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Embed the translation files in the binary

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If a translation file exists in a "translations" directory located in
the same directory as the binary, it is used in priority (this can be
useful when working on translations as you don't have to recompile the
whole program all the time), and if no such file is found the embedded
translation file is used (if it exists).
This commit is contained in:
Guillaume LE VAILLANT
2017-12-15 18:44:01 +01:00
parent 319163d276
commit db2bc96512
4 changed files with 174 additions and 13 deletions
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translations/generate_translations_header.c
+86
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// Copyright (c) 2013, Sergey Lyubka
// Copyright (c) 2017, The Monero Project
// All rights reserved.
// Released under the MIT license.
// This program takes a list of files as an input, and produces C++ code that
// contains the contents of all these files as a collection of strings.
//
// Usage:
// 1. Compile this file:
// cc -o generate-translations-header generate-translations-header.c
//
// 2. Convert list of files into single header:
// ./generate-translations-header monero_fr.qm monero_it.qm > translations_files.h
//
// 3. In your application code, include translations_files.h, then you can
// access the files using this function:
// static bool find_embedded_file(const std::string &file_name, std::string &data);
// std::string data;
// find_embedded_file("monero_fr.qm", data);
#include <stdio.h>
#include <stdlib.h>
static const char *code =
"static bool find_embedded_file(const std::string &name, std::string &data) {\n"
" const struct embedded_file *p;\n"
" for (p = embedded_files; p->name != NULL; p++) {\n"
" if (*p->name == name) {\n"
" data = *p->data;\n"
" return true;\n"
" }\n"
" }\n"
" return false;\n"
"}\n";
int main(int argc, char *argv[]) {
FILE *fp, *foutput;
int i, j, ch;
if((foutput = fopen("translation_files.h", "w")) == NULL) {
exit(EXIT_FAILURE);
}
fprintf(foutput, "#ifndef TRANSLATION_FILES_H\n");
fprintf(foutput, "#define TRANSLATION_FILES_H\n\n");
fprintf(foutput, "#include <string>\n\n");
for (i = 1; i < argc; i++) {
if ((fp = fopen(argv[i], "rb")) == NULL) {
exit(EXIT_FAILURE);
} else {
fprintf(foutput, "static const std::string translation_file_name_%d = \"%s\";\n", i, argv[i]);
fprintf(foutput, "static const std::string translation_file_data_%d = std::string(", i);
for (j = 0; (ch = fgetc(fp)) != EOF; j++) {
if ((j % 16) == 0) {
if (j > 0) {
fprintf(foutput, "%s", "\"");
}
fprintf(foutput, "%s", "\n \"");
}
fprintf(foutput, "\\x%02x", ch);
}
fprintf(foutput, "\",\n %d);\n\n", j);
fclose(fp);
}
}
fprintf(foutput, "%s", "static const struct embedded_file {\n");
fprintf(foutput, "%s", " const std::string *name;\n");
fprintf(foutput, "%s", " const std::string *data;\n");
fprintf(foutput, "%s", "} embedded_files[] = {\n");
for (i = 1; i < argc; i++) {
fprintf(foutput, " {&translation_file_name_%d, &translation_file_data_%d},\n", i, i);
}
fprintf(foutput, "%s", " {NULL, NULL}\n");
fprintf(foutput, "%s", "};\n\n");
fprintf(foutput, "%s\n", code);
fprintf(foutput, "#endif /* TRANSLATION_FILES_H */\n");
fclose(foutput);
return EXIT_SUCCESS;
}