aboutsummaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--src/Makefile.am2
-rw-r--r--src/google/protobuf/compiler/command_line_interface.cc151
-rw-r--r--src/google/protobuf/compiler/command_line_interface.h3
-rw-r--r--src/google/protobuf/compiler/zip_writer.cc189
-rw-r--r--src/google/protobuf/compiler/zip_writer.h63
-rw-r--r--vsprojects/libprotoc.vcproj8
6 files changed, 366 insertions, 50 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index bf1ddaed..992b179d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -131,6 +131,8 @@ libprotoc_la_SOURCES = \
google/protobuf/compiler/plugin.pb.cc \
google/protobuf/compiler/subprocess.cc \
google/protobuf/compiler/subprocess.h \
+ google/protobuf/compiler/zip_writer.cc \
+ google/protobuf/compiler/zip_writer.h \
google/protobuf/compiler/cpp/cpp_enum.cc \
google/protobuf/compiler/cpp/cpp_enum.h \
google/protobuf/compiler/cpp/cpp_enum_field.cc \
diff --git a/src/google/protobuf/compiler/command_line_interface.cc b/src/google/protobuf/compiler/command_line_interface.cc
index 9a91b8c2..c266766c 100644
--- a/src/google/protobuf/compiler/command_line_interface.cc
+++ b/src/google/protobuf/compiler/command_line_interface.cc
@@ -52,6 +52,7 @@
#include <google/protobuf/compiler/code_generator.h>
#include <google/protobuf/compiler/plugin.pb.h>
#include <google/protobuf/compiler/subprocess.h>
+#include <google/protobuf/compiler/zip_writer.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/text_format.h>
#include <google/protobuf/dynamic_message.h>
@@ -155,7 +156,7 @@ bool VerifyDirectoryExists(const string& path) {
// parent if necessary, and so on. The full file name is actually
// (prefix + filename), but we assume |prefix| already exists and only create
// directories listed in |filename|.
-void TryCreateParentDirectory(const string& prefix, const string& filename) {
+bool TryCreateParentDirectory(const string& prefix, const string& filename) {
// Recursively create parent directories to the output file.
vector<string> parts;
SplitStringUsing(filename, "/", &parts);
@@ -166,11 +167,13 @@ void TryCreateParentDirectory(const string& prefix, const string& filename) {
if (errno != EEXIST) {
cerr << filename << ": while trying to create directory "
<< path_so_far << ": " << strerror(errno) << endl;
- return;
+ return false;
}
}
path_so_far += '/';
}
+
+ return true;
}
} // namespace
@@ -222,7 +225,8 @@ class CommandLineInterface::MemoryOutputDirectory : public OutputDirectory {
MemoryOutputDirectory();
~MemoryOutputDirectory();
- bool WriteAllToDisk();
+ bool WriteAllToDisk(const string& prefix);
+ bool WriteAllToZip(const string& filename);
// implements OutputDirectory --------------------------------------
io::ZeroCopyOutputStream* Open(const string& filename);
@@ -232,36 +236,12 @@ class CommandLineInterface::MemoryOutputDirectory : public OutputDirectory {
private:
friend class MemoryOutputStream;
- hash_map<string, string*> files_;
+ // map instead of hash_map so that files are written in order (good when
+ // writing zips).
+ map<string, string*> files_;
bool had_error_;
};
-// OutputDirectory that just adds some prefix to every file name.
-class CommandLineInterface::SubOutputDirectory : public OutputDirectory {
- public:
- SubOutputDirectory(OutputDirectory* parent, const string& prefix)
- : parent_(parent), prefix_(prefix) {}
- ~SubOutputDirectory() {}
-
- // implements OutputDirectory --------------------------------------
- io::ZeroCopyOutputStream* Open(const string& filename) {
- // TODO(kenton): This is not the cleanest place to deal with creation of
- // parent directories, but it does the right thing given the way this
- // class is used, and this class is private to this file anyway, so it's
- // probably not worth fixing for now.
