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/**
* @file language_names.cpp
*
* @author Guy Maurel
* extract from uncrustify.cpp
* @license GPL v2+
*/
#include "language_names.h"
static lang_name_t language_names[] =
{
{ "C", LANG_C }, // 0x0001
{ "CPP", LANG_CPP }, // 0x0002
{ "D", LANG_D }, // 0x0004
{ "CS", LANG_CS }, // 0x0008
{ "JAVA", LANG_JAVA }, // 0x0010
{ "OC", LANG_OC }, // 0x0020
{ "VALA", LANG_VALA }, // 0x0040
{ "PAWN", LANG_PAWN }, // 0x0080
{ "ECMA", LANG_ECMA }, // 0x0100
{ "OC+", LANG_OC | LANG_CPP }, // 0x0020 + 0x0002
{ "CS+", LANG_CS | LANG_CPP }, // 0x0008 + 0x0002
{ "C-Header", LANG_C | LANG_CPP | FLAG_HDR }, // 0x0001 + 0x0002 + 0x2000 = 0x2022
};
//! known filename extensions linked to the corresponding programming language
struct lang_ext_t language_exts[] =
{
{ ".c", "C" },
{ ".c++", "CPP" },
{ ".cc", "CPP" },
{ ".cp", "CPP" },
{ ".cpp", "CPP" },
{ ".cs", "CS" },
{ ".cxx", "CPP" },
{ ".d", "D" },
{ ".di", "D" },
{ ".es", "ECMA" },
{ ".h", "C-Header" },
{ ".h++", "CPP" },
{ ".hh", "CPP" },
{ ".hp", "CPP" },
{ ".hpp", "CPP" },
{ ".hxx", "CPP" },
{ ".inc", "PAWN" },
{ ".inl", "CPP" },
{ ".java", "JAVA" },
{ ".js", "ECMA" },
{ ".m", "OC" },
{ ".mm", "OC+" },
{ ".p", "PAWN" },
{ ".pawn", "PAWN" },
{ ".sma", "PAWN" },
{ ".sqc", "C" }, // embedded SQL
{ ".sql", "SQL" },
{ ".vala", "VALA" },
{ ".vapi", "VALA" },
};
size_t language_flags_from_name(const char *name)
{
for (const auto &language : language_names)
{
if (strcasecmp(name, language.name) == 0)
{
return(language.lang);
}
}
return(0);
}
const char *language_name_from_flags(size_t lang)
{
// Check for an exact match first
for (auto &language_name : language_names)
{
if (language_name.lang == lang)
{
return(language_name.name);
}
}
static char lang_liste[120];
lang_liste[0] = '\0';
// Check for the next set language bit
for (auto &language_name : language_names)
{
if (strcmp(language_name.name, "OC+") == 0)
{
break;
}
if ((language_name.lang & lang) != 0)
{
if (lang_liste[0] == '\0')
{
strcpy(lang_liste, language_name.name);
}
else
{
int ll = strlen(lang_liste);
strcpy(&lang_liste[ll], ", ");
strcpy(&lang_liste[ll + 2], language_name.name);
}
}
}
return(lang_liste);
} // language_name_from_flags
bool ends_with(const char *filename, const char *tag, bool case_sensitive = true)
{
int len1 = strlen(filename);
int len2 = strlen(tag);
return( len2 <= len1
&& ( ( case_sensitive
&& (strcmp(&filename[len1 - len2], tag) == 0))
|| ( !case_sensitive
&& (strcasecmp(&filename[len1 - len2], tag) == 0))));
} // ends_with
const char *get_file_extension(int &idx)
{
const char *val = nullptr;
if (idx < static_cast<int> ARRAY_SIZE(language_exts))
{
val = language_exts[idx].ext;
}
idx++;
return(val);
} // get_file_extension
////typedef std::map<std::string, std::string> extension_map_t;
//static extension_map_t g_ext_map;
const char *extension_add(const char *ext_text, const char *lang_text)
{
size_t lang_flags = language_flags_from_name(lang_text);
if (lang_flags)
{
const char *lang_name = language_name_from_flags(lang_flags);
g_ext_map[std::string(ext_text)] = lang_name;
return(lang_name);
}
return(nullptr);
}
void print_extensions(FILE *pfile)
{
for (auto &language : language_names)
{
bool did_one = false;
for (auto &extension_val : g_ext_map)
{
if (strcmp(extension_val.second.c_str(), language.name) == 0)
{
if (!did_one)
{
fprintf(pfile, "file_ext %s", extension_val.second.c_str());
did_one = true;
}
fprintf(pfile, " %s", extension_val.first.c_str());
}
}
if (did_one)
{
fprintf(pfile, "\n");
}
}
}
// TODO: better use enum lang_t for source file language
size_t language_flags_from_filename(const char *filename)
{
// check custom extensions first
for (const auto &extension_val : g_ext_map)
{
if (ends_with(filename, extension_val.first.c_str()))
{
return(language_flags_from_name(extension_val.second.c_str()));
}
}
for (auto &language : language_exts)
{
if (ends_with(filename, language.ext))
{
return(language_flags_from_name(language.name));
}
}
// check again without case sensitivity
for (auto &extension_val : g_ext_map)
{
if (ends_with(filename, extension_val.first.c_str(), false))
{
return(language_flags_from_name(extension_val.second.c_str()));
}
}
for (auto &language : language_exts)
{
if (ends_with(filename, language.ext, false))
{
return(language_flags_from_name(language.name));
}
}
return(LANG_C);
} // language_flags_from_filename
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