static const char *GetRawString(BencDict *dict, const char *key)
{
BencString *string = dict->GetString(key);
if (string)
return string->RawValue();
return NULL;
}
BencDict *BencDict::Decode(const char *bytes, size_t *lenOut)
{
if (!bytes || *bytes != 'd')
return NULL;
BencDict *dict = new BencDict();
size_t ix = 1;
while (bytes[ix] != 'e') {
size_t len;
BencString *key = BencString::Decode(bytes + ix, &len);
if (!key || key->Type() != BT_STRING) {
delete key;
delete dict;
return NULL;
}
ix += len;
BencObj *obj = BencObj::Decode(bytes + ix, &len);
if (!obj) {
delete key;
delete dict;
return NULL;
}
ix += len;
dict->Add(key->RawValue(), obj);
delete key;
}
if (lenOut)
*lenOut = ix + 1;
return dict;
}
static void BencTestParseRawStrings()
{
BencArray array;
array.AddRaw("a\x82");
array.AddRaw("a\x82", 1);
BencString *raw = array.GetString(0);
assert(raw && str::Eq(raw->RawValue(), "a\x82"));
BencTestSerialization(raw, "2:a\x82");
raw = array.GetString(1);
assert(raw && str::Eq(raw->RawValue(), "a"));
BencTestSerialization(raw, "1:a");
BencDict dict;
dict.AddRaw("1", "a\x82");
dict.AddRaw("2", "a\x82", 1);
raw = dict.GetString("1");
assert(raw && str::Eq(raw->RawValue(), "a\x82"));
BencTestSerialization(raw, "2:a\x82");
raw = dict.GetString("2");
assert(raw && str::Eq(raw->RawValue(), "a"));
BencTestSerialization(raw, "1:a");
}
void SelectTranslation(const WCHAR *exePath=NULL)
{
LANGID langId = GetUserDefaultUILanguage();
int idx = GetLanguageIndex(langId);
if (-1 == idx) {
// try a neutral language if the specific sublanguage isn't available
langId = MAKELANGID(PRIMARYLANGID(langId), SUBLANG_NEUTRAL);
idx = GetLanguageIndex(langId);
}
if (-1 != idx) {
gTranslationIdx = idx;
plogf("sp: Detected language %s (%d)", gLanguages[idx / gTranslationsCount], idx);
}
// try to extract the language used by SumatraPDF
ScopedMem<WCHAR> path;
if (exePath) {
path.Set(path::GetDir(exePath));
path.Set(path::Join(path, PREFS_FILE_NAME));
}
if (!file::Exists(path)) {
path.Set(GetSpecialFolder(CSIDL_APPDATA));
path.Set(path::Join(path, L"SumatraPDF\\" PREFS_FILE_NAME));
}
if (!file::Exists(path))
return;
plogf("sp: Found preferences at %S", path);
#ifndef USE_INI_SETTINGS
ScopedMem<char> data(file::ReadAll(path, NULL));
if (data) {
BencObj *root = BencObj::Decode(data);
if (root && root->Type() == BT_DICT) {
BencDict *global = static_cast<BencDict *>(root)->GetDict("gp");
BencString *string = global ? global->GetString("UILanguage") : NULL;
if (string) {
plogf("sp: UILanguage from preferences: %s", string->RawValue());
for (int i = 0; gLanguages[i]; i++) {
if (str::Eq(gLanguages[i], string->RawValue())) {
gTranslationIdx = i * gTranslationsCount;
break;
}
}
}
}
delete root;
}
#else
IniFile ini(path);
IniSection *section = ini.FindSection(NULL);
IniLine *line = section ? section->FindLine("CurrLangCode") : NULL;
if (line) {
plogf("sp: UILanguage from preferences: %s", line->value);
for (int i = 0; gLanguages[i]; i++) {
if (str::Eq(gLanguages[i], line->value)) {
gTranslationIdx = i * gTranslationsCount;
break;
}
}
}
#endif
}
static void DeserializeStruct(PrefInfo *info, size_t count, void *structBase, BencDict *prefs)
{
char *base = (char *)structBase;
BencInt *intObj;
BencString *strObj;
BencArray *arrObj;
for (size_t i = 0; i < count; i++) {
PrefInfo& meta = info[i];
switch (meta.type) {
case Pref_Bool:
if ((intObj = prefs->GetInt(meta.name)))
*(bool *)(base + meta.offset) = intObj->Value() != 0;
break;
case Pref_Int:
if ((intObj = prefs->GetInt(meta.name)))
*(int *)(base + meta.offset) = (int)intObj->Value();
break;
case Pref_Str:
if ((strObj = prefs->GetString(meta.name)))
str::ReplacePtr((char **)(base + meta.offset), strObj->RawValue());
break;
case Pref_WStr:
if ((strObj = prefs->GetString(meta.name))) {
ScopedMem<WCHAR> str(strObj->Value());
if (str)
str::ReplacePtr((WCHAR **)(base + meta.offset), str);
}
break;
case Pref_DisplayMode:
if ((strObj = prefs->GetString(meta.name))) {
ScopedMem<WCHAR> mode(strObj->Value());
if (mode)
DisplayModeConv::EnumFromName(mode, (DisplayMode *)(base + meta.offset));
}
break;
case Pref_Float:
if ((strObj = prefs->GetString(meta.name))) {
// note: this might round the value for files produced with versions
// prior to 1.6 and on a system where the decimal mark isn't a '.'
// (the difference should be hardly notable, though)
*(float *)(base + meta.offset) = (float)atof(strObj->RawValue());
}
break;
case Pref_IntVec:
if ((arrObj = prefs->GetArray(meta.name))) {
size_t len = arrObj->Length();
Vec<int> *intVec = new Vec<int>(len);
if (intVec) {
for (size_t idx = 0; idx < len; idx++) {
if ((intObj = arrObj->GetInt(idx)))
intVec->Append((int)intObj->Value());
}
delete *(Vec<int> **)(base + meta.offset);
*(Vec<int> **)(base + meta.offset) = intVec;
}
}
break;
case Pref_UILang:
if ((strObj = prefs->GetString(meta.name))) {
// ensure language code is valid
const char *langCode = trans::ValidateLangCode(strObj->RawValue());
if (langCode)
*(const char **)(base + meta.offset) = langCode;
}
break;
}
}
}
