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-rw-r--r--core/fxcrt/fx_basic_bstring.cpp67
-rw-r--r--core/fxcrt/fx_basic_wstring.cpp1187
-rw-r--r--core/fxcrt/fx_basic_wstring_unittest.cpp10
-rw-r--r--core/fxcrt/include/fx_string.h65
-rw-r--r--core/fxge/ge/fx_ge_text.cpp3
5 files changed, 622 insertions, 710 deletions
diff --git a/core/fxcrt/fx_basic_bstring.cpp b/core/fxcrt/fx_basic_bstring.cpp
index 3e4e9c354e..2c2264a419 100644
--- a/core/fxcrt/fx_basic_bstring.cpp
+++ b/core/fxcrt/fx_basic_bstring.cpp
@@ -6,6 +6,7 @@
#include <stddef.h>
+#include <algorithm>
#include <cctype>
#include "core/fxcrt/include/fx_basic.h"
@@ -48,6 +49,30 @@ int Buffer_itoa(char* buf, int i, uint32_t flags) {
return len;
}
+const FX_CHAR* FX_strstr(const FX_CHAR* haystack,
+ int haystack_len,
+ const FX_CHAR* needle,
+ int needle_len) {
+ if (needle_len > haystack_len || needle_len == 0) {
+ return nullptr;
+ }
+ const FX_CHAR* end_ptr = haystack + haystack_len - needle_len;
+ while (haystack <= end_ptr) {
+ int i = 0;
+ while (1) {
+ if (haystack[i] != needle[i]) {
+ break;
+ }
+ i++;
+ if (i == needle_len) {
+ return haystack;
+ }
+ }
+ haystack++;
+ }
+ return nullptr;
+}
+
} // namespace
CFX_ByteString::CFX_ByteString(const FX_CHAR* pStr, FX_STRSIZE nLen) {
@@ -98,11 +123,12 @@ const CFX_ByteString& CFX_ByteString::operator=(const FX_CHAR* pStr) {
return *this;
}
-const CFX_ByteString& CFX_ByteString::operator=(const CFX_ByteStringC& str) {
- if (str.IsEmpty())
+const CFX_ByteString& CFX_ByteString::operator=(
+ const CFX_ByteStringC& stringSrc) {
+ if (stringSrc.IsEmpty())
clear();
else
- AssignCopy(str.c_str(), str.GetLength());
+ AssignCopy(stringSrc.c_str(), stringSrc.GetLength());
return *this;
}
@@ -317,9 +343,9 @@ FX_STRSIZE CFX_ByteString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount) {
return m_pData->m_nDataLength;
}
ReallocBeforeWrite(nOldLength);
- int nBytesToCopy = nOldLength - mLength + 1;
+ int nCharsToCopy = nOldLength - mLength + 1;
FXSYS_memmove(m_pData->m_String + nIndex, m_pData->m_String + mLength,
- nBytesToCopy);
+ nCharsToCopy);
m_pData->m_nDataLength = nOldLength - nCount;
}
return m_pData->m_nDataLength;
@@ -672,30 +698,6 @@ FX_STRSIZE CFX_ByteString::ReverseFind(FX_CHAR ch) const {
return -1;
}
-const FX_CHAR* FX_strstr(const FX_CHAR* str1,
- int len1,
- const FX_CHAR* str2,
- int len2) {
- if (len2 > len1 || len2 == 0) {
- return nullptr;
- }
- const FX_CHAR* end_ptr = str1 + len1 - len2;
- while (str1 <= end_ptr) {
- int i = 0;
- while (1) {
- if (str1[i] != str2[i]) {
- break;
- }
- i++;
- if (i == len2) {
- return str1;
- }
- }
- str1++;
- }
- return nullptr;
-}
-
FX_STRSIZE CFX_ByteString::Find(const CFX_ByteStringC& pSub,
FX_STRSIZE nStart) const {
if (!m_pData)
@@ -848,6 +850,7 @@ int CFX_ByteString::Compare(const CFX_ByteStringC& str) const {
}
return 0;
}
+
void CFX_ByteString::TrimRight(const CFX_ByteStringC& pTargets) {
if (!m_pData || pTargets.IsEmpty()) {
return;
@@ -873,12 +876,15 @@ void CFX_ByteString::TrimRight(const CFX_ByteStringC& pTargets) {
m_pData->m_nDataLength = pos;
}
}
+
void CFX_ByteString::TrimRight(FX_CHAR chTarget) {
TrimRight(CFX_ByteStringC(chTarget));
}
+
void CFX_ByteString::TrimRight() {
TrimRight("\x09\x0a\x0b\x0c\x0d\x20");
}
+
void CFX_ByteString::TrimLeft(const CFX_ByteStringC& pTargets) {
if (!m_pData || pTargets.IsEmpty())
return;
@@ -906,12 +912,15 @@ void CFX_ByteString::TrimLeft(const CFX_ByteStringC& pTargets) {
m_pData->m_nDataLength = nDataLength;
}
}
+
void CFX_ByteString::TrimLeft(FX_CHAR chTarget) {
TrimLeft(CFX_ByteStringC(chTarget));
}
+
void CFX_ByteString::TrimLeft() {
TrimLeft("\x09\x0a\x0b\x0c\x0d\x20");
}
+
uint32_t CFX_ByteString::GetID(FX_STRSIZE start_pos) const {
return CFX_ByteStringC(*this).GetID(start_pos);
}
diff --git a/core/fxcrt/fx_basic_wstring.cpp b/core/fxcrt/fx_basic_wstring.cpp
index 627573fa7d..e2e122be9a 100644
--- a/core/fxcrt/fx_basic_wstring.cpp
+++ b/core/fxcrt/fx_basic_wstring.cpp
@@ -13,6 +13,8 @@
#include "core/fxcrt/include/fx_ext.h"
#include "third_party/base/numerics/safe_math.h"
+template class CFX_StringDataTemplate<FX_WCHAR>;
+
namespace {
#ifndef NDEBUG
@@ -31,173 +33,117 @@ bool IsValidCodePage(uint16_t codepage) {
}
#endif
+const FX_WCHAR* FX_wcsstr(const FX_WCHAR* haystack,
+ int haystack_len,
+ const FX_WCHAR* needle,
+ int needle_len) {
+ if (needle_len > haystack_len || needle_len == 0) {
+ return nullptr;
+ }
+ const FX_WCHAR* end_ptr = haystack + haystack_len - needle_len;
+ while (haystack <= end_ptr) {
+ int i = 0;
+ while (1) {
+ if (haystack[i] != needle[i]) {
+ break;
+ }
+ i++;
+ if (i == needle_len) {
+ return haystack;
+ }
+ }
+ haystack++;
+ }
+ return nullptr;
+}
+
} // namespace
-// static
-CFX_WideString::StringData* CFX_WideString::StringData::Create(int nLen) {
- // TODO(palmer): |nLen| should really be declared as |size_t|, or
- // at least unsigned.
- if (nLen == 0 || nLen < 0) {
- return NULL;
- }
+CFX_WideString::CFX_WideString(const FX_WCHAR* pStr, FX_STRSIZE nLen) {
+ if (nLen < 0)
+ nLen = pStr ? FXSYS_wcslen(pStr) : 0;
- // Fixed portion of header plus a NUL wide char not in m_nAllocLength.
- int overhead = offsetof(StringData, m_String) + sizeof(FX_WCHAR);
- pdfium::base::CheckedNumeric<int> iSize = nLen;
- iSize *= sizeof(FX_WCHAR);
- iSize += overhead;
-
- // Now round to an 8-byte boundary. We'd expect that this is the minimum
- // granularity of any of the underlying allocators, so there may be cases
- // where we can save a re-alloc when adding a few characters to a string
- // by using this otherwise wasted space.
