Tyro/src/settings/LangConfig.cpp

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/**
* Lexer configuration object
*
* @extends TyroConfig
*/
#include "LangConfig.h"
#include <config/languages_json.h>
LangConfig::LangConfig()
{
this->LoadJson(languages_json);
this->lang = "";
// "cache" reverse map of languages to their keys
JsonValue langList = this->GetRoot();
JsonValue::iterator it;
for (it = langList.begin(); it != langList.end(); ++it)
{
JsonValue langObj = *it;
reverseMap[langObj.get("name", JsonValue()).asString()] = it.key().asString();
}
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}
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LangConfig::~LangConfig()
{
wxLogDebug("Called LangConfig Destructor");
}
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/**
* Determine the format of the current file by
* matching its extension against the patterns
* in the configuration files
*
* @return string
*/
string LangConfig::GetLangByFile(wxFileName &fileName)
{
JsonValue langList = this->GetRoot();
JsonValue::iterator it;
wxString curr_file = fileName.GetFullName();
// Loop through each language to find a matching file pattern
for (it = langList.begin(); it != langList.end(); ++it)
{
string lang = it.key().asString();
// Parse the file pattern
wxString file_pattern((*it)["file_pattern"].asString());
file_pattern.Lower();
while ( ! file_pattern.empty())
{
wxString cur = file_pattern.BeforeFirst(';');
if (
(cur == curr_file) ||
(cur == (curr_file.BeforeLast('.') + ".*")) ||
(cur == ("*." + curr_file.AfterLast('.')))
)
{
this->SetLang(lang);
return this->lang;
}
// Go to the next pattern for this language
file_pattern = file_pattern.AfterFirst(';');
}
}
this->SetLang("");
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return this->lang;
}
/**
* Get the list of keywords for the selected language
*
* @param string lang
* @return JsonValue
*/
JsonValue LangConfig::GetKeywordList(string lang)
{
if (lang == "none") lang = this->lang;
return this->GetRoot()
.get(lang, JsonValue())
.get("keywords", JsonValue());
}
/**
* Get the lexer theme map for the current language
*
* @param string lang
* @return JsonValue
*/
JsonValue LangConfig::GetLexerMap(string lang)
{
if (lang == "none") lang = this->lang;
return this->GetRoot()
.get(lang, JsonValue())
.get("lexer_map", JsonValue());
}
void LangConfig::SetLang(string lang)
{
this->lang = lang;
}
/**
* Get the current language key
*/
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string LangConfig::GetLang()
{
return this->lang;
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}
/**
* Get the name attribute of the currently selected language
*
* @return string
*/
string LangConfig::GetCurrentLangName()
{
return this->GetRoot()
.get(this->lang, JsonValue())
.get("name", JsonValue())
.asString();
}
/**
* Gets the list of languages available
*
* @return StringMap
*/
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StringMap LangConfig::GetLangList()
{
StringMap revList = this->reverseMap;
StringMap::iterator it;
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StringMap outputList;
for (it = revList.begin(); it != revList.end(); ++it)
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{
outputList[it->second] = it->first;
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}
return outputList;
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}