mirror of
https://github.com/libretro/snes9x.git
synced 2024-11-23 08:19:46 +00:00
487 lines
13 KiB
C++
487 lines
13 KiB
C++
/*****************************************************************************\
|
|
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
|
|
This file is licensed under the Snes9x License.
|
|
For further information, consult the LICENSE file in the root directory.
|
|
\*****************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <string.h>
|
|
#include <string>
|
|
|
|
#include "conffile.h"
|
|
|
|
#ifdef __WIN32__
|
|
#define snprintf _snprintf // needs ANSI compliant name
|
|
#endif
|
|
|
|
#define SORT_SECTIONS_BY_SIZE // output
|
|
|
|
using namespace std;
|
|
|
|
bool ConfigFile::defaultAutoAdd = false;
|
|
bool ConfigFile::niceAlignment = false;
|
|
bool ConfigFile::showComments = true;
|
|
bool ConfigFile::alphaSort = true;
|
|
bool ConfigFile::timeSort = false;
|
|
static ConfigFile* curConfigFile = NULL; // for section_then_key_less
|
|
|
|
ConfigFile::ConfigFile(void) {
|
|
Clear();
|
|
}
|
|
|
|
void ConfigFile::Clear(void){
|
|
data.clear();
|
|
sectionSizes.ClearSections();
|
|
linectr = 0;
|
|
}
|
|
|
|
bool ConfigFile::LoadFile(const char *filename){
|
|
FSTREAM s;
|
|
bool ret=false;
|
|
const char *n, *n2;
|
|
|
|
if((s=OPEN_FSTREAM(filename, "r"))){
|
|
n=filename;
|
|
n2=strrchr(n, '/'); if(n2!=NULL) n=n2+1;
|
|
n2=strrchr(n, '\\'); if(n2!=NULL) n=n2+1;
|
|
fStream fS(s);
|
|
LoadFile(&fS, n);
|
|
CLOSE_FSTREAM(s);
|
|
ret = true;
|
|
} else {
|
|
fprintf(stderr, "Couldn't open conffile ");
|
|
perror(filename);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
void ConfigFile::LoadFile(Stream *r, const char *name){
|
|
curConfigFile = this;
|
|
string l, key, val;
|
|
string section;
|
|
string comment;
|
|
int i, line, line2;
|
|
bool eof;
|
|
|
|
line=line2=0;
|
|
section.clear();
|
|
do {
|
|
line=line2++;
|
|
l=r->getline(eof);
|
|
ConfigEntry::trim(l);
|
|
if(l.size()==0) continue;
|
|
|
|
if(l[0]=='#' || l[0]==';'){
|
|
// comment
|
|
continue;
|
|
}
|
|
|
|
if(l[0]=='['){
|
|
if(*l.rbegin()!=']'){
|
|
if(name) fprintf(stderr, "%s:", name);
|
|
fprintf(stderr, "[%d]: Ignoring invalid section header\n", line);
|
|
continue;
|
|
}
|
|
section.assign(l, 1, l.size()-2);
|
|
continue;
|
|
}
|
|
|
|
while(*l.rbegin()=='\\'){
|
|
l.erase(l.size()-1);
|
|
line2++;
|
|
val=r->getline(eof);
|
|
if(eof){
|
|
fprintf(stderr, "Unexpected EOF reading config file");
|
|
if(name) fprintf(stderr, " '%s'", name);
|
|
fprintf(stderr, "\n");
|
|
return;
|
|
}
|
|
ConfigEntry::trim(val);
|
|
l+=val;
|
|
}
|
|
i=l.find('=');
|
|
if(i<0){
|
|
if(name) fprintf(stderr, "%s:", name);
|
|
fprintf(stderr, "[%d]: Ignoring invalid entry\n", line);
|
|
continue;
|
|
}
|
|
key=l.substr(0,i); ConfigEntry::trim(key);
|
|
val=l.substr(i+1); comment = ConfigEntry::trimCommented(val);
|
|
if(val.size() > 0 && val[0]=='"' && *val.rbegin()=='"') val=val.substr(1, val.size()-2);
|
|
|
|
ConfigEntry e(line, section, key, val);
|
|
e.comment = comment;
|
|
if(data.erase(e))
|
|
sectionSizes.DecreaseSectionSize(e.section);
|
|
data.insert(e);
|
|
sectionSizes.IncreaseSectionSize(e.section);
|
|
} while(!eof);
|
|
curConfigFile = NULL;
|
|
}
|
|
|
|
bool ConfigFile::SaveTo(const char *filename){
|
|
string section;
|
|
FILE *fp;
|
|
|
|
if((fp=fopen(filename, "w"))==NULL){
|
|