- iSize += 7;
- int totalSize = iSize.ValueOrDie() & ~7;
- int usableLen = (totalSize - overhead) / sizeof(FX_WCHAR);
- FXSYS_assert(usableLen >= nLen);
-
- void* pData = FX_Alloc(uint8_t, totalSize);
- return new (pData) StringData(nLen, usableLen);
-}
-CFX_WideString::~CFX_WideString() {
- if (m_pData) {
- m_pData->Release();
- }
-}
-CFX_WideString::CFX_WideString(const CFX_WideString& stringSrc) {
- if (!stringSrc.m_pData) {
- m_pData = NULL;
- return;
- }
- if (stringSrc.m_pData->m_nRefs >= 0) {
- m_pData = stringSrc.m_pData;
- m_pData->Retain();
- } else {
- m_pData = NULL;
- *this = stringSrc;
- }
-}
-CFX_WideString::CFX_WideString(const FX_WCHAR* lpsz, FX_STRSIZE nLen) {
- if (nLen < 0) {
- nLen = lpsz ? FXSYS_wcslen(lpsz) : 0;
- }
- if (nLen) {
- m_pData = StringData::Create(nLen);
- if (m_pData) {
- FXSYS_memcpy(m_pData->m_String, lpsz, nLen * sizeof(FX_WCHAR));
- }
- } else {
- m_pData = NULL;
- }
+ if (nLen)
+ m_pData.Reset(StringData::Create(pStr, nLen));
}
+
CFX_WideString::CFX_WideString(FX_WCHAR ch) {
- m_pData = StringData::Create(1);
- if (m_pData) {
- m_pData->m_String[0] = ch;
- }
+ m_pData.Reset(StringData::Create(1));
+ m_pData->m_String[0] = ch;
}
-CFX_WideString::CFX_WideString(const CFX_WideStringC& str) {
- if (str.IsEmpty()) {
- m_pData = NULL;
- return;
- }
- m_pData = StringData::Create(str.GetLength());
- if (m_pData) {
- FXSYS_memcpy(m_pData->m_String, str.c_str(),
- str.GetLength() * sizeof(FX_WCHAR));
+
+CFX_WideString::CFX_WideString(const CFX_WideStringC& stringSrc) {
+ if (!stringSrc.IsEmpty()) {
+ m_pData.Reset(StringData::Create(stringSrc.c_str(), stringSrc.GetLength()));
}
}
+
CFX_WideString::CFX_WideString(const CFX_WideStringC& str1,
const CFX_WideStringC& str2) {
- m_pData = NULL;
int nNewLen = str1.GetLength() + str2.GetLength();
- if (nNewLen == 0) {
- return;
- }
- m_pData = StringData::Create(nNewLen);
- if (m_pData) {
- FXSYS_memcpy(m_pData->m_String, str1.c_str(),
- str1.GetLength() * sizeof(FX_WCHAR));
- FXSYS_memcpy(m_pData->m_String + str1.GetLength(), str2.c_str(),
- str2.GetLength() * sizeof(FX_WCHAR));
- }
-}
-void CFX_WideString::ReleaseBuffer(FX_STRSIZE nNewLength) {
- if (!m_pData) {
- return;
- }
- CopyBeforeWrite();
- if (nNewLength == -1) {
- nNewLength = m_pData ? FXSYS_wcslen(m_pData->m_String) : 0;
- }
- if (nNewLength == 0) {
- Empty();
+ if (nNewLen == 0)
return;
- }
- FXSYS_assert(nNewLength <= m_pData->m_nAllocLength);
- m_pData->m_nDataLength = nNewLength;
- m_pData->m_String[nNewLength] = 0;
+
+ m_pData.Reset(StringData::Create(nNewLen));
+ m_pData->CopyContents(str1.c_str(), str1.GetLength());
+ m_pData->CopyContentsAt(str1.GetLength(), str2.c_str(), str2.GetLength());
}
-const CFX_WideString& CFX_WideString::operator=(const FX_WCHAR* lpsz) {
- if (!lpsz || lpsz[0] == 0) {
- Empty();
- } else {
- AssignCopy(FXSYS_wcslen(lpsz), lpsz);
- }
+
+CFX_WideString::~CFX_WideString() {}
+
+const CFX_WideString& CFX_WideString::operator=(const FX_WCHAR* pStr) {
+ if (!pStr || !pStr[0])
+ clear();
+ else
+ AssignCopy(pStr, FXSYS_wcslen(pStr));
+
return *this;
}
+
const CFX_WideString& CFX_WideString::operator=(
const CFX_WideStringC& stringSrc) {
- if (stringSrc.IsEmpty()) {
- Empty();
- } else {
- AssignCopy(stringSrc.GetLength(), stringSrc.c_str());
- }
+ if (stringSrc.IsEmpty())
+ clear();
+ else
+ AssignCopy(stringSrc.c_str(), stringSrc.GetLength());
+
return *this;
}
+
const CFX_WideString& CFX_WideString::operator=(
const CFX_WideString& stringSrc) {
- if (m_pData == stringSrc.m_pData) {
- return *this;
- }
- if (stringSrc.IsEmpty()) {
- Empty();
- } else if ((m_pData && m_pData->m_nRefs < 0) ||
- (stringSrc.m_pData && stringSrc.m_pData->m_nRefs < 0)) {
- AssignCopy(stringSrc.m_pData->m_nDataLength, stringSrc.m_pData->m_String);
- } else {
- Empty();
+ if (m_pData != stringSrc.m_pData)
m_pData = stringSrc.m_pData;
- if (m_pData) {
- m_pData->Retain();
- }
- }
+
return *this;
}
-const CFX_WideString& CFX_WideString::operator+=(FX_WCHAR ch) {
- ConcatInPlace(1, &ch);
+
+const CFX_WideString& CFX_WideString::operator+=(const FX_WCHAR* pStr) {
+ if (pStr)
+ Concat(pStr, FXSYS_wcslen(pStr));
+
return *this;
}
-const CFX_WideString& CFX_WideString::operator+=(const FX_WCHAR* lpsz) {
- if (lpsz) {
- ConcatInPlace(FXSYS_wcslen(lpsz), lpsz);
- }
+
+const CFX_WideString& CFX_WideString::operator+=(FX_WCHAR ch) {
+ Concat(&ch, 1);
return *this;
}
+
const CFX_WideString& CFX_WideString::operator+=(const CFX_WideString& str) {
- if (!str.m_pData) {
- return *this;
- }
- ConcatInPlace(str.m_pData->m_nDataLength, str.m_pData->m_String);
+ if (str.m_pData)
+ Concat(str.m_pData->m_String, str.m_pData->m_nDataLength);
+
return *this;
}
+
const CFX_WideString& CFX_WideString::operator+=(const CFX_WideStringC& str) {
- if (str.IsEmpty()) {
- return *this;
- }
- ConcatInPlace(str.GetLength(), str.c_str());
+ if (!str.IsEmpty())
+ Concat(str.c_str(), str.GetLength());
+
return *this;
}
+
bool CFX_WideString::operator==(const wchar_t* ptr) const {
if (!m_pData)
return !ptr || !ptr[0];
@@ -208,13 +154,15 @@ bool CFX_WideString::operator==(const wchar_t* ptr) const {
return wcslen(ptr) == static_cast<size_t>(m_pData->m_nDataLength) &&
wmemcmp(ptr, m_pData->m_String, m_pData->m_nDataLength) == 0;
}
+
bool CFX_WideString::operator==(const CFX_WideStringC& str) const {
if (!m_pData)
return str.IsEmpty();
- return str.GetLength() == m_pData->m_nDataLength &&
- wmemcmp(str.c_str(), m_pData->m_String, m_pData->m_nDataLength) == 0;
+ return m_pData->m_nDataLength == str.GetLength() &&
+ wmemcmp(m_pData->m_String, str.c_str(), str.GetLength()) == 0;
}
+
bool CFX_WideString::operator==(const CFX_WideString& other) const {
if (IsEmpty())
return other.IsEmpty();
@@ -226,231 +174,178 @@ bool CFX_WideString::operator==(const CFX_WideString& other) const {
wmemcmp(other.m_pData->m_String, m_pData->m_String,
m_pData->m_nDataLength) == 0;
}
-void CFX_WideString::Empty() {
- if (m_pData) {
- m_pData->Release();
- m_pData = NULL;
- }
+
+void CFX_WideString::AssignCopy(const FX_WCHAR* pSrcData, FX_STRSIZE nSrcLen) {
+ AllocBeforeWrite(nSrcLen);
+ m_pData->CopyContents(pSrcData, nSrcLen);
+ m_pData->m_nDataLength = nSrcLen;
}
-void CFX_WideString::ConcatInPlace(FX_STRSIZE nSrcLen,
- const FX_WCHAR* lpszSrcData) {
- if (nSrcLen == 0 || !lpszSrcData) {
+
+void CFX_WideString::ReallocBeforeWrite(FX_STRSIZE nNewLength) {
+ if (m_pData && m_pData->CanOperateInPlace(nNewLength))
return;
- }
- if (!m_pData) {
- m_pData = StringData::Create(nSrcLen);
- if (m_pData) {
- FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen * sizeof(FX_WCHAR));
- }
+
+ if (nNewLength <= 0) {
+ clear();
return;
}
- if (m_pData->m_nRefs > 1 ||
- m_pData->m_nDataLength + nSrcLen > m_pData->m_nAllocLength) {
- ConcatCopy(m_pData->m_nDataLength, m_pData->m_String, nSrcLen, lpszSrcData);
+
+ CFX_RetainPtr<StringData> pNewData(StringData::Create(nNewLength));
+ if (m_pData) {
+ FX_STRSIZE nCopyLength = std::min(m_pData->m_nDataLength, nNewLength);
+ pNewData->CopyContents(m_pData->m_String, nCopyLength);
+ pNewData->m_nDataLength = nCopyLength;
} else {
- FXSYS_memcpy(m_pData->m_String + m_pData->m_nDataLength, lpszSrcData,
- nSrcLen * sizeof(FX_WCHAR));
- m_pData->m_nDataLength += nSrcLen;
- m_pData->m_String[m_pData->m_nDataLength] = 0;
+ pNewData->m_nDataLength = 0;
}
+ pNewData->m_String[pNewData->m_nDataLength] = 0;
+ m_pData.Swap(pNewData);
}
-void CFX_WideString::ConcatCopy(FX_STRSIZE nSrc1Len,
- const FX_WCHAR* lpszSrc1Data,
- FX_STRSIZE nSrc2Len,
- const FX_WCHAR* lpszSrc2Data) {
- FX_STRSIZE nNewLen = nSrc1Len + nSrc2Len;
- if (nNewLen <= 0) {
+
+void CFX_WideString::AllocBeforeWrite(FX_STRSIZE nNewLength) {
+ if (m_pData && m_pData->CanOperateInPlace(nNewLength))
return;
- }
- // Don't release until done copying, might be one of the arguments.
