// Sets all the properties for this unicharset given a src unicharset with
// everything set. The unicharsets don't have to be the same, and graphemes
// are correctly accounted for.
void UNICHARSET::PartialSetPropertiesFromOther(int start_index,
const UNICHARSET& src) {
for (int ch = start_index; ch < size_used; ++ch) {
const char* utf8 = id_to_unichar(ch);
UNICHAR_PROPERTIES properties;
if (src.GetStrProperties(utf8, &properties)) {
// Setup the script_id, other_case, and mirror properly.
const char* script = src.get_script_from_script_id(properties.script_id);
properties.script_id = add_script(script);
const char* other_case = src.id_to_unichar(properties.other_case);
if (contains_unichar(other_case)) {
properties.other_case = unichar_to_id(other_case);
} else {
properties.other_case = ch;
}
const char* mirror_str = src.id_to_unichar(properties.mirror);
if (contains_unichar(mirror_str)) {
properties.mirror = unichar_to_id(mirror_str);
} else {
properties.mirror = ch;
}
unichars[ch].properties.CopyFrom(properties);
set_normed_ids(ch);
}
}
}
// Helper adds all the scripts from sid_set converted to ids from osd_set to
// allowed_ids.
static void AddAllScriptsConverted(const UNICHARSET& sid_set,
const UNICHARSET& osd_set,
GenericVector<int>* allowed_ids) {
for (int i = 0; i < sid_set.get_script_table_size(); ++i) {
if (i != sid_set.null_sid()) {
const char* script = sid_set.get_script_from_script_id(i);
allowed_ids->push_back(osd_set.get_script_id_from_name(script));
}
}
}
// Helper to set the properties for an input unicharset file, writes to the
// output file. If an appropriate script unicharset can be found in the
// script_dir directory, then the tops and bottoms are expanded using the
// script unicharset.
// If non-empty, xheight data for the fonts are written to the xheights_file.
void SetPropertiesForInputFile(const string& script_dir,
const string& input_unicharset_file,
const string& output_unicharset_file,
const string& output_xheights_file) {
UNICHARSET unicharset;
// Load the input unicharset
unicharset.load_from_file(input_unicharset_file.c_str());
tprintf("Loaded unicharset of size %d from file %s\n", unicharset.size(),
input_unicharset_file.c_str());
// Set unichar properties
tprintf("Setting unichar properties\n");
SetupBasicProperties(true, false, &unicharset);
string xheights_str;
for (int s = 0; s < unicharset.get_script_table_size(); ++s) {
// Load the unicharset for the script if available.
string filename = script_dir + "/" +
unicharset.get_script_from_script_id(s) + ".unicharset";
UNICHARSET script_set;
if (script_set.load_from_file(filename.c_str())) {
unicharset.SetPropertiesFromOther(script_set);
}
// Load the xheights for the script if available.
filename = script_dir + "/" + unicharset.get_script_from_script_id(s) +
".xheights";
string script_heights;
if (File::ReadFileToString(filename, &script_heights))
xheights_str += script_heights;
}
if (!output_xheights_file.empty())
File::WriteStringToFileOrDie(xheights_str, output_xheights_file);
for (int c = SPECIAL_UNICHAR_CODES_COUNT; c < unicharset.size(); ++c) {
if (unicharset.PropertiesIncomplete(c)) {
tprintf("Warning: properties incomplete for index %d = %s\n",
c, unicharset.id_to_unichar(c));
}
}
// Write the output unicharset
tprintf("Writing unicharset to file %s\n", output_unicharset_file.c_str());
unicharset.save_to_file(output_unicharset_file.c_str());
}
// Helper gets the combined x-heights string.
std::string GetXheightString(const std::string& script_dir,
const UNICHARSET& unicharset) {
std::string xheights_str;
for (int s = 0; s < unicharset.get_script_table_size(); ++s) {
// Load the xheights for the script if available.
std::string filename = script_dir + "/" +
unicharset.get_script_from_script_id(s) + ".xheights";
std::string script_heights;
if (File::ReadFileToString(filename, &script_heights))
xheights_str += script_heights;
}
return xheights_str;
}