diff options
Diffstat (limited to 'src/libs/3rdparty/7zip/unix/CPP/Common/MyString.cpp')
| -rw-r--r-- | src/libs/3rdparty/7zip/unix/CPP/Common/MyString.cpp | 1215 |
1 files changed, 1215 insertions, 0 deletions
diff --git a/src/libs/3rdparty/7zip/unix/CPP/Common/MyString.cpp b/src/libs/3rdparty/7zip/unix/CPP/Common/MyString.cpp new file mode 100644 index 000000000..6fbfa334b --- /dev/null +++ b/src/libs/3rdparty/7zip/unix/CPP/Common/MyString.cpp @@ -0,0 +1,1215 @@ +// Common/MyString.cpp + +#include "StdAfx.h" + +#ifdef _WIN32 +#include <windows.h> +#include <wchar.h> +#else +#include <ctype.h> +#endif + +#if !defined(_UNICODE) || !defined(USE_UNICODE_FSTRING) +#include "StringConvert.h" +#endif + +#include "MyString.h" + +#define MY_STRING_NEW(_T_, _size_) new _T_[_size_] +// #define MY_STRING_NEW(_T_, _size_) ((_T_ *)my_new((size_t)(_size_) * sizeof(_T_))) + +/* +inline const char* MyStringGetNextCharPointer(const char *p) throw() +{ + #if defined(_WIN32) && !defined(UNDER_CE) + return CharNextA(p); + #else + return p + 1; + #endif +} +*/ + +int FindCharPosInString(const char *s, char c) throw() +{ + for (const char *p = s;; p++) + { + if (*p == c) + return (int)(p - s); + if (*p == 0) + return -1; + // MyStringGetNextCharPointer(p); + } +} + +int FindCharPosInString(const wchar_t *s, wchar_t c) throw() +{ + for (const wchar_t *p = s;; p++) + { + if (*p == c) + return (int)(p - s); + if (*p == 0) + return -1; + } +} + +/* +void MyStringUpper_Ascii(wchar_t *s) +{ + for (;;) + { + wchar_t c = *s; + if (c == 0) + return; + *s++ = MyCharUpper_Ascii(c); + } +} +*/ + +void MyStringLower_Ascii(wchar_t *s) throw() +{ + for (;;) + { + wchar_t c = *s; + if (c == 0) + return; + *s++ = MyCharLower_Ascii(c); + } +} + +#ifdef _WIN32 + +#ifdef _UNICODE + +// wchar_t * MyStringUpper(wchar_t *s) { return CharUpperW(s); } +// wchar_t * MyStringLower(wchar_t *s) { return CharLowerW(s); } +// for WinCE - FString - char +// const char *MyStringGetPrevCharPointer(const char * /* base */, const char *p) { return p - 1; } + +#else + +// const char * MyStringGetPrevCharPointer(const char *base, const char *p) throw() { return CharPrevA(base, p); } +// char * MyStringUpper(char *s) { return CharUpperA(s); } +// char * MyStringLower(char *s) { return CharLowerA(s); } + +wchar_t MyCharUpper_WIN(wchar_t c) throw() +{ + wchar_t *res = CharUpperW((LPWSTR)(UINT_PTR)(unsigned)c); + if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) + return (wchar_t)(unsigned)(UINT_PTR)res; + const int kBufSize = 4; + char s[kBufSize + 1]; + int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufSize, 0, 0); + if (numChars == 0 || numChars > kBufSize) + return c; + s[numChars] = 0; + ::CharUpperA(s); + ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1); + return c; +} + +/* +wchar_t MyCharLower_WIN(wchar_t c) +{ + wchar_t *res = CharLowerW((LPWSTR)(UINT_PTR)(unsigned)c); + if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) + return (wchar_t)(unsigned)(UINT_PTR)res; + const int kBufSize = 4; + char s[kBufSize + 1]; + int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufSize, 0, 0); + if (numChars == 0 || numChars > kBufSize) + return c; + s[numChars] = 0; + ::CharLowerA(s); + ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1); + return c; +} +*/ + +/* +wchar_t * MyStringUpper(wchar_t *s) +{ + if (s == 0) + return 0; + wchar_t *res = CharUpperW(s); + if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) + return res; + AString a = UnicodeStringToMultiByte(s); + a.MakeUpper(); + MyStringCopy(s, (const wchar_t *)MultiByteToUnicodeString(a)); + return s; +} +*/ + +/* +wchar_t * MyStringLower(wchar_t *s) +{ + if (s == 0) + return 0; + wchar_t *res = CharLowerW(s); + if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) + return res; + AString a = UnicodeStringToMultiByte(s); + a.MakeLower(); + MyStringCopy(s, (const wchar_t *)MultiByteToUnicodeString(a)); + return s; +} +*/ + +#endif + +#endif + +bool IsString1PrefixedByString2(const char *s1, const char *s2) throw() +{ + for (;;) + { + unsigned char c2 = (unsigned char)*s2++; if (c2 == 0) return true; + unsigned char c1 = (unsigned char)*s1++; if (c1 != c2) return false; + } +} + +bool StringsAreEqualNoCase(const wchar_t *s1, const wchar_t *s2) throw() +{ + for (;;) + { + wchar_t c1 = *s1++; + wchar_t c2 = *s2++; + if (c1 != c2 && MyCharUpper(c1) != MyCharUpper(c2)) return false; + if (c1 == 0) return true; + } +} + +// ---------- ASCII ---------- + +bool AString::IsPrefixedBy_Ascii_NoCase(const char *s) const throw() +{ + const char *s1 = _chars; + for (;;) + { + char c2 = *s++; + if (c2 == 0) + return true; + char c1 = *s1++; + if (MyCharLower_Ascii(c1) != + MyCharLower_Ascii(c2)) + return false; + } +} + +bool UString::IsPrefixedBy_Ascii_NoCase(const char *s) const throw() +{ + const wchar_t *s1 = _chars; + for (;;) + { + char c2 = *s++; + if (c2 == 0) + return true; + wchar_t c1 = *s1++; + if (MyCharLower_Ascii(c1) != (unsigned char)MyCharLower_Ascii(c2)) + return false; + } +} + +bool StringsAreEqual_Ascii(const wchar_t *u, const char *a) throw() +{ + for (;;) + { + unsigned char c = *a; + if (c != *u) + return false; + if (c == 0) + return true; + a++; + u++; + } +} + +bool StringsAreEqualNoCase_Ascii(const char *s1, const char *s2) throw() +{ + for (;;) + { + char c1 = *s1++; + char c2 = *s2++; + if (c1 != c2 && MyCharLower_Ascii(c1) != MyCharLower_Ascii(c2)) + return false; + if (c1 == 0) + return true; + } +} + +bool StringsAreEqualNoCase_Ascii(const wchar_t *s1, const wchar_t *s2) throw() +{ + for (;;) + { + wchar_t c1 = *s1++; + wchar_t c2 = *s2++; + if (c1 != c2 && MyCharLower_Ascii(c1) != MyCharLower_Ascii(c2)) + return false; + if (c1 == 0) + return true; + } +} + +bool StringsAreEqualNoCase_Ascii(const wchar_t *s1, const char *s2) throw() +{ + for (;;) + { + wchar_t c1 = *s1++; + char c2 = *s2++; + if (c1 != (unsigned char)c2 && (c1 > 0x7F || MyCharLower_Ascii(c1) != (unsigned char)MyCharLower_Ascii(c2))) + return false; + if (c1 == 0) + return true; + } +} + +bool IsString1PrefixedByString2(const wchar_t *s1, const wchar_t *s2) throw() +{ + for (;;) + { + wchar_t c2 = *s2++; if (c2 == 0) return true; + wchar_t c1 = *s1++; if (c1 != c2) return false; + } +} + +// NTFS order: uses upper case +int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2) throw() +{ + for (;;) + { + wchar_t c1 = *s1++; + wchar_t c2 = *s2++; + if (c1 != c2) + { + wchar_t u1 = MyCharUpper(c1); + wchar_t u2 = MyCharUpper(c2); + if (u1 < u2) return -1; + if (u1 > u2) return 1; + } + if (c1 == 0) return 0; + } +} + +int MyStringCompareNoCase_N(const wchar_t *s1, const wchar_t *s2, unsigned num) throw() +{ + for (; num != 