- TryCreateParentDirectory(prefix_, filename);
- return parent_->Open(prefix_ + filename);
- }
- io::ZeroCopyOutputStream* OpenForInsert(
- const string& filename, const string& insertion_point) {
- return parent_->OpenForInsert(prefix_ + filename, insertion_point);
- }
-
- private:
- OutputDirectory* parent_;
- string prefix_;
-};
-
class CommandLineInterface::MemoryOutputStream
: public io::ZeroCopyOutputStream {
public:
@@ -297,17 +277,27 @@ CommandLineInterface::MemoryOutputDirectory::~MemoryOutputDirectory() {
STLDeleteValues(&files_);
}
-bool CommandLineInterface::MemoryOutputDirectory::WriteAllToDisk() {
+bool CommandLineInterface::MemoryOutputDirectory::WriteAllToDisk(
+ const string& prefix) {
if (had_error_) {
return false;
}
- for (hash_map<string, string*>::const_iterator iter = files_.begin();
+ if (!VerifyDirectoryExists(prefix)) {
+ return false;
+ }
+
+ for (map<string, string*>::const_iterator iter = files_.begin();
iter != files_.end(); ++iter) {
- const string& filename = iter->first;
+ const string& relative_filename = iter->first;
const char* data = iter->second->data();
int size = iter->second->size();
+ if (!TryCreateParentDirectory(prefix, relative_filename)) {
+ return false;
+ }
+ string filename = prefix + relative_filename;
+
// Create the output file.
int file_descriptor;
do {
@@ -362,6 +352,47 @@ bool CommandLineInterface::MemoryOutputDirectory::WriteAllToDisk() {
return true;
}
+bool CommandLineInterface::MemoryOutputDirectory::WriteAllToZip(
+ const string& filename) {
+ if (had_error_) {
+ return false;
+ }
+
+ // Create the output file.
+ int file_descriptor;
+ do {
+ file_descriptor =
+ open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
+ } while (file_descriptor < 0 && errno == EINTR);
+
+ if (file_descriptor < 0) {
+ int error = errno;
+ cerr << filename << ": " << strerror(error);
+ return false;
+ }
+
+ // Create the ZipWriter
+ io::FileOutputStream stream(file_descriptor);
+ ZipWriter zip_writer(&stream);
+
+ for (map<string, string*>::const_iterator iter = files_.begin();
+ iter != files_.end(); ++iter) {
+ zip_writer.Write(iter->first, *iter->second);
+ }
+
+ zip_writer.WriteDirectory();
+
+ if (stream.GetErrno() != 0) {
+ cerr << filename << ": " << strerror(stream.GetErrno()) << endl;
+ }
+
+ if (!stream.Close()) {
+ cerr << filename << ": " << strerror(stream.GetErrno()) << endl;
+ }
+
+ return true;
+}
+
io::ZeroCopyOutputStream* CommandLineInterface::MemoryOutputDirectory::Open(
const string& filename) {
return new MemoryOutputStream(this, filename);
@@ -552,19 +583,51 @@ int CommandLineInterface::Run(int argc, const char* const argv[]) {
}
}
+ // We construct a separate OutputDirectory for each output location. Note
+ // that two code generators may output to the same location, in which case
+ // they should share a single OutputDirectory (so that OpenForInsert() works).
+ typedef hash_map<string, MemoryOutputDirectory*> OutputDirectoryMap;
+ OutputDirectoryMap output_directories_;
+
// Generate output.
MemoryOutputDirectory output_directory;
if (mode_ == MODE_COMPILE) {
for (int i = 0; i < output_directives_.size(); i++) {
- if (!GenerateOutput(parsed_files, output_directives_[i],
- &output_directory)) {
+ string output_location = output_directives_[i].output_location;
+ cout << "location: " << output_location << endl;
+ if (!HasSuffixString(output_location, ".zip") &&
+ !HasSuffixString(output_location, ".jar") &&
+ !HasSuffixString(output_location, ".war") &&
+ !HasSuffixString(output_location, ".par")) {
+ AddTrailingSlash(&output_location);
+ }
+ MemoryOutputDirectory** map_slot = &output_directories_[output_location];
+
+ if (*map_slot == NULL) {
+ // First time we've seen this output location.
+ *map_slot = new MemoryOutputDirectory;
+ }
+
+ if (!GenerateOutput(parsed_files, output_directives_[i], *map_slot)) {
return 1;
}
}
}
- if (!output_directory.WriteAllToDisk()) {
- return 1;
+ // Write all output to disk.
+ for (OutputDirectoryMap::iterator iter = output_directories_.begin();
+ iter != output_directories_.end(); ++iter) {
+ const string& location = iter->first;
+ MemoryOutputDirectory* directory = iter->second;
+ if (HasSuffixString(location, "/")) {
+ if (!directory->WriteAllToDisk(location)) {
+ return 1;
+ }
+ } else {
+ if (!directory->WriteAllToZip(location)) {
+ return 1;
+ }
+ }
}
if (!descriptor_set_name_.empty()) {
@@ -1009,15 +1072,7 @@ void CommandLineInterface::PrintHelpText() {
bool CommandLineInterface::GenerateOutput(
const vector<const FileDescriptor*>& parsed_files,
const OutputDirective& output_directive,
- OutputDirectory* parent_output_directory) {
- // Set up the OutputDirectory.