- StringData* pOldData = m_pData;
- m_pData = StringData::Create(nNewLen);
- if (m_pData) {
- wmemcpy(m_pData->m_String, lpszSrc1Data, nSrc1Len);
- wmemcpy(m_pData->m_String + nSrc1Len, lpszSrc2Data, nSrc2Len);
- }
- pOldData->Release();
-}
-void CFX_WideString::CopyBeforeWrite() {
- if (!m_pData || m_pData->m_nRefs <= 1) {
+
+ if (nNewLength <= 0) {
+ clear();
return;
}
- StringData* pData = m_pData;
- m_pData->Release();
- FX_STRSIZE nDataLength = pData->m_nDataLength;
- m_pData = StringData::Create(nDataLength);
- if (m_pData) {
- FXSYS_memcpy(m_pData->m_String, pData->m_String,
- (nDataLength + 1) * sizeof(FX_WCHAR));
- }
+
+ m_pData.Reset(StringData::Create(nNewLength));
}
-void CFX_WideString::AllocBeforeWrite(FX_STRSIZE nLen) {
- if (m_pData && m_pData->m_nRefs <= 1 && m_pData->m_nAllocLength >= nLen) {
+
+void CFX_WideString::ReleaseBuffer(FX_STRSIZE nNewLength) {
+ if (!m_pData)
+ return;
+
+ if (nNewLength == -1)
+ nNewLength = FXSYS_wcslen(m_pData->m_String);
+
+ if (nNewLength == 0) {
+ clear();
return;
}
- Empty();
- m_pData = StringData::Create(nLen);
-}
-void CFX_WideString::AssignCopy(FX_STRSIZE nSrcLen,
- const FX_WCHAR* lpszSrcData) {
- AllocBeforeWrite(nSrcLen);
- FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen * sizeof(FX_WCHAR));
- m_pData->m_nDataLength = nSrcLen;
- m_pData->m_String[nSrcLen] = 0;
-}
-int CFX_WideString::Compare(const FX_WCHAR* lpsz) const {
- if (m_pData)
- return FXSYS_wcscmp(m_pData->m_String, lpsz);
- return (!lpsz || lpsz[0] == 0) ? 0 : -1;
-}
-CFX_ByteString CFX_WideString::UTF8Encode() const {
- return FX_UTF8Encode(*this);
-}
-CFX_ByteString CFX_WideString::UTF16LE_Encode() const {
- if (!m_pData) {
- return CFX_ByteString("\0\0", 2);
- }
- int len = m_pData->m_nDataLength;
- CFX_ByteString result;
- FX_CHAR* buffer = result.GetBuffer(len * 2 + 2);
- for (int i = 0; i < len; i++) {
- buffer[i * 2] = m_pData->m_String[i] & 0xff;
- buffer[i * 2 + 1] = m_pData->m_String[i] >> 8;
- }
- buffer[len * 2] = 0;
- buffer[len * 2 + 1] = 0;
- result.ReleaseBuffer(len * 2 + 2);
- return result;
+
+ FXSYS_assert(nNewLength <= m_pData->m_nAllocLength);
+ ReallocBeforeWrite(nNewLength);
+ m_pData->m_nDataLength = nNewLength;
+ m_pData->m_String[nNewLength] = 0;
}
void CFX_WideString::Reserve(FX_STRSIZE len) {
GetBuffer(len);
ReleaseBuffer(GetLength());
}
+
FX_WCHAR* CFX_WideString::GetBuffer(FX_STRSIZE nMinBufLength) {
- if (!m_pData && nMinBufLength == 0) {
- return NULL;
- }
- if (m_pData && m_pData->m_nRefs <= 1 &&
- m_pData->m_nAllocLength >= nMinBufLength) {
- return m_pData->m_String;
- }
if (!m_pData) {
- m_pData = StringData::Create(nMinBufLength);
- if (!m_pData) {
- return NULL;
- }
+ if (nMinBufLength == 0)
+ return nullptr;
+
+ m_pData.Reset(StringData::Create(nMinBufLength));
m_pData->m_nDataLength = 0;
m_pData->m_String[0] = 0;
return m_pData->m_String;
}
- StringData* pOldData = m_pData;
- FX_STRSIZE nOldLen = pOldData->m_nDataLength;
- if (nMinBufLength < nOldLen) {
- nMinBufLength = nOldLen;
- }
- m_pData = StringData::Create(nMinBufLength);
- if (!m_pData) {
- return NULL;
- }
- FXSYS_memcpy(m_pData->m_String, pOldData->m_String,
- (nOldLen + 1) * sizeof(FX_WCHAR));
- m_pData->m_nDataLength = nOldLen;
- pOldData->Release();
- return m_pData->m_String;
-}
-// static
-CFX_WideString CFX_WideString::FromLocal(const CFX_ByteString& str) {
- return FromCodePage(str, 0);
-}
+ if (m_pData->CanOperateInPlace(nMinBufLength))
+ return m_pData->m_String;
-// static
-CFX_WideString CFX_WideString::FromCodePage(const CFX_ByteString& str,
- uint16_t codepage) {
- return CFX_CharMap::GetWideString(codepage, str);
+ nMinBufLength = std::max(nMinBufLength, m_pData->m_nDataLength);
+ if (nMinBufLength == 0)
+ return nullptr;
+
+ CFX_RetainPtr<StringData> pNewData(StringData::Create(nMinBufLength));
+ pNewData->CopyContents(*m_pData);
+ pNewData->m_nDataLength = m_pData->m_nDataLength;
+ m_pData.Swap(pNewData);
+ return m_pData->m_String;
}
-// static
-CFX_WideString CFX_WideString::FromUTF8(const CFX_ByteStringC& str) {
- if (str.IsEmpty())
- return CFX_WideString();
+FX_STRSIZE CFX_WideString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount) {
+ if (!m_pData)
+ return 0;
- CFX_UTF8Decoder decoder;
- for (FX_STRSIZE i = 0; i < str.GetLength(); i++) {
- decoder.Input(str[i]);
+ if (nIndex < 0)
+ nIndex = 0;
+
+ FX_STRSIZE nOldLength = m_pData->m_nDataLength;
+ if (nCount > 0 && nIndex < nOldLength) {
+ FX_STRSIZE mLength = nIndex + nCount;
+ if (mLength >= nOldLength) {
+ m_pData->m_nDataLength = nIndex;
+ return m_pData->m_nDataLength;
+ }
+ ReallocBeforeWrite(nOldLength);
+ int nCharsToCopy = nOldLength - mLength + 1;
+ wmemmove(m_pData->m_String + nIndex, m_pData->m_String + mLength,
+ nCharsToCopy);
+ m_pData->m_nDataLength = nOldLength - nCount;
}
- return decoder.GetResult();
+ return m_pData->m_nDataLength;
}
-// static
-CFX_WideString CFX_WideString::FromUTF16LE(const unsigned short* wstr,
- FX_STRSIZE wlen) {
- if (!wstr || 0 == wlen) {
- return CFX_WideString();
+void CFX_WideString::Concat(const FX_WCHAR* pSrcData, FX_STRSIZE nSrcLen) {
+ if (!pSrcData || nSrcLen <= 0)
+ return;
+
+ if (!m_pData) {
+ m_pData.Reset(StringData::Create(pSrcData, nSrcLen));
+ return;
}
- CFX_WideString result;
- FX_WCHAR* buf = result.GetBuffer(wlen);
- for (int i = 0; i < wlen; i++) {
- buf[i] = wstr[i];
+ if (m_pData->CanOperateInPlace(m_pData->m_nDataLength + nSrcLen)) {
+ m_pData->CopyContentsAt(m_pData->m_nDataLength, pSrcData, nSrcLen);
+ m_pData->m_nDataLength += nSrcLen;
+ return;
}
- result.ReleaseBuffer(wlen);
- return result;
-}
-FX_STRSIZE CFX_WideString::WStringLength(const unsigned short* str) {
- FX_STRSIZE len = 0;