0; num--) + { + wchar_t c1 = *s1++; + wchar_t c2 = *s2++; + if (c1 != c2) + { + wchar_t u1 = MyCharUpper(c1); + wchar_t u2 = MyCharUpper(c2); + if (u1 < u2) return -1; + if (u1 > u2) return 1; + } + if (c1 == 0) return 0; + } + return 0; +} + + +// ---------- AString ---------- + +void AString::InsertSpace(unsigned &index, unsigned size) +{ + Grow(size); + MoveItems(index + size, index); +} + +void AString::ReAlloc(unsigned newLimit) +{ + if (newLimit < _len || newLimit >= 0x20000000) throw 20130220; + // MY_STRING_REALLOC(_chars, char, newLimit + 1, _len + 1); + char *newBuf = MY_STRING_NEW(char, newLimit + 1); + memcpy(newBuf, _chars, (size_t)(_len + 1)); \ + MY_STRING_DELETE(_chars); + _chars = newBuf; + + _limit = newLimit; +} + +void AString::SetStartLen(unsigned len) +{ + _chars = 0; + _chars = MY_STRING_NEW(char, len + 1); + _len = len; + _limit = len; +} + +void AString::Grow_1() +{ + unsigned next = _len; + next += next / 2; + next += 16; + next &= ~(unsigned)15; + ReAlloc(next - 1); +} + +void AString::Grow(unsigned n) +{ + unsigned freeSize = _limit - _len; + if (n <= freeSize) + return; + + unsigned next = _len + n; + next += next / 2; + next += 16; + next &= ~(unsigned)15; + ReAlloc(next - 1); +} + +/* +AString::AString(unsigned num, const char *s) +{ + unsigned len = MyStringLen(s); + if (num > len) + num = len; + SetStartLen(num); + memcpy(_chars, s, num); + _chars[num] = 0; +} +*/ + +AString::AString(unsigned num, const AString &s) +{ + if (num > s._len) + num = s._len; + SetStartLen(num); + memcpy(_chars, s._chars, num); + _chars[num] = 0; +} + +AString::AString(const AString &s, char c) +{ + SetStartLen(s.Len() + 1); + char *chars = _chars; + unsigned len = s.Len(); + memcpy(chars, s, len); + chars[len] = c; + chars[len + 1] = 0; +} + +AString::AString(const char *s1, unsigned num1, const char *s2, unsigned num2) +{ + SetStartLen(num1 + num2); + char *chars = _chars; + memcpy(chars, s1, num1); + memcpy(chars + num1, s2, num2 + 1); +} + +AString operator+(const AString &s1, const AString &s2) { return AString(s1, s1.Len(), s2, s2.Len()); } +AString operator+(const AString &s1, const char *s2) { return AString(s1, s1.Len(), s2, MyStringLen(s2)); } +AString operator+(const char *s1, const AString &s2) { return AString(s1, MyStringLen(s1), s2, s2.Len()); } + +AString::AString() +{ + _chars = 0; + _chars = MY_STRING_NEW(char, 4); + _len = 0; + _limit = 4 - 1; + _chars[0] = 0; +} + +AString::AString(char c) +{ + SetStartLen(1); + _chars[0] = c; + _chars[1] = 0; +} + +AString::AString(const char *s) +{ + SetStartLen(MyStringLen(s)); + MyStringCopy(_chars, s); +} + +AString::AString(const AString &s) +{ + SetStartLen(s._len); + MyStringCopy(_chars, s._chars); +} + +AString &AString::operator=(char c) +{ + if (1 > _limit) + { + char *newBuf = MY_STRING_NEW(char, 1 + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = 1; + } + _len = 1; + _chars[0] = c; + _chars[1] = 0; + return *this; +} + +AString &AString::operator=(const char *s) +{ + unsigned len = MyStringLen(s); + if (len > _limit) + { + char *newBuf = MY_STRING_NEW(char, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + _len = len; + MyStringCopy(_chars, s); + return *this; +} + +AString &AString::operator=(const AString &s) +{ + if (&s == this) + return *this; + unsigned len = s._len; + if (len > _limit) + { + char *newBuf = MY_STRING_NEW(char, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + _len = len; + MyStringCopy(_chars, s._chars); + return *this; +} + +AString &AString::operator+=(const char *s) +{ + unsigned len = MyStringLen(s); + Grow(len); + MyStringCopy(_chars + _len, s); + _len += len; + return *this; +} + +AString &AString::operator+=(const AString &s) +{ + Grow(s._len); + MyStringCopy(_chars + _len, s._chars); + _len += s._len; + return *this; +} + +void AString::SetFrom(const char *s, unsigned len) // no check +{ + if (len > _limit) + { + char *newBuf = MY_STRING_NEW(char, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + memcpy(_chars, s, len); + _chars[len] = 0; + _len = len; +} + +int AString::Find(const AString &s, unsigned startIndex) const throw() +{ + if (s.IsEmpty()) + return startIndex; + for (; startIndex < _len; startIndex++) + { + unsigned j; + for (j = 0; j < s._len && startIndex + j < _len; j++) + if (_chars[startIndex + j] != s._chars[j]) + break; + if (j == s._len) + return (int)startIndex; + } + return -1; +} + +int AString::ReverseFind(char c) const throw() +{ + if (_len == 0) + return -1; + const char *p = _chars + _len - 1; + for (;;) + { + if (*p == c) + return (int)(p - _chars); + if (p == _chars) + return -1; + p--; // p = GetPrevCharPointer(_chars, p); + } +} + +void AString::TrimLeft() throw() +{ + const char *p = _chars; + for (;; p++) + { + char c = *p; + if (c != ' ' && c != '\n' && c != '\t') + break; + } + unsigned pos = (unsigned)(p - _chars); + if (pos != 0) + { + MoveItems(0, pos); + _len -= pos; + } +} + +void AString::TrimRight() throw() +{ + const char *p = _chars; + int i; + for (i = _len - 1; i >= 0; i--) + { + char c = p[i]; + if (c != ' ' && c != '\n' && c != '\t') + break; + } + i++; + if ((unsigned)i != _len) + { + _chars[i] = 0; + _len = i; + } +} + +void AString::InsertAtFront(char c) +{ + if (_limit == _len) + Grow_1(); + MoveItems(1, 0); + _chars[0] = c; + _len++; +} + +/* +void AString::Insert(unsigned index, char c) +{ + InsertSpace(index, 1); + _chars[index] = c; + _len++; +} +*/ + +void AString::Insert(unsigned index, const char *s) +{ + unsigned num = MyStringLen(s); + if (num != 0) + { + InsertSpace(index, num); + memcpy(_chars + index, s, num); + _len += num; + } +} + +void AString::Insert(unsigned index, const AString &s) +{ + unsigned num = s.Len(); + if (num != 0) + { + InsertSpace(index, num); + memcpy(_chars + index, s, num); + _len += num; + } +} + +void AString::RemoveChar(char ch) throw() +{ + int pos = Find(ch); + if (pos < 0) + return; + const char *src = _chars; + char *dest = _chars + pos; + pos++; + unsigned len = _len; + for (; (unsigned)pos < len; pos++) + { + char c = src[(unsigned)pos]; + if (c != ch) + *dest++ = c; + } + *dest = 0; + _len = (unsigned)(dest - _chars); +} + +// !!!!!!!!!!!!!!! test it if newChar = '\0' +void AString::Replace(char oldChar, char newChar) throw() +{ + if (oldChar == newChar) + return; // 0; + // unsigned number = 0; + int pos = 0; + while ((unsigned)pos < _len) + { + pos = Find(oldChar, pos); + if (pos < 0) + break; + _chars[pos] = newChar; + pos++; + // number++; + } + return; // number; +} + +void AString::Replace(const AString &oldString, const AString &newString) +{ + if (oldString.IsEmpty()) + return; // 0; + if (oldString == newString) + return; // 0; + unsigned