fprintf(stderr, "Couldn't write conffile ");
|
|
perror(filename);
|
|
return false;
|
|
}
|
|
|
|
curConfigFile = this;
|
|
section.clear();
|
|
set<ConfigEntry, ConfigEntry::line_less> tmp;
|
|
fprintf(fp, "# Config file output by snes9x\n");
|
|
time_t t=time(NULL);
|
|
fprintf(fp, "# %s", ctime(&t));
|
|
|
|
#ifdef SORT_SECTIONS_BY_SIZE
|
|
std::set<ConfigEntry, ConfigEntry::section_then_key_less> data2;
|
|
for(set<ConfigEntry, ConfigEntry::key_less>::iterator k=data.begin(); k!=data.end(); k++){
|
|
ConfigEntry e (k->line, k->section, k->key, k->val); e.comment = k->comment;
|
|
data2.insert(e);
|
|
}
|
|
#else
|
|
#define data2 data
|
|
#define section_then_key_less key_less
|
|
#endif
|
|
|
|
for(set<ConfigEntry, ConfigEntry::section_then_key_less>::iterator j=data2.begin(); ; j++){
|
|
if(j==data2.end() || j->section!=section){
|
|
if(!tmp.empty()){
|
|
fprintf(fp, "\n[%s]\n", section.c_str());
|
|
unsigned int maxKeyLen=0, maxValLen=0; int maxLeftDiv=0; int maxRightDiv=-1;
|
|
if(niceAlignment){
|
|
for(set<ConfigEntry, ConfigEntry::line_less>::iterator i=tmp.begin(); i!=tmp.end(); i++){
|
|
int len3 = i->key.find_last_of(':');
|
|
maxRightDiv = MAX(maxRightDiv, len3);
|
|
len3 = i->key.length() - len3;
|
|
maxLeftDiv = MAX(maxLeftDiv, len3);
|
|
maxKeyLen = MAX(maxKeyLen, i->key.length()+3);
|
|
if(showComments){
|
|
string o=i->val; ConfigEntry::trim(o);
|
|
unsigned int len = o.length();
|
|
for(signed int j=len-1;j>=0;j--) if(o.at(j)=='#') len++;
|
|
if(o!=i->val) len+=2;
|
|
maxValLen = MAX(maxValLen, len);
|
|
}
|
|
}
|
|
if(maxValLen>48) maxValLen=48; // limit spacing
|
|
}
|
|
|
|
for(set<ConfigEntry, ConfigEntry::line_less>::iterator i=tmp.begin(); i!=tmp.end(); i++){
|
|
string o=i->val; ConfigEntry::trim(o);
|
|
if(o!=i->val) o="\""+i->val+"\"";
|
|
int off=0, len3=0;
|
|
for(;;){
|
|
int k=o.find('#',off);
|
|
if(k>=0){
|
|
o.insert(k,1,'#'); // re-double any comment characters
|
|
off=k+2;
|
|
if(off<(int)o.length()) continue;
|
|
}
|
|
break;
|
|
}
|
|
if(niceAlignment){
|
|
len3=i->key.find_last_of(':');
|
|
int len3sub=0;
|
|
if(len3 < maxRightDiv){
|
|
for(int j=len3;j<maxRightDiv;j++) fputc(' ',fp);
|
|
len3sub=maxRightDiv-len3;
|
|
len3 = maxRightDiv;
|
|
}
|
|
len3+=maxLeftDiv-i->key.length();
|
|
for(unsigned int j=i->key.length()+len3+3;j<maxKeyLen;j++) fputc(' ',fp);
|
|
fprintf(fp, "%s", i->key.c_str());
|
|
for(int j=0;j<len3-len3sub;j++) fputc(' ',fp);
|
|
fprintf(fp, " = %s", o.c_str());
|
|
} else
|
|
fprintf(fp, "%s = %s", i->key.c_str(), o.c_str());
|
|
|
|
if(showComments && !i->comment.empty()){
|
|
if(niceAlignment) for(unsigned int j=o.length();j<maxValLen;j++) fputc(' ',fp);
|
|
fprintf(fp, " # %s", i->comment.c_str());
|
|
}
|
|
fprintf(fp, "\n");
|
|
}
|
|
}
|
|
if(j==data2.end()) break;
|
|
section=j->section;
|
|
tmp.clear();
|
|
}
|
|
tmp.insert(*j);
|
|
}
|
|
curConfigFile = NULL;
|
|
|
|
#undef data2
|
|
#undef section_then_key_less
|
|
|
|
if(ferror(fp))
|
|
{
|
|
printf ("Error writing config file %s\n", filename);
|
|
}
|
|
|
|
fclose(fp);
|
|
return true;
|
|
}
|
|
|
|
|
|
/***********************************************/
|
|
|
|
string ConfigFile::Get(const char *key){
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
i=data.find(ConfigEntry(key));
|
|
i->used=true;
|
|
return i->val;
|
|
}
|
|
bool ConfigFile::Has(const char *key){
|
|