- if (str)
- while (str[len])
- len++;
- return len;
+ CFX_RetainPtr<StringData> pNewData(
+ StringData::Create(m_pData->m_nDataLength + nSrcLen));
+ pNewData->CopyContents(*m_pData);
+ pNewData->CopyContentsAt(m_pData->m_nDataLength, pSrcData, nSrcLen);
+ m_pData.Swap(pNewData);
}
-void CFX_WideString::AllocCopy(CFX_WideString& dest,
- FX_STRSIZE nCopyLen,
- FX_STRSIZE nCopyIndex) const {
- // |FX_STRSIZE| is currently typedef'd as in |int|. TODO(palmer): It
- // should be a |size_t|, or at least unsigned.
- if (nCopyLen == 0 || nCopyLen < 0) {
- return;
- }
- pdfium::base::CheckedNumeric<FX_STRSIZE> iSize =
- static_cast<FX_STRSIZE>(sizeof(FX_WCHAR));
- iSize *= nCopyLen;
- ASSERT(!dest.m_pData);
- dest.m_pData = StringData::Create(nCopyLen);
- if (dest.m_pData) {
- FXSYS_memcpy(dest.m_pData->m_String, m_pData->m_String + nCopyIndex,
- iSize.ValueOrDie());
- }
+// static
+CFX_ByteString CFX_WideString::UTF8Encode() const {
+ return FX_UTF8Encode(*this);
}
-CFX_WideString CFX_WideString::Left(FX_STRSIZE nCount) const {
+
+// static
+CFX_ByteString CFX_WideString::UTF16LE_Encode() const {
if (!m_pData) {
- return CFX_WideString();
- }
- if (nCount < 0) {
- nCount = 0;
+ return CFX_ByteString("\0\0", 2);
}
- if (nCount >= m_pData->m_nDataLength) {
- return *this;
+ int len = m_pData->m_nDataLength;
+ CFX_ByteString result;
+ FX_CHAR* buffer = result.GetBuffer(len * 2 + 2);
+ for (int i = 0; i < len; i++) {
+ buffer[i * 2] = m_pData->m_String[i] & 0xff;
+ buffer[i * 2 + 1] = m_pData->m_String[i] >> 8;
}
- CFX_WideString dest;
- AllocCopy(dest, nCount, 0);
- return dest;
+ buffer[len * 2] = 0;
+ buffer[len * 2 + 1] = 0;
+ result.ReleaseBuffer(len * 2 + 2);
+ return result;
}
+
CFX_WideString CFX_WideString::Mid(FX_STRSIZE nFirst) const {
if (!m_pData)
return CFX_WideString();
return Mid(nFirst, m_pData->m_nDataLength - nFirst);
}
+
CFX_WideString CFX_WideString::Mid(FX_STRSIZE nFirst, FX_STRSIZE nCount) const {
if (!m_pData)
return CFX_WideString();
nFirst = std::min(std::max(nFirst, 0), m_pData->m_nDataLength);
nCount = std::min(std::max(nCount, 0), m_pData->m_nDataLength - nFirst);
+ if (nCount == 0)
+ return CFX_WideString();
+
if (nFirst == 0 && nCount == m_pData->m_nDataLength)
return *this;
@@ -458,302 +353,23 @@ CFX_WideString CFX_WideString::Mid(FX_STRSIZE nFirst, FX_STRSIZE nCount) const {
AllocCopy(dest, nCount, nFirst);
return dest;
}
-CFX_WideString CFX_WideString::Right(FX_STRSIZE nCount) const {
- if (!m_pData) {
- return CFX_WideString();
- }
- if (nCount < 0) {
- nCount = 0;
- }
- if (nCount >= m_pData->m_nDataLength) {
- return *this;
- }
- CFX_WideString dest;
- AllocCopy(dest, nCount, m_pData->m_nDataLength - nCount);
- return dest;
-}
-int CFX_WideString::CompareNoCase(const FX_WCHAR* lpsz) const {
- if (!m_pData) {
- return (!lpsz || lpsz[0] == 0) ? 0 : -1;
- }
- return FXSYS_wcsicmp(m_pData->m_String, lpsz);
-}
-int CFX_WideString::Compare(const CFX_WideString& str) const {
- if (!m_pData) {
- if (!str.m_pData) {
- return 0;
- }
- return -1;
- }
- if (!str.m_pData) {
- return 1;
- }
- int this_len = m_pData->m_nDataLength;
- int that_len = str.m_pData->m_nDataLength;
- int min_len = this_len < that_len ? this_len : that_len;
- for (int i = 0; i < min_len; i++) {
- if (m_pData->m_String[i] < str.m_pData->m_String[i]) {
- return -1;
- }
- if (m_pData->m_String[i] > str.m_pData->m_String[i]) {
- return 1;
- }
- }
- if (this_len < that_len) {
- return -1;
- }
- if (this_len > that_len) {
- return 1;
- }
- return 0;
-}
-void CFX_WideString::SetAt(FX_STRSIZE nIndex, FX_WCHAR ch) {
- if (!m_pData) {
- return;
- }
- ASSERT(nIndex >= 0);
- ASSERT(nIndex < m_pData->m_nDataLength);
- CopyBeforeWrite();
- m_pData->m_String[nIndex] = ch;
-}
-void CFX_WideString::MakeLower() {
- if (!m_pData) {
- return;
- }
- CopyBeforeWrite();
- if (GetLength() < 1) {
- return;
- }
- FXSYS_wcslwr(m_pData->m_String);
-}
-void CFX_WideString::MakeUpper() {
- if (!m_pData) {
- return;
- }
- CopyBeforeWrite();
- if (GetLength() < 1) {
- return;
- }
- FXSYS_wcsupr(m_pData->m_String);
-}
-FX_STRSIZE CFX_WideString::Find(const FX_WCHAR* lpszSub,
- FX_STRSIZE nStart) const {
- FX_STRSIZE nLength = GetLength();
- if (nLength < 1 || nStart > nLength) {
- return -1;
- }
- const FX_WCHAR* lpsz = FXSYS_wcsstr(m_pData->m_String + nStart, lpszSub);
- return lpsz ? (int)(lpsz - m_pData->m_String) : -1;
-}
-FX_STRSIZE CFX_WideString::Find(FX_WCHAR ch, FX_STRSIZE nStart) const {
- if (!m_pData) {
- return -1;
- }
- FX_STRSIZE nLength = m_pData->m_nDataLength;
- if (nStart >= nLength) {
- return -1;
- }
- const FX_WCHAR* lpsz = FXSYS_wcschr(m_pData->m_String + nStart, ch);
- return (lpsz) ? (int)(lpsz - m_pData->m_String) : -1;
-}
-void CFX_WideString::TrimRight(const FX_WCHAR* lpszTargetList) {
- FXSYS_assert(lpszTargetList);
- if (!m_pData || *lpszTargetList == 0) {
- return;
- }
- CopyBeforeWrite();
- FX_STRSIZE len = GetLength();
- if (len < 1) {
- return;
- }
- FX_STRSIZE pos = len;
- while (pos) {
- if (!FXSYS_wcschr(lpszTargetList, m_pData->m_String[pos - 1])) {
- break;
- }
- pos--;
- }
- if (pos < len) {
- m_pData->m_String[pos] = 0;
- m_pData->m_nDataLength = pos;
- }
-}
-void CFX_WideString::TrimRight(FX_WCHAR chTarget) {
- FX_WCHAR str[2] = {chTarget, 0};
- TrimRight(str);
-}
-void CFX_WideString::TrimRight() {
- TrimRight(L"\x09\x0a\x0b\x0c\x0d\x20");
-}
-void CFX_WideString::TrimLeft(const FX_WCHAR* lpszTargets) {
- FXSYS_assert(lpszTargets);
- if (!m_pData || *lpszTargets == 0) {
- return;
- }
- CopyBeforeWrite();
- if (GetLength() < 1) {
+
+void CFX_WideString::AllocCopy(CFX_WideString& dest,
+ FX_STRSIZE nCopyLen,
+ FX_STRSIZE nCopyIndex) const {
+ if (nCopyLen <= 0)
return;