oldLen = oldString.Len(); + unsigned newLen = newString.Len(); + // unsigned number = 0; + int pos = 0; + while ((unsigned)pos < _len) + { + pos = Find(oldString, pos); + if (pos < 0) + break; + Delete(pos, oldLen); + Insert(pos, newString); + pos += newLen; + // number++; + } + // return number; +} + +void AString::Delete(unsigned index) throw() +{ + MoveItems(index, index + 1); + _len--; +} + +void AString::Delete(unsigned index, unsigned count) throw() +{ + if (index + count > _len) + count = _len - index; + if (count > 0) + { + MoveItems(index, index + count); + _len -= count; + } +} + +void AString::DeleteFrontal(unsigned num) throw() +{ + if (num != 0) + { + MoveItems(0, num); + _len -= num; + } +} + +/* +AString operator+(const AString &s1, const AString &s2) +{ + AString result(s1); + result += s2; + return result; +} + +AString operator+(const AString &s, const char *chars) +{ + AString result(s); + result += chars; + return result; +} + +AString operator+(const char *chars, const AString &s) +{ + AString result(chars); + result += s; + return result; +} + +AString operator+(const AString &s, char c) +{ + AString result(s); + result += c; + return result; +} +*/ + +/* +AString operator+(char c, const AString &s) +{ + AString result(c); + result += s; + return result; +} +*/ + + + + +// ---------- UString ---------- + +void UString::InsertSpace(unsigned index, unsigned size) +{ + Grow(size); + MoveItems(index + size, index); +} + +void UString::ReAlloc(unsigned newLimit) +{ + if (newLimit < _len || newLimit >= 0x20000000) throw 20130221; + // MY_STRING_REALLOC(_chars, wchar_t, newLimit + 1, _len + 1); + wchar_t *newBuf = MY_STRING_NEW(wchar_t, newLimit + 1); + wmemcpy(newBuf, _chars, _len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + + _limit = newLimit; +} + +void UString::SetStartLen(unsigned len) +{ + _chars = 0; + _chars = MY_STRING_NEW(wchar_t, len + 1); + _len = len; + _limit = len; +} + +void UString::Grow_1() +{ + unsigned next = _len; + next += next / 2; + next += 16; + next &= ~(unsigned)15; + ReAlloc(next - 1); +} + +void UString::Grow(unsigned n) +{ + unsigned freeSize = _limit - _len; + if (n <= freeSize) + return; + + unsigned next = _len + n; + next += next / 2; + next += 16; + next &= ~(unsigned)15; + ReAlloc(next - 1); +} + + +UString::UString(unsigned num, const wchar_t *s) +{ + unsigned len = MyStringLen(s); + if (num > len) + num = len; + SetStartLen(num); + wmemcpy(_chars, s, num); + _chars[num] = 0; +} + + +UString::UString(unsigned num, const UString &s) +{ + if (num > s._len) + num = s._len; + SetStartLen(num); + wmemcpy(_chars, s._chars, num); + _chars[num] = 0; +} + +UString::UString(const UString &s, wchar_t c) +{ + SetStartLen(s.Len() + 1); + wchar_t *chars = _chars; + unsigned len = s.Len(); + wmemcpy(chars, s, len); + chars[len] = c; + chars[len + 1] = 0; +} + +UString::UString(const wchar_t *s1, unsigned num1, const wchar_t *s2, unsigned num2) +{ + SetStartLen(num1 + num2); + wchar_t *chars = _chars; + wmemcpy(chars, s1, num1); + wmemcpy(chars + num1, s2, num2 + 1); +} + +UString operator+(const UString &s1, const UString &s2) { return UString(s1, s1.Len(), s2, s2.Len()); } +UString operator+(const UString &s1, const wchar_t *s2) { return UString(s1, s1.Len(), s2, MyStringLen(s2)); } +UString operator+(const wchar_t *s1, const