trim 0 to Left-1 inclusive
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Right = length();
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while (Right--)
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if (_istspace((*this)[Right]) == false)
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break; // end found, trim len-1 to Right+1 inclusive
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} break;
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default:
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debug_warn("CStr::Trim: invalid Mode");
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}
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return substr(Left, Right-Left+1);
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}
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// Concatenation:
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CStr CStr::operator+(const CStr& Str)
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{
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return std::operator+(*this, std::tstring(Str));
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}
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CStr CStr::operator+(const TCHAR* Str)
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{
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return std::operator+(*this, std::tstring(Str));
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}
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// Joining ASCII and Unicode strings:
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#ifndef _UNICODE
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CStr8 CStr::operator+(const CStrW& Str)
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{
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return std::operator+(*this, CStr8(Str));
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}
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#else
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CStrW CStr::operator+(const CStr8& Str)
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{
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return std::operator+(*this, CStrW(Str));
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}
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#endif
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CStr::operator const TCHAR*() const
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{
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return c_str();
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}
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size_t CStr::GetHashCode() const
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{
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return (size_t)fnv_hash64(data(), length());
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// janwas asks: do we care about the hash being 64 bits?
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// it is truncated here on 32-bit systems; why go 64 bit at all?
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}
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uint CStr::GetSerializedLength() const
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{
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return uint(length()*2 + 2);
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}
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#ifdef _UNICODE
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/*
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CStrW is always serialized to/from UTF-16
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*/
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u8 *CStrW::Serialize(u8 *buffer) const
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{
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size_t len = length();
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size_t i = 0;
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for (i = 0; i < len; i++)
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*(u16 *)(buffer + i*2) = htons((*this)[i]); // convert to network order (big-endian)
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*(u16 *)(buffer+i*2) = 0;
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return buffer+len*2+2;
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}
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const u8 *CStrW::Deserialize(const u8 *buffer, const u8 *bufferend)
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{
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const u16 *strend = (const u16 *)buffer;
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while ((const u8 *)strend < bufferend && *strend) strend++;
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if ((const u8 *)strend >= bufferend) return NULL;
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resize(strend - (const u16 *)buffer);
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size_t i = 0;
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const u16 *ptr = (const u16 *)buffer;
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std::wstring::iterator str = begin();
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while (ptr < strend)
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*(str++) = (TCHAR)ntohs(*(ptr++)); // convert from network order (big-endian)
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return (const u8 *)(strend+1);
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}
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#else
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/*
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CStr8 is always serialized to/from ASCII (or whatever 8-bit codepage stored
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in the CStr)
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*/
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u8 *CStr8::Serialize(u8 *buffer) const
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{
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size_t len = length();
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size_t i = 0;
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for (i = 0; i < len; i++)
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buffer[i] = (*this)[i];
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buffer[i] = 0;
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return buffer+len+1;
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}
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const u8 *CStr8::Deserialize(const u8 *buffer, const u8 *bufferend)
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{
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const u8 *strend = buffer;
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while (strend < bufferend && *strend) strend++;
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if (strend >= bufferend) return NULL;
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*this = std::string(buffer, strend);
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return strend+1;
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}
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#endif // _UNICODE
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#endif // CStr_CPP_FIRST
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