src/chrome/tools/mac_helpers/infoplist_strings_util.mm

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Helper tool that is built and run during a build to pull strings from
   6 // the GRD files and generate the InfoPlist.strings files needed for
   7 // Mac OS X app bundles.
   8
   9 #import <Foundation/Foundation.h>
  10
  11 #include <stdio.h>
  12 #include <unistd.h>
  13
  14 #include "base/file_util.h"
  15 #include "base/files/file_path.h"
  16 #include "base/mac/scoped_nsautorelease_pool.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/strings/string_number_conversions.h"
  19 #include "base/strings/string_piece.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/string_util.h"
  22 #include "base/strings/sys_string_conversions.h"
  23 #include "chrome/grit/chromium_strings.h"
  24 #include "ui/base/resource/data_pack.h"
  25
  26 namespace {
  27
  28 NSString* ApplicationVersionString(const char* version_file_path) {
  29   NSError* error = nil;
  30   NSString* path_string = [NSString stringWithUTF8String:version_file_path];
  31   NSString* version_file =
  32       [NSString stringWithContentsOfFile:path_string
  33                                 encoding:NSUTF8StringEncoding
  34                                    error:&error];
  35   if (!version_file || error) {
  36     fprintf(stderr, "Failed to load version file: %s\n",
  37             [[error description] UTF8String]);
  38     return nil;
  39   }
  40
  41   int major = 0, minor = 0, build = 0, patch = 0;
  42   NSScanner* scanner = [NSScanner scannerWithString:version_file];
  43   if ([scanner scanString:@"MAJOR=" intoString:nil] &&
  44       [scanner scanInt:&major] &&
  45       [scanner scanString:@"MINOR=" intoString:nil] &&
  46       [scanner scanInt:&minor] &&
  47       [scanner scanString:@"BUILD=" intoString:nil] &&
  48       [scanner scanInt:&build] &&
  49       [scanner scanString:@"PATCH=" intoString:nil] &&
  50       [scanner scanInt:&patch]) {
  51     return [NSString stringWithFormat:@"%d.%d.%d.%d",
  52             major, minor, build, patch];
  53   }
  54   fprintf(stderr, "Failed to parse version file\n");
  55   return nil;
  56 }
  57
  58 ui::DataPack* LoadResourceDataPack(const char* dir_path,
  59                                    const char* branding_strings_name,
  60                                    const char* locale_name) {
  61   ui::DataPack* resource_pack = NULL;
  62
  63   NSString* resource_path = [NSString stringWithFormat:@"%s/%s_%s.pak",
  64                              dir_path, branding_strings_name, locale_name];
  65   if (resource_path) {
  66     base::FilePath resources_pak_path([resource_path fileSystemRepresentation]);
  67     resources_pak_path = base::MakeAbsoluteFilePath(resources_pak_path);
  68     resource_pack = new ui::DataPack(ui::SCALE_FACTOR_100P);
  69     bool success = resource_pack->LoadFromPath(resources_pak_path);
  70     if (!success) {
  71       delete resource_pack;
  72       resource_pack = NULL;
  73     }
  74   }
  75
  76   return resource_pack;
  77 }
  78
  79 NSString* LoadStringFromDataPack(ui::DataPack* data_pack,
  80                                  const char* data_pack_lang,
  81                                  uint32_t resource_id,
  82                                  const char* resource_id_str) {
  83   NSString* result = nil;
  84   base::StringPiece data;
  85   if (data_pack->GetStringPiece(resource_id, &data)) {
  86     // Data pack encodes strings as either UTF8 or UTF16.
  87     if (data_pack->GetTextEncodingType() == ui::DataPack::UTF8) {
  88       result =
  89           [[[NSString alloc] initWithBytes:data.data()
  90                                     length:data.length()
  91                                   encoding:NSUTF8StringEncoding]
  92            autorelease];
  93     } else if (data_pack->GetTextEncodingType() == ui::DataPack::UTF16) {
  94       result =
  95           [[[NSString alloc] initWithBytes:data.data()
  96                                     length:data.length()
  97                                   encoding:NSUTF16LittleEndianStringEncoding]
  98            autorelease];
  99     } else {
 100       fprintf(stderr, "ERROR: requested string %s from binary data pack\n",
 101               resource_id_str);
 102       exit(1);
 103     }
 104   }
 105   if (!result) {
 106     fprintf(stderr, "ERROR: failed to load string %s for lang %s\n",
 107             resource_id_str, data_pack_lang);
 108     exit(1);
 109   }
 110   return result;
 111 }
 112
 113 // Escape quotes, newlines, etc so there are no errors when the strings file
 114 // is parsed.
 115 NSString* EscapeForStringsFileValue(NSString* str) {
 116   NSMutableString* worker = [NSMutableString stringWithString:str];
 117
 118   // Since this is a build tool, we don't really worry about making this
 119   // the most efficient code.