- }
- const FX_WCHAR* lpsz = m_pData->m_String;
- while (*lpsz != 0) {
- if (!FXSYS_wcschr(lpszTargets, *lpsz)) {
- break;
- }
- lpsz++;
- }
- if (lpsz != m_pData->m_String) {
- int nDataLength =
- m_pData->m_nDataLength - (FX_STRSIZE)(lpsz - m_pData->m_String);
- FXSYS_memmove(m_pData->m_String, lpsz,
- (nDataLength + 1) * sizeof(FX_WCHAR));
- m_pData->m_nDataLength = nDataLength;
- }
-}
-void CFX_WideString::TrimLeft(FX_WCHAR chTarget) {
- FX_WCHAR str[2] = {chTarget, 0};
- TrimLeft(str);
-}
-void CFX_WideString::TrimLeft() {
- TrimLeft(L"\x09\x0a\x0b\x0c\x0d\x20");
-}
-FX_STRSIZE CFX_WideString::Replace(const FX_WCHAR* lpszOld,
- const FX_WCHAR* lpszNew) {
- if (GetLength() < 1) {
- return 0;
- }
- if (!lpszOld) {
- return 0;
- }
- FX_STRSIZE nSourceLen = FXSYS_wcslen(lpszOld);
- if (nSourceLen == 0) {
- return 0;
- }
- FX_STRSIZE nReplacementLen = lpszNew ? FXSYS_wcslen(lpszNew) : 0;
- FX_STRSIZE nCount = 0;
- FX_WCHAR* lpszStart = m_pData->m_String;
- FX_WCHAR* lpszEnd = m_pData->m_String + m_pData->m_nDataLength;
- while (lpszStart < lpszEnd) {
- FX_WCHAR* lpszTarget = FXSYS_wcsstr(lpszStart, lpszOld);
- if (!lpszTarget)
- break;
- nCount++;
- lpszStart = lpszTarget + nSourceLen;
- }
- if (nCount > 0) {
- CopyBeforeWrite();
- FX_STRSIZE nOldLength = m_pData->m_nDataLength;
- FX_STRSIZE nNewLength =
- nOldLength + (nReplacementLen - nSourceLen) * nCount;
- if (m_pData->m_nAllocLength < nNewLength || m_pData->m_nRefs > 1) {
- StringData* pOldData = m_pData;
- const FX_WCHAR* pstr = m_pData->m_String;
- m_pData = StringData::Create(nNewLength);
- if (!m_pData) {
- return 0;
- }
- FXSYS_memcpy(m_pData->m_String, pstr,
- pOldData->m_nDataLength * sizeof(FX_WCHAR));
- pOldData->Release();
- }
- lpszStart = m_pData->m_String;
- lpszEnd = m_pData->m_String + std::max(m_pData->m_nDataLength, nNewLength);
- {
- while (lpszStart < lpszEnd) {
- FX_WCHAR* lpszTarget = FXSYS_wcsstr(lpszStart, lpszOld);
- if (!lpszTarget)
- break;
- FX_STRSIZE nBalance =
- nOldLength -
- (FX_STRSIZE)(lpszTarget - m_pData->m_String + nSourceLen);
- FXSYS_memmove(lpszTarget + nReplacementLen, lpszTarget + nSourceLen,
- nBalance * sizeof(FX_WCHAR));
- FXSYS_memcpy(lpszTarget, lpszNew, nReplacementLen * sizeof(FX_WCHAR));
- lpszStart = lpszTarget + nReplacementLen;
- lpszStart[nBalance] = 0;
- nOldLength += (nReplacementLen - nSourceLen);
- }
- }
- ASSERT(m_pData->m_String[nNewLength] == 0);
- m_pData->m_nDataLength = nNewLength;
- }
- return nCount;
-}
-FX_STRSIZE CFX_WideString::Insert(FX_STRSIZE nIndex, FX_WCHAR ch) {
- CopyBeforeWrite();
- if (nIndex < 0) {
- nIndex = 0;
- }
- FX_STRSIZE nNewLength = GetLength();
- if (nIndex > nNewLength) {
- nIndex = nNewLength;
- }
- nNewLength++;
- if (!m_pData || m_pData->m_nAllocLength < nNewLength) {
- StringData* pOldData = m_pData;
- const FX_WCHAR* pstr = m_pData->m_String;
- m_pData = StringData::Create(nNewLength);
- if (!m_pData) {
- return 0;
- }
- if (pOldData) {
- FXSYS_memmove(m_pData->m_String, pstr,
- (pOldData->m_nDataLength + 1) * sizeof(FX_WCHAR));
- pOldData->Release();
- } else {
- m_pData->m_String[0] = 0;
- }
- }
- FXSYS_memmove(m_pData->m_String + nIndex + 1, m_pData->m_String + nIndex,
- (nNewLength - nIndex) * sizeof(FX_WCHAR));
- m_pData->m_String[nIndex] = ch;
- m_pData->m_nDataLength = nNewLength;
- return nNewLength;
-}
-FX_STRSIZE CFX_WideString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount) {
- if (GetLength() < 1) {
- return 0;
- }
- if (nIndex < 0) {
- nIndex = 0;
- }
- FX_STRSIZE nOldLength = m_pData->m_nDataLength;
- if (nCount > 0 && nIndex < nOldLength) {
- CopyBeforeWrite();
- int nBytesToCopy = nOldLength - (nIndex + nCount) + 1;
- FXSYS_memmove(m_pData->m_String + nIndex,
- m_pData->m_String + nIndex + nCount,
- nBytesToCopy * sizeof(FX_WCHAR));
- m_pData->m_nDataLength = nOldLength - nCount;
- }
- return m_pData->m_nDataLength;
-}
-FX_STRSIZE CFX_WideString::Remove(FX_WCHAR chRemove) {
- if (!m_pData) {
- return 0;
- }
- CopyBeforeWrite();
- if (GetLength() < 1) {
- return 0;
- }
- FX_WCHAR* pstrSource = m_pData->m_String;
- FX_WCHAR* pstrDest = m_pData->m_String;
- FX_WCHAR* pstrEnd = m_pData->m_String + m_pData->m_nDataLength;
- while (pstrSource < pstrEnd) {
- if (*pstrSource != chRemove) {
- *pstrDest = *pstrSource;
- pstrDest++;
- }
- pstrSource++;
- }
- *pstrDest = 0;
- FX_STRSIZE nCount = (FX_STRSIZE)(pstrSource - pstrDest);
- m_pData->m_nDataLength -= nCount;
- return nCount;
+
+ CFX_RetainPtr<StringData> pNewData(
+ StringData::Create(m_pData->m_String + nCopyIndex, nCopyLen));
+ dest.m_pData.Swap(pNewData);
}
+
#define FORCE_ANSI 0x10000
#define FORCE_UNICODE 0x20000
#define FORCE_INT64 0x40000
-void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
+
+void CFX_WideString::FormatV(const FX_WCHAR* pFormat, va_list argList) {
va_list argListSave;
#if defined(__ARMCC_VERSION) || \
(!defined(_MSC_VER) && (_FX_CPU_ == _FX_X64_ || _FX_CPU_ == _FX_IA64_ || \
@@ -764,71 +380,71 @@ void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
argListSave = argList;
#endif
int nMaxLen = 0;
- for (const FX_WCHAR* lpsz = lpszFormat; *lpsz != 0; lpsz++) {
- if (*lpsz != '%' || *(lpsz = lpsz + 1) == '%') {
- nMaxLen += FXSYS_wcslen(lpsz);
+ for (const FX_WCHAR* pStr = pFormat; *pStr != 0; pStr++) {
+ if (*pStr != '%' || *(pStr = pStr + 1) == '%') {
+ nMaxLen += FXSYS_wcslen(pStr);
continue;
}
int nItemLen = 0;
int nWidth = 0;
- for (; *lpsz != 0; lpsz++) {
- if (*lpsz == '#') {
+ for (; *pStr != 0; pStr++) {
+ if (*pStr == '#') {
nMaxLen += 2;
- } else if (*lpsz == '*') {
+ } else if (*pStr == '*') {
nWidth = va_arg(argList, int);
- } else if (*lpsz != '-' && *lpsz != '+' && *lpsz != '0' && *lpsz != ' ') {
