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authorRemko Tronçon <git@el-tramo.be>2012-08-17 21:07:13 (GMT)
committerRemko Tronçon <git@el-tramo.be>2012-08-17 21:07:13 (GMT)
commit4397df6b409ca84f63838fa635fc2abe8af80b71 (patch)
tree0806d51a1aaa6a1f9ac00df318be72fbee19ec1d /3rdParty/Breakpad/src/common/string_conversion.cc
parentead6c91f24d77de3319e77ae1354387407065ef1 (diff)
downloadswift-contrib-4397df6b409ca84f63838fa635fc2abe8af80b71.zip
swift-contrib-4397df6b409ca84f63838fa635fc2abe8af80b71.tar.bz2
Added Breakpad support for Windows.
Diffstat (limited to '3rdParty/Breakpad/src/common/string_conversion.cc')
-rw-r--r--3rdParty/Breakpad/src/common/string_conversion.cc155
1 files changed, 155 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/string_conversion.cc b/3rdParty/Breakpad/src/common/string_conversion.cc
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+++ b/3rdParty/Breakpad/src/common/string_conversion.cc
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+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <string.h>
+
+#include "common/convert_UTF.h"
+#include "common/string_conversion.h"
+#include "common/using_std_string.h"
+#include "processor/scoped_ptr.h"
+
+namespace google_breakpad {
+
+using std::vector;
+
+void UTF8ToUTF16(const char *in, vector<u_int16_t> *out) {
+ size_t source_length = strlen(in);
+ const UTF8 *source_ptr = reinterpret_cast<const UTF8 *>(in);
+ const UTF8 *source_end_ptr = source_ptr + source_length;
+ // Erase the contents and zero fill to the expected size
+ out->clear();
+ out->insert(out->begin(), source_length, 0);
+ u_int16_t *target_ptr = &(*out)[0];
+ u_int16_t *target_end_ptr = target_ptr + out->capacity() * sizeof(u_int16_t);
+ ConversionResult result = ConvertUTF8toUTF16(&source_ptr, source_end_ptr,
+ &target_ptr, target_end_ptr,
+ strictConversion);
+
+ // Resize to be the size of the # of converted characters + NULL
+ out->resize(result == conversionOK ? target_ptr - &(*out)[0] + 1: 0);
+}
+
+int UTF8ToUTF16Char(const char *in, int in_length, u_int16_t out[2]) {
+ const UTF8 *source_ptr = reinterpret_cast<const UTF8 *>(in);
+ const UTF8 *source_end_ptr = source_ptr + sizeof(char);
+ u_int16_t *target_ptr = out;
+ u_int16_t *target_end_ptr = target_ptr + 2 * sizeof(u_int16_t);
+ out[0] = out[1] = 0;
+
+ // Process one character at a time
+ while (1) {
+ ConversionResult result = ConvertUTF8toUTF16(&source_ptr, source_end_ptr,
+ &target_ptr, target_end_ptr,
+ strictConversion);
+
+ if (result == conversionOK)
+ return static_cast<int>(source_ptr - reinterpret_cast<const UTF8 *>(in));
+
+ // Add another character to the input stream and try again
+ source_ptr = reinterpret_cast<const UTF8 *>(in);
+ ++source_end_ptr;
+
+ if (source_end_ptr > reinterpret_cast<const UTF8 *>(in) + in_length)
+ break;
+ }
+
+ return 0;
+}
+
+void UTF32ToUTF16(const wchar_t *in, vector<u_int16_t> *out) {
+ size_t source_length = wcslen(in);
+ const UTF32 *source_ptr = reinterpret_cast<const UTF32 *>(in);
+ const UTF32 *source_end_ptr = source_ptr + source_length;
+ // Erase the contents and zero fill to the expected size
+ out->clear();
+ out->insert(out->begin(), source_length, 0);
+ u_int16_t *target_ptr = &(*out)[0];
+ u_int16_t *target_end_ptr = target_ptr + out->capacity() * sizeof(u_int16_t);
+ ConversionResult result = ConvertUTF32toUTF16(&source_ptr, source_end_ptr,
+ &target_ptr, target_end_ptr,
+ strictConversion);
+
+ // Resize to be the size of the # of converted characters + NULL
+ out->resize(result == conversionOK ? target_ptr - &(*out)[0] + 1: 0);
+}
+
+void UTF32ToUTF16Char(wchar_t in, u_int16_t out[2]) {
+ const UTF32 *source_ptr = reinterpret_cast<const UTF32 *>(&in);
+ const UTF32 *source_end_ptr = source_ptr + 1;
+ u_int16_t *target_ptr = out;
+ u_int16_t *target_end_ptr = target_ptr + 2 * sizeof(u_int16_t);
+ out[0] = out[1] = 0;
+ ConversionResult result = ConvertUTF32toUTF16(&source_ptr, source_end_ptr,
+ &target_ptr, target_end_ptr,
+ strictConversion);
+
+ if (result != conversionOK) {
+ out[0] = out[1] = 0;
+ }
+}
+
+static inline u_int16_t Swap(u_int16_t value) {
+ return (value >> 8) | (value << 8);
+}
+
+string UTF16ToUTF8(const vector<u_int16_t> &in, bool swap) {
+ const UTF16 *source_ptr = &in[0];
+ scoped_ptr<u_int16_t> source_buffer;
+
+ // If we're to swap, we need to make a local copy and swap each byte pair
+ if (swap) {
+ int idx = 0;
+ source_buffer.reset(new u_int16_t[in.size()]);
+ UTF16 *source_buffer_ptr = source_buffer.get();
+ for (vector<u_int16_t>::const_iterator it = in.begin();
+ it != in.end(); ++it, ++idx)
+ source_buffer_ptr[idx] = Swap(*it);
+
+ source_ptr = source_buffer.get();
+ }
+
+ // The maximum expansion would be 4x the size of the input string.
+ const UTF16 *source_end_ptr = source_ptr + in.size();
+ size_t target_capacity = in.size() * 4;
+ scoped_array<UTF8> target_buffer(new UTF8[target_capacity]);
+ UTF8 *target_ptr = target_buffer.get();
+ UTF8 *target_end_ptr = target_ptr + target_capacity;
+ ConversionResult result = ConvertUTF16toUTF8(&source_ptr, source_end_ptr,
+ &target_ptr, target_end_ptr,
+ strictConversion);
+
+ if (result == conversionOK) {
+ const char *targetPtr = reinterpret_cast<const char *>(target_buffer.get());
+ return targetPtr;
+ }
+
+ return "";
+}
+
+} // namespace google_breakpad