UString &s2) { return UString(s1, MyStringLen(s1), s2, s2.Len()); } + +UString::UString() +{ + _chars = 0; + _chars = MY_STRING_NEW(wchar_t, 4); + _len = 0; + _limit = 4 - 1; + _chars[0] = 0; +} + +UString::UString(wchar_t c) +{ + SetStartLen(1); + _chars[0] = c; + _chars[1] = 0; +} + +UString::UString(const wchar_t *s) +{ + SetStartLen(MyStringLen(s)); + MyStringCopy(_chars, s); +} + +UString::UString(const UString &s) +{ + SetStartLen(s._len); + MyStringCopy(_chars, s._chars); +} + +UString &UString::operator=(wchar_t c) +{ + if (1 > _limit) + { + wchar_t *newBuf = MY_STRING_NEW(wchar_t, 1 + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = 1; + } + _len = 1; + _chars[0] = c; + _chars[1] = 0; + return *this; +} + +UString &UString::operator=(const wchar_t *s) +{ + unsigned len = MyStringLen(s); + if (len > _limit) + { + wchar_t *newBuf = MY_STRING_NEW(wchar_t, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + _len = len; + MyStringCopy(_chars, s); + return *this; +} + +UString &UString::operator=(const UString &s) +{ + if (&s == this) + return *this; + unsigned len = s._len; + if (len > _limit) + { + wchar_t *newBuf = MY_STRING_NEW(wchar_t, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + _len = len; + MyStringCopy(_chars, s._chars); + return *this; +} + +UString &UString::operator+=(const wchar_t *s) +{ + unsigned len = MyStringLen(s); + Grow(len); + MyStringCopy(_chars + _len, s); + _len += len; + return *this; +} + +UString &UString::operator+=(const UString &s) +{ + Grow(s._len); + MyStringCopy(_chars + _len, s._chars); + _len += s._len; + return *this; +} + +void UString::SetFrom(const wchar_t *s, unsigned len) // no check +{ + if (len > _limit) + { + wchar_t *newBuf = MY_STRING_NEW(wchar_t, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + wmemcpy(_chars, s, len); + _chars[len] = 0; + _len = len; +} + +void UString::SetFromAscii(const char *s) +{ + unsigned len = MyStringLen(s); + if (len > _limit) + { + wchar_t *newBuf = MY_STRING_NEW(wchar_t, len + 1); + MY_STRING_DELETE(_chars); + _chars = newBuf; + _limit = len; + } + wchar_t *chars = _chars; + for (unsigned i = 0; i < len; i++) + chars[i] = s[i]; + chars[len] = 0; + _len = len; +} + +void UString::AddAsciiStr(const char *s) +{ + unsigned len = MyStringLen(s); + Grow(len); + wchar_t *chars = _chars + _len; + for (unsigned i = 0; i < len; i++) + chars[i] = s[i]; + chars[len] = 0; + _len += len; +} + + + +int UString::Find(const UString &s, unsigned startIndex) const throw() +{ + if (s.IsEmpty()) + return startIndex; + for (; startIndex < _len; startIndex++) + { + unsigned j; + for (j = 0; j < s._len && startIndex + j < _len; j++) + if (_chars[startIndex + j] != s._chars[j]) + break; + if (j == s._len) + return (int)startIndex; + } + return -1; +} + +int UString::ReverseFind(wchar_t c) const throw() +{ + if (_len == 0) + return -1; + const wchar_t *p = _chars + _len - 1; + for (;;) + { + if (*p == c) + return (int)(p - _chars); + if (p == _chars) + return -1; + p--; + } +} + +void UString::TrimLeft() throw() +{ + const wchar_t *p = _chars; + for (;; p++) + { + wchar_t c = *p; + if (c != ' ' && c != '\n' && c != '\t') + break; + } + unsigned pos = (unsigned)(p - _chars); + if (pos != 0) + { + MoveItems(0, pos); + _len -= pos; + } +} + +void UString::TrimRight() throw() +{ + const wchar_t *p = _chars; + int