- string path = output_directive.output_location;
- AddTrailingSlash(&path);
- if (!VerifyDirectoryExists(path)) {
- return false;
- }
- SubOutputDirectory output_directory(parent_output_directory, path);
-
+ OutputDirectory* output_directory) {
// Call the generator.
string error;
if (output_directive.generator == NULL) {
@@ -1032,7 +1087,7 @@ bool CommandLineInterface::GenerateOutput(
if (!GeneratePluginOutput(parsed_files, plugin_name,
output_directive.parameter,
- &output_directory, &error)) {
+ output_directory, &error)) {
cerr << output_directive.name << ": " << error << endl;
return false;
}
@@ -1041,7 +1096,7 @@ bool CommandLineInterface::GenerateOutput(
for (int i = 0; i < parsed_files.size(); i++) {
if (!output_directive.generator->Generate(
parsed_files[i], output_directive.parameter,
- &output_directory, &error)) {
+ output_directory, &error)) {
// Generator returned an error.
cerr << output_directive.name << ": " << parsed_files[i]->name() << ": "
<< error << endl;
diff --git a/src/google/protobuf/compiler/command_line_interface.h b/src/google/protobuf/compiler/command_line_interface.h
index 1a75ec85..d25a50e6 100644
--- a/src/google/protobuf/compiler/command_line_interface.h
+++ b/src/google/protobuf/compiler/command_line_interface.h
@@ -175,7 +175,6 @@ class LIBPROTOC_EXPORT CommandLineInterface {
class ErrorPrinter;
class MemoryOutputDirectory;
- class SubOutputDirectory;
class MemoryOutputStream;
// Clear state from previous Run().
@@ -213,7 +212,7 @@ class LIBPROTOC_EXPORT CommandLineInterface {
struct OutputDirective; // see below
bool GenerateOutput(const vector<const FileDescriptor*>& parsed_files,
const OutputDirective& output_directive,
- OutputDirectory* parent_output_directory);
+ OutputDirectory* output_directory);
bool GeneratePluginOutput(const vector<const FileDescriptor*>& parsed_files,
const string& plugin_name,
const string& parameter,
diff --git a/src/google/protobuf/compiler/zip_writer.cc b/src/google/protobuf/compiler/zip_writer.cc
new file mode 100644
index 00000000..2bb648b0
--- /dev/null
+++ b/src/google/protobuf/compiler/zip_writer.cc
@@ -0,0 +1,189 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// 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: ambrose@google.com (Ambrose Feinstein),
+// kenton@google.com (Kenton Varda)
+//
+// Based on http://www.pkware.com/documents/casestudies/APPNOTE.TXT
+
+#include <google/protobuf/compiler/zip_writer.h>
+#include <google/protobuf/io/coded_stream.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+
+static const uint32 kCRC32Table[256] = {
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+ 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+ 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+ 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+ 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+ 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
+ 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+ 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
+ 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+ 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+ 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+ 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+ 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+ 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+ 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+ 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+ 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+ 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+ 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+ 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+ 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+ 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+ 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+ 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+ 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+ 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+ 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+ 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+ 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+ 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+ 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+// XXX this appears to be broken, but unzip -t accepts it anyway? wtff?
+static uint32 ComputeCRC32(const string &buf) {
+ uint32 x = ~0U;
+ for (int i = 0; i < buf.size(); ++i) {
+ unsigned char c = buf[i];
+ x = kCRC32Table[(x ^ c) & 0xff] ^ (x >> 8);
+ }
+ return ~x;
+}
+
+static void WriteShort(io::CodedOutputStream *out, uint16 val) {
+ uint8 p[2];
+ p[0] = static_cast<uint8>(val);
+ p[1] = static_cast<uint8>(val >> 8);
+ out->WriteRaw(p, 2);
+}
+
+ZipWriter::ZipWriter(io::ZeroCopyOutputStream* raw_output)
+ : raw_output_(raw_output) {}