 120
 121   // Backslash first since we need to do it before we put in all the others
 122   [worker replaceOccurrencesOfString:@"\\"
 123                           withString:@"\\\\"
 124                              options:NSLiteralSearch
 125                                range:NSMakeRange(0, [worker length])];
 126   // Now the rest of them.
 127   [worker replaceOccurrencesOfString:@"\n"
 128                           withString:@"\\n"
 129                              options:NSLiteralSearch
 130                                range:NSMakeRange(0, [worker length])];
 131   [worker replaceOccurrencesOfString:@"\r"
 132                           withString:@"\\r"
 133                              options:NSLiteralSearch
 134                                range:NSMakeRange(0, [worker length])];
 135   [worker replaceOccurrencesOfString:@"\t"
 136                           withString:@"\\t"
 137                              options:NSLiteralSearch
 138                                range:NSMakeRange(0, [worker length])];
 139   [worker replaceOccurrencesOfString:@"\""
 140                           withString:@"\\\""
 141                              options:NSLiteralSearch
 142                                range:NSMakeRange(0, [worker length])];
 143
 144   return [[worker copy] autorelease];
 145 }
 146
 147 // The valid types for the -t arg
 148 const char* kAppType_Main = "main";  // Main app
 149 const char* kAppType_Helper = "helper";  // Helper app
 150
 151 }  // namespace
 152
 153 int main(int argc, char* const argv[]) {
 154   base::mac::ScopedNSAutoreleasePool autorelease_pool;
 155
 156   const char* version_file_path = NULL;
 157   const char* grit_output_dir = NULL;
 158   const char* branding_strings_name = NULL;
 159   const char* output_dir = NULL;
 160   const char* app_type = kAppType_Main;
 161
 162   // Process the args
 163   int ch;
 164   while ((ch = getopt(argc, argv, "t:v:g:b:o:")) != -1) {
 165     switch (ch) {
 166       case 't':
 167         app_type = optarg;
 168         break;
 169       case 'v':
 170         version_file_path = optarg;
 171         break;
 172       case 'g':
 173         grit_output_dir = optarg;
 174         break;
 175       case 'b':
 176         branding_strings_name = optarg;
 177         break;
 178       case 'o':
 179         output_dir = optarg;
 180         break;
 181       default:
 182         fprintf(stderr, "ERROR: bad command line arg\n");
 183         exit(1);
 184         break;
 185     }
 186   }
 187   argc -= optind;
 188   argv += optind;
 189
 190 #define CHECK_ARG(a, b) \
 191   do { \
 192     if ((a)) { \
 193       fprintf(stderr, "ERROR: " b "\n"); \
 194       exit(1); \
 195     } \
 196   } while (false)
 197
 198   // Check our args
 199   CHECK_ARG(!version_file_path, "Missing VERSION file path");
 200   CHECK_ARG(!grit_output_dir, "Missing grit output dir path");
 201   CHECK_ARG(!output_dir, "Missing path to write InfoPlist.strings files");
 202   CHECK_ARG(!branding_strings_name, "Missing branding strings file name");
 203   CHECK_ARG(argc == 0, "Missing language list");
 204   CHECK_ARG((strcmp(app_type, kAppType_Main) != 0 &&
 205              strcmp(app_type, kAppType_Helper) != 0),
 206             "Unknown app type");
 207
 208   char* const* lang_list = argv;
 209   int lang_list_count = argc;
 210
 211   // Parse the version file and build our string
 212   NSString* version_string = ApplicationVersionString(version_file_path);
 213   if (!version_string) {
 214     fprintf(stderr, "ERROR: failed to get a version string");
 215     exit(1);
 216   }
 217
 218   NSFileManager* fm = [NSFileManager defaultManager];
 219
 220   for (int loop = 0; loop < lang_list_count; ++loop) {
 221     const char* cur_lang = lang_list[loop];
 222
 223     // Open the branded string pak file
 224     scoped_ptr<ui::DataPack> branded_data_pack(
 225         LoadResourceDataPack(grit_output_dir,
 226                              branding_strings_name,
 227                              cur_lang));
 228     if (branded_data_pack.get() == NULL) {
 229       fprintf(stderr, "ERROR: Failed to load branded pak for language: %s\n",
 230               cur_lang);
 231       exit(1);
 232     }
 233
 234     uint32_t name_id = IDS_PRODUCT_NAME;
 235     const char* name_id_str = "IDS_PRODUCT_NAME";
 236     uint32_t short_name_id = IDS_APP_MENU_PRODUCT_NAME;
 237     const char* short_name_id_str = "IDS_APP_MENU_PRODUCT_NAME";
 238     if (strcmp(app_type, kAppType_Helper) == 0) {
 239       name_id = IDS_HELPER_NAME;
 240       name_id_str = "IDS_HELPER_NAME";
 241       short_name_id = IDS_SHORT_HELPER_NAME;
 242       short_name_id_str = "IDS_SHORT_HELPER_NAME";