i; + for (i = _len - 1; i >= 0; i--) + { + wchar_t c = p[i]; + if (c != ' ' && c != '\n' && c != '\t') + break; + } + i++; + if ((unsigned)i != _len) + { + _chars[i] = 0; + _len = i; + } +} + +void UString::InsertAtFront(wchar_t c) +{ + if (_limit == _len) + Grow_1(); + MoveItems(1, 0); + _chars[0] = c; + _len++; +} + +/* +void UString::Insert(unsigned index, wchar_t c) +{ + InsertSpace(index, 1); + _chars[index] = c; + _len++; +} +*/ + +void UString::Insert(unsigned index, const wchar_t *s) +{ + unsigned num = MyStringLen(s); + if (num != 0) + { + InsertSpace(index, num); + wmemcpy(_chars + index, s, num); + _len += num; + } +} + +void UString::Insert(unsigned index, const UString &s) +{ + unsigned num = s.Len(); + if (num != 0) + { + InsertSpace(index, num); + wmemcpy(_chars + index, s, num); + _len += num; + } +} + +void UString::RemoveChar(wchar_t ch) throw() +{ + int pos = Find(ch); + if (pos < 0) + return; + const wchar_t *src = _chars; + wchar_t *dest = _chars + pos; + pos++; + unsigned len = _len; + for (; (unsigned)pos < len; pos++) + { + wchar_t c = src[(unsigned)pos]; + if (c != ch) + *dest++ = c; + } + *dest = 0; + _len = (unsigned)(dest - _chars); +} + +// !!!!!!!!!!!!!!! test it if newChar = '\0' +void UString::Replace(wchar_t oldChar, wchar_t newChar) throw() +{ + if (oldChar == newChar) + return; // 0; + // unsigned number = 0; + int pos = 0; + while ((unsigned)pos < _len) + { + pos = Find(oldChar, pos); + if (pos < 0) + break; + _chars[pos] = newChar; + pos++; + // number++; + } + return; // number; +} + +void UString::Replace(const UString &oldString, const UString &newString) +{ + if (oldString.IsEmpty()) + return; // 0; + if (oldString == newString) + return; // 0; + unsigned oldLen = oldString.Len(); + unsigned newLen = newString.Len(); + // unsigned number = 0; + int pos = 0; + while ((unsigned)pos < _len) + { + pos = Find(oldString, pos); + if (pos < 0) + break; + Delete(pos, oldLen); + Insert(pos, newString); + pos += newLen; + // number++; + } + // return number; +} + +void UString::Delete(unsigned index) throw() +{ + MoveItems(index, index + 1); + _len--; +} + +void UString::Delete(unsigned index, unsigned count) throw() +{ + if (index + count > _len) + count = _len - index; + if (count > 0) + { + MoveItems(index, index + count); + _len -= count; + } +} + +void UString::DeleteFrontal(unsigned num) throw() +{ + if (num != 0) + { + MoveItems(0, num); + _len -= num; + } +} + + +// ---------------------------------------- + +/* +int MyStringCompareNoCase(const char *s1, const char *s2) +{ + return MyStringCompareNoCase(MultiByteToUnicodeString(s1), MultiByteToUnicodeString(s2)); +} +*/ + +static inline UINT GetCurrentCodePage() +{ + #if defined(UNDER_CE) || !defined(_WIN32) + return CP_ACP; + #else + return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; + #endif +} + +#ifdef USE_UNICODE_FSTRING + +#ifndef _UNICODE + +AString fs2fas(CFSTR s) +{ + return UnicodeStringToMultiByte(s, GetCurrentCodePage()); +} + +FString fas2fs(const AString &s) +{ + return MultiByteToUnicodeString(s, GetCurrentCodePage()); +} + +#endif + +#else + +UString fs2us(const FString &s) +{ + return MultiByteToUnicodeString((AString)s, GetCurrentCodePage()); +} + +FString us2fs(const wchar_t *s) +{ + return UnicodeStringToMultiByte(s, GetCurrentCodePage()); +} + +#endif |