return data.find(ConfigEntry(key))!=data.end();
|
|
}
|
|
|
|
// exists and isn't completely empty (any side-effects are intentional)
|
|
bool ConfigFile::Exists(const char *key){
|
|
const char* val = GetString(key, NULL);
|
|
return val && *val;
|
|
}
|
|
|
|
|
|
string ConfigFile::GetString(const char *key, string def){
|
|
if(!Exists(key))
|
|
return def;
|
|
return Get(key);
|
|
}
|
|
|
|
char *ConfigFile::GetString(const char *key, char *out, uint32 outlen){
|
|
if(!Exists(key)) return NULL;
|
|
memset(out, 0, outlen);
|
|
string o=Get(key);
|
|
if(outlen>0){
|
|
outlen--;
|
|
if(o.size()<outlen) outlen=o.size();
|
|
memcpy(out, o.data(), outlen);
|
|
}
|
|
return out;
|
|
}
|
|
|
|
const char *ConfigFile::GetString(const char *key, const char *def){
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
i=data.find(ConfigEntry(key));
|
|
if(i==data.end())
|
|
{
|
|
if(defaultAutoAdd) SetString(key,""); //SetString(key, def?def:"");
|
|
return def;
|
|
}
|
|
i->used=true;
|
|
// This should be OK, until this key gets removed
|
|
const std::string &iVal = i->val;
|
|
return iVal.c_str();
|
|
}
|
|
|
|
char *ConfigFile::GetStringDup(const char *key, const char *def){
|
|
const char *c=GetString(key, def);
|
|
if(c==NULL) return NULL;
|
|
return strdup(c);
|
|
}
|
|
|
|
bool ConfigFile::SetString(const char *key, string val, const char *comment){
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
bool ret=false;
|
|
bool found;
|
|
|
|
ConfigEntry e(key, val);
|
|
if(comment && *comment) e.comment = comment;
|
|
e.used=true;
|
|
|
|
i=data.find(e);
|
|
found=(i==data.end());
|
|
if(!found){
|
|
e.line=i->line;
|
|
data.erase(e);
|
|
sectionSizes.DecreaseSectionSize(e.section);
|
|
ret=true;
|
|
}
|
|
if((found && (!alphaSort || timeSort)) || (!alphaSort && timeSort))
|
|
e.line = linectr++;
|
|
|
|
data.insert(e);
|
|
sectionSizes.IncreaseSectionSize(e.section);
|
|
return ret;
|
|
}
|
|
|
|
int32 ConfigFile::GetInt(const char *key, int32 def, bool *bad){
|
|
if(bad) *bad=false;
|
|
if(!Exists(key))
|
|
return def;
|
|
char *c;
|
|
int32 i;
|
|
string o=Get(key);
|
|
i=strtol(o.c_str(), &c, 10);
|
|
if(c!=NULL && *c!='\0'){
|
|
i=def;
|
|
if(bad) *bad=true;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
bool ConfigFile::SetInt(const char *key, int32 val, const char *comment){
|
|
char buf[20];
|
|
snprintf(buf, sizeof(buf), "%d", (int)val);
|
|
return SetString(key, buf, comment);
|
|
}
|
|
|
|
uint32 ConfigFile::GetUInt(const char *key, uint32 def, int base, bool *bad){
|
|
if(bad) *bad=false;
|
|
if(!Exists(key))
|
|
return def;
|
|
if(base!=8 && base!=10 && base!=16) base=0;
|
|
char *c;
|
|
uint32 i;
|
|
string o=Get(key);
|
|
i=strtol(o.c_str(), &c, base);
|
|
if(c!=NULL && *c!='\0'){
|
|
i=def;
|
|
if(bad) *bad=true;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
bool ConfigFile::SetUInt(const char *key, uint32 val, int base, const char *comment){
|
|
char buf[20];
|
|
switch(base){
|
|
case 10:
|
|
default:
|
|
snprintf(buf, sizeof(buf), "%u", (unsigned int)val);
|
|
break;
|
|
case 8:
|
|
snprintf(buf, sizeof(buf), "%#o", (unsigned int)val);
|
|
break;
|
|
case 16:
|
|
snprintf(buf, sizeof(buf), "%#x", (unsigned int)val);
|
|
break;
|
|
}
|
|
return SetString(key, buf, comment);
|
|
}
|
|
|
|
bool ConfigFile::GetBool(const char *key, bool def, bool *bad){
|
|
if(bad) *bad=false;
