mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-11 16:51:32 -05:00
142 lines
3.4 KiB
C++
142 lines
3.4 KiB
C++
// Scintilla source code edit control
|
|
/** @file OptionSet.h
|
|
** Manage descriptive information about an options struct for a lexer.
|
|
** Hold the names, positions, and descriptions of boolean, integer and string options and
|
|
** allow setting options and retrieving metadata about the options.
|
|
**/
|
|
// Copyright 2010 by Neil Hodgson <neilh@scintilla.org>
|
|
// The License.txt file describes the conditions under which this software may be distributed.
|
|
|
|
#ifndef OPTIONSET_H
|
|
#define OPTIONSET_H
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
namespace Scintilla {
|
|
#endif
|
|
|
|
template <typename T>
|
|
class OptionSet {
|
|
typedef T Target;
|
|
typedef bool T::*plcob;
|
|
typedef int T::*plcoi;
|
|
typedef std::string T::*plcos;
|
|
struct Option {
|
|
int opType;
|
|
union {
|
|
plcob pb;
|
|
plcoi pi;
|
|
plcos ps;
|
|
};
|
|
std::string description;
|
|
Option() :
|
|
opType(SC_TYPE_BOOLEAN), pb(0), description("") {
|
|
}
|
|
Option(plcob pb_, std::string description_="") :
|
|
opType(SC_TYPE_BOOLEAN), pb(pb_), description(description_) {
|
|
}
|
|
Option(plcoi pi_, std::string description_) :
|
|
opType(SC_TYPE_INTEGER), pi(pi_), description(description_) {
|
|
}
|
|
Option(plcos ps_, std::string description_) :
|
|
opType(SC_TYPE_STRING), ps(ps_), description(description_) {
|
|
}
|
|
bool Set(T *base, const char *val) const {
|
|
switch (opType) {
|
|
case SC_TYPE_BOOLEAN: {
|
|
bool option = atoi(val) != 0;
|
|
if ((*base).*pb != option) {
|
|
(*base).*pb = option;
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
case SC_TYPE_INTEGER: {
|
|
int option = atoi(val);
|
|
if ((*base).*pi != option) {
|
|
(*base).*pi = option;
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
case SC_TYPE_STRING: {
|
|
if ((*base).*ps != val) {
|
|
(*base).*ps = val;
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
typedef std::map<std::string, Option> OptionMap;
|
|
OptionMap nameToDef;
|
|
std::string names;
|
|
std::string wordLists;
|
|
|
|
void AppendName(const char *name) {
|
|
if (!names.empty())
|
|
names += "\n";
|
|
names += name;
|
|
}
|
|
public:
|
|
virtual ~OptionSet() {
|
|
}
|
|
void DefineProperty(const char *name, plcob pb, std::string description="") {
|
|
nameToDef[name] = Option(pb, description);
|
|
AppendName(name);
|
|
}
|
|
void DefineProperty(const char *name, plcoi pi, std::string description="") {
|
|
nameToDef[name] = Option(pi, description);
|
|
AppendName(name);
|
|
}
|
|
void DefineProperty(const char *name, plcos ps, std::string description="") {
|
|
nameToDef[name] = Option(ps, description);
|
|
AppendName(name);
|
|
}
|
|
const char *PropertyNames() const {
|
|
return names.c_str();
|
|
}
|
|
int PropertyType(const char *name) {
|
|
typename OptionMap::iterator it = nameToDef.find(name);
|
|
if (it != nameToDef.end()) {
|
|
return it->second.opType;
|
|
}
|
|
return SC_TYPE_BOOLEAN;
|
|
}
|
|
const char *DescribeProperty(const char *name) {
|
|
typename OptionMap::iterator it = nameToDef.find(name);
|
|
if (it != nameToDef.end()) {
|
|
return it->second.description.c_str();
|
|
}
|
|
return "";
|
|
}
|
|
|
|
bool PropertySet(T *base, const char *name, const char *val) {
|
|
typename OptionMap::iterator it = nameToDef.find(name);
|
|
if (it != nameToDef.end()) {
|
|
return it->second.Set(base, val);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void DefineWordListSets(const char * const wordListDescriptions[]) {
|
|
if (wordListDescriptions) {
|
|
for (size_t wl = 0; wordListDescriptions[wl]; wl++) {
|
|
if (!wordLists.empty())
|
|
wordLists += "\n";
|
|
wordLists += wordListDescriptions[wl];
|
|
}
|
|
}
|
|
}
|
|
|
|
const char *DescribeWordListSets() const {
|
|
return wordLists.c_str();
|
|
}
|
|
};
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
}
|
|
#endif
|
|
|
|
#endif
|