+ } else if (*pStr != '-' && *pStr != '+' && *pStr != '0' && *pStr != ' ') {
break;
}
}
if (nWidth == 0) {
- nWidth = FXSYS_wtoi(lpsz);
- while (std::iswdigit(*lpsz))
- ++lpsz;
+ nWidth = FXSYS_wtoi(pStr);
+ while (std::iswdigit(*pStr))
+ ++pStr;
}
if (nWidth < 0 || nWidth > 128 * 1024) {
- lpszFormat = L"Bad width";
+ pFormat = L"Bad width";
nMaxLen = 10;
break;
}
int nPrecision = 0;
- if (*lpsz == '.') {
- lpsz++;
- if (*lpsz == '*') {
+ if (*pStr == '.') {
+ pStr++;
+ if (*pStr == '*') {
nPrecision = va_arg(argList, int);
- lpsz++;
+ pStr++;
} else {
- nPrecision = FXSYS_wtoi(lpsz);
- while (std::iswdigit(*lpsz))
- ++lpsz;
+ nPrecision = FXSYS_wtoi(pStr);
+ while (std::iswdigit(*pStr))
+ ++pStr;
}
}
if (nPrecision < 0 || nPrecision > 128 * 1024) {
- lpszFormat = L"Bad precision";
+ pFormat = L"Bad precision";
nMaxLen = 14;
break;
}
int nModifier = 0;
- if (*lpsz == L'I' && *(lpsz + 1) == L'6' && *(lpsz + 2) == L'4') {
- lpsz += 3;
+ if (*pStr == L'I' && *(pStr + 1) == L'6' && *(pStr + 2) == L'4') {
+ pStr += 3;
nModifier = FORCE_INT64;
} else {
- switch (*lpsz) {
+ switch (*pStr) {
case 'h':
nModifier = FORCE_ANSI;
- lpsz++;
+ pStr++;
break;
case 'l':
nModifier = FORCE_UNICODE;
- lpsz++;
+ pStr++;
break;
case 'F':
case 'N':
case 'L':
- lpsz++;
+ pStr++;
break;
}
}
- switch (*lpsz | nModifier) {
+ switch (*pStr | nModifier) {
case 'c':
case 'C':
nItemLen = 2;
@@ -880,7 +496,7 @@ void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
} break;
case 's' | FORCE_UNICODE:
case 'S' | FORCE_UNICODE: {
- FX_WCHAR* pstrNextArg = va_arg(argList, FX_WCHAR*);
+ const FX_WCHAR* pstrNextArg = va_arg(argList, FX_WCHAR*);
if (pstrNextArg) {
nItemLen = FXSYS_wcslen(pstrNextArg);
if (nItemLen < 1) {
@@ -899,7 +515,7 @@ void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
nItemLen = nWidth;
}
} else {
- switch (*lpsz) {
+ switch (*pStr) {
case 'd':
case 'i':
case 'u':
@@ -957,17 +573,332 @@ void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
GetBuffer(nMaxLen);
if (m_pData) {
FXSYS_vswprintf((wchar_t*)m_pData->m_String, nMaxLen + 1,
- (const wchar_t*)lpszFormat, argListSave);
+ (const wchar_t*)pFormat, argListSave);
ReleaseBuffer();
}
va_end(argListSave);
}
-void CFX_WideString::Format(const FX_WCHAR* lpszFormat, ...) {
+
+void CFX_WideString::Format(const FX_WCHAR* pFormat, ...) {
va_list argList;
- va_start(argList, lpszFormat);
- FormatV(lpszFormat, argList);
+ va_start(argList, pFormat);
+ FormatV(pFormat, argList);
va_end(argList);
}
+
+FX_STRSIZE CFX_WideString::Insert(FX_STRSIZE nIndex, FX_WCHAR ch) {
+ FX_STRSIZE nNewLength = m_pData ? m_pData->m_nDataLength : 0;
+ nIndex = std::max(nIndex, 0);
+ nIndex = std::min(nIndex, nNewLength);
+ nNewLength++;
+
+ ReallocBeforeWrite(nNewLength);
+ wmemmove(m_pData->m_String + nIndex + 1, m_pData->m_String + nIndex,
+ nNewLength - nIndex);
+ m_pData->m_String[nIndex] = ch;
+ m_pData->m_nDataLength = nNewLength;
+ return nNewLength;
+}
+
+CFX_WideString CFX_WideString::Right(FX_STRSIZE nCount) const {
+ if (!m_pData)
+ return CFX_WideString();
+
+ nCount = std::max(nCount, 0);
+ if (nCount >= m_pData->m_nDataLength)
+ return *this;
+
+ CFX_WideString dest;
+ AllocCopy(dest, nCount, m_pData->m_nDataLength - nCount);
+ return dest;
+}
+
+CFX_WideString CFX_WideString::Left(FX_STRSIZE nCount) const {
+ if (!m_pData)
+ return CFX_WideString();
+
+ nCount = std::max(nCount, 0);
+ if (nCount >= m_pData->m_nDataLength)
+ return *this;
+
+ CFX_WideString dest;
+ AllocCopy(dest, nCount, 0);
+ return dest;
+}
+
+FX_STRSIZE CFX_WideString::Find(FX_WCHAR ch, FX_STRSIZE nStart) const {
+ if (!m_pData)
+ return -1;
+
+ if (nStart >= m_pData->m_nDataLength)
+ return -1;
+
+ const FX_WCHAR* pStr = FXSYS_wcschr(m_pData->m_String + nStart, ch);
+ return pStr ? (int)(pStr - m_pData->m_String) : -1;
+}
+
+FX_STRSIZE CFX_WideString::Find(const CFX_WideStringC& pSub,
+ FX_STRSIZE nStart) const {
+ if (!m_pData)
+ return -1;
+
+ FX_STRSIZE nLength = m_pData->m_nDataLength;
+ if (nStart > nLength)
+ return -1;
+
+ const FX_WCHAR* pStr =
+ FX_wcsstr(m_pData->m_String + nStart, m_pData->m_nDataLength - nStart,
+ pSub.c_str(), pSub.GetLength());
+ return pStr ? (int)(pStr - m_pData->m_String) : -1;
+}
+
+void CFX_WideString::MakeLower() {
+ if (!m_pData)
+ return;
+
+ ReallocBeforeWrite(m_pData->m_nDataLength);
+ FXSYS_wcslwr(m_pData->m_String);
+}
+
+void CFX_WideString::MakeUpper() {
+ if (!m_pData)
+ return;
+
+ ReallocBeforeWrite(m_pData->m_nDataLength);
+ FXSYS_wcsupr(m_pData->m_String);
+}
+
+FX_STRSIZE CFX_WideString::Remove(FX_WCHAR chRemove) {
+ if (!m_pData || m_pData->m_nDataLength < 1)
+ return 0;
+
+ ReallocBeforeWrite(m_pData->m_nDataLength);
+ FX_WCHAR* pstrSource = m_pData->m_String;
+ FX_WCHAR* pstrDest = m_pData->m_String;
+ FX_WCHAR* pstrEnd = m_pData->m_String + m_pData->m_nDataLength;
+ while (pstrSource < pstrEnd) {
+ if (*pstrSource != chRemove) {
+ *pstrDest = *pstrSource;
+ pstrDest++;
+ }
+ pstrSource++;
+ }
+ *pstrDest = 0;
+ FX_STRSIZE nCount = (FX_STRSIZE)(pstrSource - pstrDest);
+ m_pData->m_nDataLength -= nCount;
+ return nCount;
+}
+
+FX_STRSIZE CFX_WideString::Replace(const CFX_WideStringC& pOld,
+ const CFX_WideStringC& pNew) {
+ if (!m_pData || pOld.IsEmpty())
+ return 0;
+
+ FX_STRSIZE nSourceLen = pOld.GetLength();
+ FX_STRSIZE nReplacementLen = pNew.GetLength();
+ FX_STRSIZE nCount = 0;
+ const FX_WCHAR* pStart = m_pData->m_String;
+ FX_WCHAR* pEnd = m_pData->m_String + m_pData->m_nDataLength;
+ while (1) {
+ const FX_WCHAR* pTarget = FX_wcsstr(pStart, (FX_STRSIZE)(pEnd - pStart),
+ pOld.c_str(), nSourceLen);
+ if (!pTarget)
+ break;
+
+ nCount++;
+ pStart = pTarget + nSourceLen;
+ }
+ if (nCount == 0)
+ return 0;