+ZipWriter::~ZipWriter() {}
+
+bool ZipWriter::Write(const string& filename, const string& contents) {
+ FileInfo info;
+
+ info.name = filename;
+ uint16 filename_size = filename.size(); // XXX check conversion
+ info.offset = raw_output_->ByteCount(); // XXX check conversion
+ info.size = contents.size(); // XXX check conversion
+ info.crc32 = ComputeCRC32(contents);
+
+ files_.push_back(info);
+
+ // write file header
+ io::CodedOutputStream output(raw_output_);
+ output.WriteLittleEndian32(0x04034b50); // magic
+ WriteShort(&output, 10); // version needed to extract
+ WriteShort(&output, 0); // flags
+ WriteShort(&output, 0); // compression method: stored
+ WriteShort(&output, 0); // last modified time
+ WriteShort(&output, 0); // last modified date
+ output.WriteLittleEndian32(info.crc32); // crc-32
+ output.WriteLittleEndian32(info.size); // compressed size
+ output.WriteLittleEndian32(info.size); // uncompressed size
+ WriteShort(&output, filename_size); // file name length
+ WriteShort(&output, 0); // extra field length
+ output.WriteString(filename); // file name
+ output.WriteString(contents); // file data
+
+ return !output.HadError();
+}
+
+bool ZipWriter::WriteDirectory() {
+ uint16 num_entries = files_.size(); // XXX check conversion
+ uint32 dir_ofs = raw_output_->ByteCount(); // XXX check conversion
+
+ // write central directory
+ io::CodedOutputStream output(raw_output_);
+ for (int i = 0; i < num_entries; ++i) {
+ const string &filename = files_[i].name;
+ uint16 filename_size = filename.size(); // XXX check conversion
+ uint32 crc32 = files_[i].crc32;
+ uint32 size = files_[i].size;
+ uint32 offset = files_[i].offset;
+
+ output.WriteLittleEndian32(0x02014b50); // magic
+ WriteShort(&output, 10); // version made by
+ WriteShort(&output, 10); // version needed to extract
+ WriteShort(&output, 0); // flags
+ WriteShort(&output, 0); // compression method: stored
+ WriteShort(&output, 0); // last modified time
+ WriteShort(&output, 0); // last modified date
+ output.WriteLittleEndian32(crc32); // crc-32
+ output.WriteLittleEndian32(size); // compressed size
+ output.WriteLittleEndian32(size); // uncompressed size
+ WriteShort(&output, filename_size); // file name length
+ WriteShort(&output, 0); // extra field length
+ WriteShort(&output, 0); // file comment length
+ WriteShort(&output, 0); // starting disk number
+ WriteShort(&output, 0); // internal file attributes
+ output.WriteLittleEndian32(0); // external file attributes
+ output.WriteLittleEndian32(offset); // local header offset
+ output.WriteString(filename); // file name
+ }
+ uint32 dir_len = output.ByteCount(); // XXX check conversion
+
+ // write end of central directory marker
+ output.WriteLittleEndian32(0x06054b50); // magic
+ WriteShort(&output, 0); // disk number
+ WriteShort(&output, 0); // disk with start of central directory
+ WriteShort(&output, num_entries); // central directory entries (this disk)
+ WriteShort(&output, num_entries); // central directory entries (total)
+ output.WriteLittleEndian32(dir_len); // central directory byte size
+ output.WriteLittleEndian32(dir_ofs); // central directory offset
+ WriteShort(&output, 0); // comment length
+
+ return output.HadError();
+}
+
+} // namespace google
+} // namespace protobuf
+} // namespace compiler
diff --git a/src/google/protobuf/compiler/zip_writer.h b/src/google/protobuf/compiler/zip_writer.h
new file mode 100644
index 00000000..42895530
--- /dev/null
+++ b/src/google/protobuf/compiler/zip_writer.h
@@ -0,0 +1,63 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// 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 <vector>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/io/zero_copy_stream.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+
+class ZipWriter {
+ public:
+ ZipWriter(io::ZeroCopyOutputStream* raw_output);
+ ~ZipWriter();
+
+ bool Write(const string& filename, const string& contents);
+ bool WriteDirectory();
+
+ private:
+ struct FileInfo {
+ string name;
+ uint32 offset;
+ uint32 size;
+ uint32 crc32;
+ };
+
+ io::ZeroCopyOutputStream* raw_output_;
+ vector<FileInfo> files_;
+};
+
+} // namespace google
+} // namespace protobuf
+} // namespace compiler
diff --git a/vsprojects/libprotoc.vcproj b/vsprojects/libprotoc.vcproj
index f38b28d0..fa26c24b 100644
--- a/vsprojects/libprotoc.vcproj
+++ b/vsprojects/libprotoc.vcproj
@@ -159,6 +159,10 @@
RelativePath="..\src\google\protobuf\compiler\subprocess.h"
>
</File>
+ <File
+ RelativePath="..\src\google\protobuf\compiler\zip_writer.h"
+ >
+ </File>
<File
RelativePath="..\src\google\protobuf\compiler\plugin.h"
>
@@ -287,6 +291,10 @@
RelativePath="..\src\google\protobuf\compiler\subprocess.cc"
>
</File>
+ <File
+ RelativePath="..\src\google\protobuf\compiler\zip_writer.cc"
+ >
+ </File>
<File
RelativePath="..\src\google\protobuf\compiler\plugin.cc"
>