 243     }
 244
 245     // Fetch the strings
 246     NSString* name =
 247           LoadStringFromDataPack(branded_data_pack.get(), cur_lang,
 248                                  name_id, name_id_str);
 249     NSString* short_name =
 250           LoadStringFromDataPack(branded_data_pack.get(), cur_lang,
 251                                  short_name_id, short_name_id_str);
 252     NSString* copyright_format =
 253         LoadStringFromDataPack(branded_data_pack.get(), cur_lang,
 254                                IDS_ABOUT_VERSION_COPYRIGHT,
 255                                "IDS_ABOUT_VERSION_COPYRIGHT");
 256     NSString* address_book_prompt_description =
 257         LoadStringFromDataPack(branded_data_pack.get(), cur_lang,
 258                                IDS_AUTOFILL_ADDRESS_BOOK_PROMPT_DESCRIPTION,
 259                                "IDS_AUTOFILL_ADDRESS_BOOK_PROMPT_DESCRIPTION");
 260
 261     base::Time::Exploded exploded_time;
 262     base::Time::Now().LocalExplode(&exploded_time);
 263     std::vector<base::string16> replacements;
 264     replacements.push_back(base::IntToString16(exploded_time.year));
 265     NSString* copyright = base::SysUTF16ToNSString(
 266         ReplaceStringPlaceholders(base::SysNSStringToUTF16(copyright_format),
 267                                   replacements,
 268                                   NULL));
 269
 270     // For now, assume this is ok for all languages. If we need to, this could
 271     // be moved into generated_resources.grd and fetched.
 272     NSString *get_info = [NSString stringWithFormat:@"%@ %@, %@",
 273                           name, version_string, copyright];
 274
 275     // Generate the InfoPlist.strings file contents
 276     NSString* strings_file_contents_string =
 277         [NSString stringWithFormat:
 278           @"CFBundleDisplayName = \"%@\";\n"
 279           @"CFBundleGetInfoString = \"%@\";\n"
 280           @"CFBundleName = \"%@\";\n"
 281           @"NSContactsUsageDescription = \"%@\";\n"
 282           @"NSHumanReadableCopyright = \"%@\";\n",
 283           EscapeForStringsFileValue(name),
 284           EscapeForStringsFileValue(get_info),
 285           EscapeForStringsFileValue(short_name),
 286           EscapeForStringsFileValue(address_book_prompt_description),
 287           EscapeForStringsFileValue(copyright)];
 288
 289     // We set up Xcode projects expecting strings files to be UTF8, so make
 290     // sure we write the data in that form.  When Xcode copies them it will
 291     // put them final runtime encoding.
 292     NSData* strings_file_contents_utf8 =
 293         [strings_file_contents_string dataUsingEncoding:NSUTF8StringEncoding];
 294
 295     if ([strings_file_contents_utf8 length] == 0) {
 296       fprintf(stderr, "ERROR: failed to get the utf8 encoding of the strings "
 297               "file for language: %s\n", cur_lang);
 298       exit(1);
 299     }
 300
 301     // For Cocoa to find the locale at runtime, it needs to use '_' instead of
 302     // '-' (http://crbug.com/20441).  Also, 'en-US' should be represented
 303     // simply as 'en' (http://crbug.com/19165, http://crbug.com/25578).
 304     NSString* cur_lang_ns = [NSString stringWithUTF8String:cur_lang];
 305     if ([cur_lang_ns isEqualToString:@"en-US"]) {
 306       cur_lang_ns = @"en";
 307     }
 308     cur_lang_ns = [cur_lang_ns stringByReplacingOccurrencesOfString:@"-"
 309                                                          withString:@"_"];
 310     // Make sure the lproj we write to exists
 311     NSString *lproj_name = [NSString stringWithFormat:@"%@.lproj", cur_lang_ns];
 312     NSString *output_path =
 313         [[NSString stringWithUTF8String:output_dir]
 314          stringByAppendingPathComponent:lproj_name];
 315     NSError* error = nil;
 316     if (![fm fileExistsAtPath:output_path] &&
 317         ![fm createDirectoryAtPath:output_path
 318         withIntermediateDirectories:YES
 319                         attributes:nil
 320                              error:&error]) {
 321       fprintf(stderr, "ERROR: '%s' didn't exist or we failed to create it\n",
 322               [output_path UTF8String]);
 323       exit(1);
 324     }
 325
 326     // Write out the file
 327     output_path =
 328         [output_path stringByAppendingPathComponent:@"InfoPlist.strings"];
 329     if (![strings_file_contents_utf8 writeToFile:output_path
 330                                       atomically:YES]) {
 331       fprintf(stderr, "ERROR: Failed to write out '%s'\n",
 332               [output_path UTF8String]);
 333       exit(1);
 334     }
 335   }
 336   return 0;
 337 }