+
+ FX_STRSIZE nNewLength =
+ m_pData->m_nDataLength + (nReplacementLen - nSourceLen) * nCount;
+
+ if (nNewLength == 0) {
+ clear();
+ return nCount;
+ }
+
+ CFX_RetainPtr<StringData> pNewData(StringData::Create(nNewLength));
+ pStart = m_pData->m_String;
+ FX_WCHAR* pDest = pNewData->m_String;
+ for (FX_STRSIZE i = 0; i < nCount; i++) {
+ const FX_WCHAR* pTarget = FX_wcsstr(pStart, (FX_STRSIZE)(pEnd - pStart),
+ pOld.c_str(), nSourceLen);
+ wmemcpy(pDest, pStart, pTarget - pStart);
+ pDest += pTarget - pStart;
+ wmemcpy(pDest, pNew.c_str(), pNew.GetLength());
+ pDest += pNew.GetLength();
+ pStart = pTarget + nSourceLen;
+ }
+ wmemcpy(pDest, pStart, pEnd - pStart);
+ m_pData.Swap(pNewData);
+ return nCount;
+}
+
+void CFX_WideString::SetAt(FX_STRSIZE nIndex, FX_WCHAR ch) {
+ if (!m_pData) {
+ return;
+ }
+ ASSERT(nIndex >= 0);
+ ASSERT(nIndex < m_pData->m_nDataLength);
+ ReallocBeforeWrite(m_pData->m_nDataLength);
+ m_pData->m_String[nIndex] = ch;
+}
+
+// static
+CFX_WideString CFX_WideString::FromLocal(const CFX_ByteString& str) {
+ return FromCodePage(str, 0);
+}
+
+// static
+CFX_WideString CFX_WideString::FromCodePage(const CFX_ByteString& str,
+ uint16_t codepage) {
+ return CFX_CharMap::GetWideString(codepage, str);
+}
+
+// static
+CFX_WideString CFX_WideString::FromUTF8(const CFX_ByteStringC& str) {
+ if (str.IsEmpty())
+ return CFX_WideString();
+
+ CFX_UTF8Decoder decoder;
+ for (FX_STRSIZE i = 0; i < str.GetLength(); i++) {
+ decoder.Input(str[i]);
+ }
+ return decoder.GetResult();
+}
+
+// static
+CFX_WideString CFX_WideString::FromUTF16LE(const unsigned short* wstr,
+ FX_STRSIZE wlen) {
+ if (!wstr || 0 == wlen) {
+ return CFX_WideString();
+ }
+
+ CFX_WideString result;
+ FX_WCHAR* buf = result.GetBuffer(wlen);
+ for (int i = 0; i < wlen; i++) {
+ buf[i] = wstr[i];
+ }
+ result.ReleaseBuffer(wlen);
+ return result;
+}
+
+int CFX_WideString::Compare(const FX_WCHAR* lpsz) const {
+ if (m_pData)
+ return FXSYS_wcscmp(m_pData->m_String, lpsz);
+ return (!lpsz || lpsz[0] == 0) ? 0 : -1;
+}
+
+int CFX_WideString::Compare(const CFX_WideString& str) const {
+ if (!m_pData) {
+ if (!str.m_pData) {
+ return 0;
+ }
+ return -1;
+ }
+ if (!str.m_pData) {
+ return 1;
+ }
+ int this_len = m_pData->m_nDataLength;
+ int that_len = str.m_pData->m_nDataLength;
+ int min_len = this_len < that_len ? this_len : that_len;
+ for (int i = 0; i < min_len; i++) {
+ if (m_pData->m_String[i] < str.m_pData->m_String[i]) {
+ return -1;
+ }
+ if (m_pData->m_String[i] > str.m_pData->m_String[i]) {
+ return 1;
+ }
+ }
+ if (this_len < that_len) {
+ return -1;
+ }
+ if (this_len > that_len) {
+ return 1;
+ }
+ return 0;
+}
+
+int CFX_WideString::CompareNoCase(const FX_WCHAR* lpsz) const {
+ if (!m_pData) {
+ return (!lpsz || lpsz[0] == 0) ? 0 : -1;
+ }
+ return FXSYS_wcsicmp(m_pData->m_String, lpsz);
+}
+
+FX_STRSIZE CFX_WideString::WStringLength(const unsigned short* str) {
+ FX_STRSIZE len = 0;
+ if (str)
+ while (str[len])
+ len++;
+ return len;
+}
+
+void CFX_WideString::TrimRight(const CFX_WideStringC& pTargets) {
+ if (!m_pData || pTargets.IsEmpty()) {
+ return;
+ }
+ ReallocBeforeWrite(m_pData->m_nDataLength);
+ FX_STRSIZE pos = GetLength();
+ if (pos < 1) {
+ return;
+ }
+ while (pos) {
+ if (!FXSYS_wcschr(pTargets.c_str(), m_pData->m_String[pos - 1])) {
+ break;
+ }
+ pos--;
+ }
+ if (pos < m_pData->m_nDataLength) {
+ m_pData->m_String[pos] = 0;
+ m_pData->m_nDataLength = pos;
+ }
+}
+
+void CFX_WideString::TrimRight(FX_WCHAR chTarget) {
+ FX_WCHAR str[2] = {chTarget, 0};
+ TrimRight(str);
+}
+
+void CFX_WideString::TrimRight() {
+ TrimRight(L"\x09\x0a\x0b\x0c\x0d\x20");
+}
+
+void CFX_WideString::TrimLeft(const CFX_WideStringC& pTargets) {
+ if (!m_pData || pTargets.IsEmpty())
+ return;
+
+ FX_STRSIZE len = GetLength();
+ if (len < 1)
+ return;
+
+ ReallocBeforeWrite(len);
+ const FX_WCHAR* lpsz = m_pData->m_String;
+ while (*lpsz != 0) {
+ if (!FXSYS_wcschr(pTargets.c_str(), *lpsz)) {
+ break;
+ }
+ lpsz++;
+ }
+ if (lpsz != m_pData->m_String) {
+ int nDataLength =
+ m_pData->m_nDataLength - (FX_STRSIZE)(lpsz - m_pData->m_String);
+ FXSYS_memmove(m_pData->m_String, lpsz,
+ (nDataLength + 1) * sizeof(FX_WCHAR));
+ m_pData->m_nDataLength = nDataLength;
+ }
+}
+
+void CFX_WideString::TrimLeft(FX_WCHAR chTarget) {
+ FX_WCHAR str[2] = {chTarget, 0};
+ TrimLeft(str);
+}
+
+void CFX_WideString::TrimLeft() {
+ TrimLeft(L"\x09\x0a\x0b\x0c\x0d\x20");
+}
FX_FLOAT FX_wtof(const FX_WCHAR* str, int len) {
if (len == 0) {
return 0.0;
@@ -1001,9 +932,11 @@ FX_FLOAT FX_wtof(const FX_WCHAR* str, int len) {
fraction += (FX_FLOAT)integer;
return bNegative ? -fraction : fraction;
}
+
int CFX_WideString::GetInteger() const {
return m_pData ? FXSYS_wtoi(m_pData->m_String) : 0;
}
+
FX_FLOAT CFX_WideString::GetFloat() const {
return m_pData ? FX_wtof(m_pData->m_String, m_pData->m_nDataLength) : 0.0f;
}
diff --git a/core/fxcrt/fx_basic_wstring_unittest.cpp b/core/fxcrt/fx_basic_wstring_unittest.cpp
index 8f0084619d..cfc190f72a 100644
--- a/core/fxcrt/fx_basic_wstring_unittest.cpp
+++ b/core/fxcrt/fx_basic_wstring_unittest.cpp
@@ -251,26 +251,26 @@ TEST(fxcrt, WideStringOperatorNE) {
TEST(fxcrt, WideStringConcatInPlace) {
CFX_WideString fred;
- fred.ConcatInPlace(4, L"FRED");
+ fred.Concat(L"FRED", 4);
EXPECT_EQ(L"FRED", fred);
- fred.ConcatInPlace(2, L"DY");
+ fred.Concat(L"DY", 2);
EXPECT_EQ(L"FREDDY", fred);
fred.Delete(3, 3);
EXPECT_EQ(L"FRE", fred);
- fred.ConcatInPlace(1, L"D");
+ fred.Concat(L"D", 1);
EXPECT_EQ(L"FRED", fred);
CFX_WideString copy = fred;
- fred.ConcatInPlace(2, L"DY");
+ fred.Concat(L"DY", 2);
EXPECT_EQ(L"FREDDY", fred);
EXPECT_EQ(L"FRED", copy);
// Test invalid arguments.
