1 // Copyright (c) 2009-2021, Google LLC
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are met:
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above copyright
9 // notice, this list of conditions and the following disclaimer in the
10 // documentation and/or other materials provided with the distribution.
11 // * Neither the name of Google LLC nor the
12 // names of its contributors may be used to endorse or promote products
13 // derived from this software without specific prior written permission.
14 //
15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 // ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
19 // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26 #include "protos_generator/output.h"
27
28 #include "absl/strings/str_replace.h"
29
30 namespace protos_generator {
31 namespace {
32
33 namespace protobuf = ::google::protobuf;
34
35 } // namespace
36
StripExtension(absl::string_view fname)37 std::string StripExtension(absl::string_view fname) {
38 size_t lastdot = fname.find_last_of('.');
39 if (lastdot == std::string::npos) {
40 return std::string(fname);
41 }
42 return std::string(fname.substr(0, lastdot));
43 }
44
ToCIdent(absl::string_view str)45 std::string ToCIdent(absl::string_view str) {
46 return absl::StrReplaceAll(str, {{".", "_"}, {"/", "_"}, {"-", "_"}});
47 }
48
ToPreproc(absl::string_view str)49 std::string ToPreproc(absl::string_view str) {
50 return absl::AsciiStrToUpper(ToCIdent(str));
51 }
52
EmitFileWarning(const protobuf::FileDescriptor * file,Output & output)53 void EmitFileWarning(const protobuf::FileDescriptor* file, Output& output) {
54 output(
55 R"cc(
56 /* This file was generated by protos_generator (the upb C++ compiler) "
57 from the input
58 * file:
59 *
60 * $0
61 *
62 * Do not edit -- your changes will be discarded when the file is
63 * regenerated. */
64 )cc",
65 file->name());
66 output("\n");
67 }
68
69 std::string MessageName(const protobuf::Descriptor* descriptor) {
70 return ToCIdent(descriptor->full_name());
71 }
72
73 std::string FileLayoutName(const google::protobuf::FileDescriptor* file) {
74 return ToCIdent(file->name()) + "_upb_file_layout";
75 }
76
77 std::string CHeaderFilename(const google::protobuf::FileDescriptor* file) {
78 return StripExtension(file->name()) + ".upb.h";
79 }
80
81 std::string CSourceFilename(const google::protobuf::FileDescriptor* file) {
82 return StripExtension(file->name()) + ".upb.c";
83 }
84
85 } // namespace protos_generator
86