Squashed 'third_party/protobuf/' content from commit e35e248
Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/src/google/protobuf/stubs/substitute.cc b/src/google/protobuf/stubs/substitute.cc
new file mode 100644
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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// 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.
+
+// Author: kenton@google.com (Kenton Varda)
+
+#include <google/protobuf/stubs/substitute.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/stl_util.h>
+
+namespace google {
+namespace protobuf {
+namespace strings {
+
+using internal::SubstituteArg;
+
+// Returns the number of args in arg_array which were passed explicitly
+// to Substitute().
+static int CountSubstituteArgs(const SubstituteArg* const* args_array) {
+ int count = 0;
+ while (args_array[count] != NULL && args_array[count]->size() != -1) {
+ ++count;
+ }
+ return count;
+}
+
+string Substitute(
+ const char* format,
+ const SubstituteArg& arg0, const SubstituteArg& arg1,
+ const SubstituteArg& arg2, const SubstituteArg& arg3,
+ const SubstituteArg& arg4, const SubstituteArg& arg5,
+ const SubstituteArg& arg6, const SubstituteArg& arg7,
+ const SubstituteArg& arg8, const SubstituteArg& arg9) {
+ string result;
+ SubstituteAndAppend(&result, format, arg0, arg1, arg2, arg3, arg4,
+ arg5, arg6, arg7, arg8, arg9);
+ return result;
+}
+
+void SubstituteAndAppend(
+ string* output, const char* format,
+ const SubstituteArg& arg0, const SubstituteArg& arg1,
+ const SubstituteArg& arg2, const SubstituteArg& arg3,
+ const SubstituteArg& arg4, const SubstituteArg& arg5,
+ const SubstituteArg& arg6, const SubstituteArg& arg7,
+ const SubstituteArg& arg8, const SubstituteArg& arg9) {
+ const SubstituteArg* const args_array[] = {
+ &arg0, &arg1, &arg2, &arg3, &arg4, &arg5, &arg6, &arg7, &arg8, &arg9, NULL
+ };
+
+ // Determine total size needed.
+ int size = 0;
+ for (int i = 0; format[i] != '\0'; i++) {
+ if (format[i] == '$') {
+ if (ascii_isdigit(format[i+1])) {
+ int index = format[i+1] - '0';
+ if (args_array[index]->size() == -1) {
+ GOOGLE_LOG(DFATAL)
+ << "strings::Substitute format string invalid: asked for \"$"
+ << index << "\", but only " << CountSubstituteArgs(args_array)
+ << " args were given. Full format string was: \""
+ << CEscape(format) << "\".";
+ return;
+ }
+ size += args_array[index]->size();
+ ++i; // Skip next char.
+ } else if (format[i+1] == '$') {
+ ++size;
+ ++i; // Skip next char.
+ } else {
+ GOOGLE_LOG(DFATAL)
+ << "Invalid strings::Substitute() format string: \""
+ << CEscape(format) << "\".";
+ return;
+ }
+ } else {
+ ++size;
+ }
+ }
+
+ if (size == 0) return;
+
+ // Build the string.
+ int original_size = output->size();
+ STLStringResizeUninitialized(output, original_size + size);
+ char* target = string_as_array(output) + original_size;
+ for (int i = 0; format[i] != '\0'; i++) {
+ if (format[i] == '$') {
+ if (ascii_isdigit(format[i+1])) {
+ const SubstituteArg* src = args_array[format[i+1] - '0'];
+ memcpy(target, src->data(), src->size());
+ target += src->size();
+ ++i; // Skip next char.
+ } else if (format[i+1] == '$') {
+ *target++ = '$';
+ ++i; // Skip next char.
+ }
+ } else {
+ *target++ = format[i];
+ }
+ }
+
+ GOOGLE_DCHECK_EQ(target - output->data(), output->size());
+}
+
+} // namespace strings
+} // namespace protobuf
+} // namespace google