|
|
if(!Exists(key))
|
|
return def;
|
|
string o=Get(key);
|
|
const char *c=o.c_str();
|
|
if(!strcasecmp(c, "true") || !strcasecmp(c, "1") || !strcasecmp(c, "yes") || !strcasecmp(c, "on")) return true;
|
|
if(!strcasecmp(c, "false") || !strcasecmp(c, "0") || !strcasecmp(c, "no") || !strcasecmp(c, "off")) return false;
|
|
if(bad) *bad=true;
|
|
return def;
|
|
}
|
|
|
|
bool ConfigFile::SetBool(const char *key, bool val, const char *true_val, const char *false_val, const char *comment){
|
|
return SetString(key, val?true_val:false_val, comment);
|
|
}
|
|
|
|
const char* ConfigFile::GetComment(const char *key)
|
|
{
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
i=data.find(ConfigEntry(key));
|
|
if(i==data.end())
|
|
return NULL;
|
|
|
|
// This should be OK, until this key gets removed
|
|
const std::string &iCom = i->comment;
|
|
return iCom.c_str();
|
|
}
|
|
|
|
bool ConfigFile::DeleteKey(const char *key){
|
|
ConfigEntry e = ConfigEntry(key);
|
|
if(data.erase(e)) {
|
|
sectionSizes.DecreaseSectionSize(e.section);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/***********************************************/
|
|
|
|
bool ConfigFile::DeleteSection(const char *section){
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator s, e;
|
|
|
|
for(s=data.begin(); s!=data.end() && s->section!=section; s++) ;
|
|
if(s==data.end()) return false;
|
|
for(e=s; e!=data.end() && e->section==section; e++) ;
|
|
data.erase(s, e);
|
|
sectionSizes.DeleteSection(section);
|
|
return true;
|
|
}
|
|
|
|
ConfigFile::secvec_t ConfigFile::GetSection(const char *section){
|
|
secvec_t v;
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
|
|
v.clear();
|
|
for(i=data.begin(); i!=data.end(); i++){
|
|
if(i->section!=section) continue;
|
|
v.push_back(std::pair<string,string>(i->key, i->val));
|
|
}
|
|
return v;
|
|
}
|
|
|
|
int ConfigFile::GetSectionSize(const std::string section){
|
|
return sectionSizes.GetSectionSize(section);
|
|
}
|
|
|
|
// Clears all key-value pairs that didn't receive a "Get" or "Exists" command
|
|
void ConfigFile::ClearUnused()
|
|
{
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
again:
|
|
for(i=data.begin(); i!=data.end(); i++){
|
|
if(!i->used){
|
|
data.erase(i);
|
|
goto again;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ConfigFile::ClearLines()
|
|
{
|
|
set<ConfigEntry, ConfigEntry::key_less>::iterator i;
|
|
for(i=data.begin(); i!=data.end(); i++){
|
|
*(const_cast<int*>(&i->line)) = -1;
|
|
}
|
|
}
|
|
|
|
bool ConfigFile::ConfigEntry::section_then_key_less::operator()(const ConfigEntry &a, const ConfigEntry &b) const{
|
|
if(curConfigFile && a.section!=b.section){
|
|
const int sva = curConfigFile->GetSectionSize(a.section);
|
|
const int svb = curConfigFile->GetSectionSize(b.section);
|
|
if(sva<svb) return true;
|
|
if(sva>svb) return false;
|
|
return a.section<b.section;
|
|
}
|
|
return a.key<b.key;
|
|
}
|
|
|
|
|
|
void ConfigFile::SetDefaultAutoAdd(bool autoAdd)
|
|
{
|
|
defaultAutoAdd = autoAdd;
|
|
}
|
|
void ConfigFile::SetNiceAlignment(bool align)
|
|
{
|
|
niceAlignment = align;
|
|
}
|
|
void ConfigFile::SetShowComments(bool show)
|
|
{
|
|
showComments = show;
|
|
}
|
|
void ConfigFile::SetAlphaSort(bool sort)
|
|
{
|
|
alphaSort = sort;
|
|
}
|
|
void ConfigFile::SetTimeSort(bool sort)
|
|
{
|
|
timeSort = sort;
|
|
}
|