copy = fred;
- fred.ConcatInPlace(-6, L"freddy");
+ fred.Concat(L"freddy", -6);
CFX_WideString not_aliased(L"xxxxxx");
EXPECT_EQ(L"FREDDY", fred);
EXPECT_EQ(L"xxxxxx", not_aliased);
diff --git a/core/fxcrt/include/fx_string.h b/core/fxcrt/include/fx_string.h
index 7595795011..382e141dc2 100644
--- a/core/fxcrt/include/fx_string.h
+++ b/core/fxcrt/include/fx_string.h
@@ -482,16 +482,9 @@ class CFX_WideString {
public:
typedef FX_WCHAR value_type;
- CFX_WideString() : m_pData(nullptr) {}
-
- // Copy constructor.
- CFX_WideString(const CFX_WideString& str);
-
- // Move constructor.
- CFX_WideString(CFX_WideString&& other) {
- m_pData = other.m_pData;
- other.m_pData = nullptr;
- }
+ CFX_WideString() {}
+ CFX_WideString(const CFX_WideString& other) : m_pData(other.m_pData) {}
+ CFX_WideString(CFX_WideString&& other) { m_pData.Swap(other.m_pData); }
CFX_WideString(const FX_WCHAR* ptr)
: CFX_WideString(ptr, ptr ? FXSYS_wcslen(ptr) : 0) {}
@@ -527,9 +520,12 @@ class CFX_WideString {
return CFX_WideStringC(c_str(), GetLength());
}
- void Empty();
- bool IsEmpty() const { return !GetLength(); }
+ // Deprecated -- use clear().
+ void Empty() { m_pData.Reset(); }
+ void clear() { m_pData.Reset(); }
+
FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; }
+ bool IsEmpty() const { return !GetLength(); }
const CFX_WideString& operator=(const FX_WCHAR* str);
const CFX_WideString& operator=(const CFX_WideString& stringSrc);
@@ -587,11 +583,11 @@ class CFX_WideString {
void TrimRight();
void TrimRight(FX_WCHAR chTarget);
- void TrimRight(const FX_WCHAR* lpszTargets);
+ void TrimRight(const CFX_WideStringC& pTargets);
void TrimLeft();
void TrimLeft(FX_WCHAR chTarget);
- void TrimLeft(const FX_WCHAR* lpszTargets);
+ void TrimLeft(const CFX_WideStringC& pTargets);
void Reserve(FX_STRSIZE len);
FX_WCHAR* GetBuffer(FX_STRSIZE len);
@@ -600,53 +596,26 @@ class CFX_WideString {
int GetInteger() const;
FX_FLOAT GetFloat() const;
- FX_STRSIZE Find(const FX_WCHAR* lpszSub, FX_STRSIZE start = 0) const;
+ FX_STRSIZE Find(const CFX_WideStringC& pSub, FX_STRSIZE start = 0) const;
FX_STRSIZE Find(FX_WCHAR ch, FX_STRSIZE start = 0) const;
- FX_STRSIZE Replace(const FX_WCHAR* lpszOld, const FX_WCHAR* lpszNew);
+ FX_STRSIZE Replace(const CFX_WideStringC& pOld, const CFX_WideStringC& pNew);
FX_STRSIZE Remove(FX_WCHAR ch);
CFX_ByteString UTF8Encode() const;
CFX_ByteString UTF16LE_Encode() const;
protected:
- class StringData {
- public:
- static StringData* Create(int nLen);
- void Retain() { ++m_nRefs; }
- void Release() {
- if (--m_nRefs <= 0)
- FX_Free(this);
- }
+ using StringData = CFX_StringDataTemplate<FX_WCHAR>;
- intptr_t m_nRefs; // Would prefer ssize_t, but no windows support.
- FX_STRSIZE m_nDataLength;
- FX_STRSIZE m_nAllocLength;
- FX_WCHAR m_String[1];
-
- private:
- StringData(FX_STRSIZE dataLen, FX_STRSIZE allocLen)
- : m_nRefs(1), m_nDataLength(dataLen), m_nAllocLength(allocLen) {
- FXSYS_assert(dataLen >= 0);
- FXSYS_assert(allocLen >= 0);
- FXSYS_assert(dataLen <= allocLen);
- m_String[dataLen] = 0;
- }
- ~StringData() = delete;
- };
-
- void CopyBeforeWrite();
+ void ReallocBeforeWrite(FX_STRSIZE nLen);
void AllocBeforeWrite(FX_STRSIZE nLen);
- void ConcatInPlace(FX_STRSIZE nSrcLen, const FX_WCHAR* lpszSrcData);
- void ConcatCopy(FX_STRSIZE nSrc1Len,
- const FX_WCHAR* lpszSrc1Data,
- FX_STRSIZE nSrc2Len,
- const FX_WCHAR* lpszSrc2Data);
- void AssignCopy(FX_STRSIZE nSrcLen, const FX_WCHAR* lpszSrcData);
void AllocCopy(CFX_WideString& dest,
FX_STRSIZE nCopyLen,
FX_STRSIZE nCopyIndex) const;
+ void AssignCopy(const FX_WCHAR* pSrcData, FX_STRSIZE nSrcLen);
+ void Concat(const FX_WCHAR* lpszSrcData, FX_STRSIZE nSrcLen);
- StringData* m_pData;
+ CFX_RetainPtr<StringData> m_pData;
friend class fxcrt_WideStringConcatInPlace_Test;
};
diff --git a/core/fxge/ge/fx_ge_text.cpp b/core/fxge/ge/fx_ge_text.cpp
index 8d6fecf7a1..125547e5a7 100644
--- a/core/fxge/ge/fx_ge_text.cpp
+++ b/core/fxge/ge/fx_ge_text.cpp
@@ -192,7 +192,8 @@ FX_BOOL CFX_RenderDevice::DrawNormalText(int nChars,
bool should_call_draw_device_text = true;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
if ((text_flags & FXFONT_CIDFONT) ||
- (pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) != -1) ||
+ (pFont->GetPsName().Find(
+ CFX_WideString::FromLocal("+ZJHL").AsWideStringC()) != -1) ||
(pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) {
should_call_draw_device_text = false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:54:47 +0000