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using VariantParser to parse engine.cfg

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This commit is contained in:
Juan Linietsky 2017-01-11 16:15:40 -03:00
parent 42802ab9dc
commit 7bf4b592f8
1 changed files with 36 additions and 584 deletions
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620
core/globals.cpp
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@ -36,7 +36,7 @@
#include "os/os.h" #include "os/os.h"
#include "io/file_access_pack.h" #include "io/file_access_pack.h"
#include "io/file_access_network.h" #include "io/file_access_network.h"
#include "variant_parser.h"
GlobalConfig *GlobalConfig::singleton=NULL; GlobalConfig *GlobalConfig::singleton=NULL;
GlobalConfig *GlobalConfig::get_singleton() { GlobalConfig *GlobalConfig::get_singleton() {
@ -393,352 +393,6 @@ bool GlobalConfig::has(String p_var) const {
return props.has(p_var); return props.has(p_var);
} }
static Vector<String> _decode_params(const String& p_string) {
int begin=p_string.find("(");
ERR_FAIL_COND_V(begin==-1,Vector<String>());
begin++;
int end=p_string.find(")");
ERR_FAIL_COND_V(end<begin,Vector<String>());
return p_string.substr(begin,end-begin).split(",");
}
static String _get_chunk(const String& str,int &pos, int close_pos) {
enum {
MIN_COMMA,
MIN_COLON,
MIN_CLOSE,
MIN_QUOTE,
MIN_PARENTHESIS,
MIN_CURLY_OPEN,
MIN_OPEN
};
int min_pos=close_pos;
int min_what=MIN_CLOSE;
#define TEST_MIN(m_how,m_what) \
{\
int res = str.find(m_how,pos);\
if (res!=-1 && res < min_pos) {\
min_pos=res;\
min_what=m_what;\
}\
}\
TEST_MIN(",",MIN_COMMA);
TEST_MIN("[",MIN_OPEN);
TEST_MIN("{",MIN_CURLY_OPEN);
TEST_MIN("(",MIN_PARENTHESIS);
TEST_MIN("\"",MIN_QUOTE);
int end=min_pos;
switch(min_what) {
case MIN_COMMA: {
} break;
case MIN_CLOSE: {
//end because it's done
} break;
case MIN_QUOTE: {
end=str.find("\"",min_pos+1)+1;
ERR_FAIL_COND_V(end==-1,Variant());
} break;
case MIN_PARENTHESIS: {
end=str.find(")",min_pos+1)+1;
ERR_FAIL_COND_V(end==-1,Variant());
} break;
case MIN_OPEN: {
int level=1;
end++;
while(end<close_pos) {
if (str[end]=='[')
level++;
if (str[end]==']') {
level--;
if (level==0)
break;
}
end++;
}
ERR_FAIL_COND_V(level!=0,Variant());
end++;
} break;
case MIN_CURLY_OPEN: {
int level=1;
end++;
while(end<close_pos) {
if (str[end]=='{')
level++;
if (str[end]=='}') {
level--;
if (level==0)
break;
}
end++;
}
ERR_FAIL_COND_V(level!=0,Variant());
end++;
} break;
}
String ret = str.substr(pos,end-pos);
pos=end;
while(pos<close_pos) {
if (str[pos]!=',' && str[pos]!=' ' && str[pos]!=':')
break;
pos++;
}
return ret;
}
static Variant _decode_variant(const String& p_string) {
String str = p_string.strip_edges();
if (str.nocasecmp_to("true")==0)
return Variant(true);
if (str.nocasecmp_to("false")==0)
return Variant(false);
if (str.nocasecmp_to("nil")==0)
return Variant();
if (str.is_valid_float()) {
if (str.find(".")==-1)
return str.to_int();
else
return str.to_double();
}
if (str.begins_with("#")) { //string
return Color::html(str);
}
if (str.begins_with("\"")) { //string
int end = str.find_last("\"");
ERR_FAIL_COND_V(end==0,Variant());
return str.substr(1,end-1).xml_unescape();
}
if (str.begins_with("[")) { //array
int close_pos = str.find_last("]");
ERR_FAIL_COND_V(close_pos==-1,Variant());
Array array;
int pos=1;
while(pos<close_pos) {
String s = _get_chunk(str,pos,close_pos);
array.push_back(_decode_variant(s));
}
return array;
}
if (str.begins_with("{")) { //array
int close_pos = str.find_last("}");
ERR_FAIL_COND_V(close_pos==-1,Variant());
Dictionary d;
int pos=1;
while(pos<close_pos) {
String key = _get_chunk(str,pos,close_pos);
String data = _get_chunk(str,pos,close_pos);
d[_decode_variant(key)]=_decode_variant(data);
}
return d;
}
if (str.begins_with("key")) {
Vector<String> params = _decode_params(p_string);
ERR_FAIL_COND_V(params.size()!=1 && params.size()!=2,Variant());
int scode=0;
if (params[0].is_numeric()) {
scode=params[0].to_int();
if (scode<10)
scode+=KEY_0;
} else
scode=find_keycode(params[0]);
InputEvent ie;
ie.type=InputEvent::KEY;
ie.key.scancode=scode;
if (params.size()==2) {
String mods=params[1];
if (mods.findn("C")!=-1)
ie.key.mod.control=true;
if (mods.findn("A")!=-1)
ie.key.mod.alt=true;
if (mods.findn("S")!=-1)
ie.key.mod.shift=true;
if (mods.findn("M")!=-1)
ie.key.mod.meta=true;
}
return ie;
}
if (str.begins_with("mbutton")) {
Vector<String> params = _decode_params(p_string);
ERR_FAIL_COND_V(params.size()!=2,Variant());
InputEvent ie;
ie.type=InputEvent::MOUSE_BUTTON;
ie.device=params[0].to_int();
ie.mouse_button.button_index=params[1].to_int();
return ie;
}
if (str.begins_with("jbutton")) {
Vector<String> params = _decode_params(p_string);
ERR_FAIL_COND_V(params.size()!=2,Variant());
InputEvent ie;
ie.type=InputEvent::JOYPAD_BUTTON;
ie.device=params[0].to_int();
ie.joy_button.button_index=params[1].to_int();
return ie;
}
if (str.begins_with("jaxis")) {
Vector<String> params = _decode_params(p_string);
ERR_FAIL_COND_V(params.size()!=2,Variant());
InputEvent ie;
ie.type=InputEvent::JOYPAD_MOTION;
ie.device=params[0].to_int();
int axis = params[1].to_int();;
ie.joy_motion.axis=axis>>1;
ie.joy_motion.axis_value=axis&1?1:-1;
return ie;
}
if (str.begins_with("img")) {
Vector<String> params = _decode_params(p_string);
if (params.size()==0) {
return Image();
}
ERR_FAIL_COND_V(params.size()!=5,Image());
String format=params[0].strip_edges();
Image::Format imgformat;
/*
if (format=="grayscale") {
imgformat=Image::FORMAT_L8;
} else if (format=="intensity") {
imgformat=Image::FORMAT_INTENSITY;
} else if (format=="grayscale_alpha") {
imgformat=Image::FORMAT_LA8;
} else if (format=="rgb") {
imgformat=Image::FORMAT_RGB8;
} else if (format=="rgba") {
imgformat=Image::FORMAT_RGBA8;
} else if (format=="indexed") {
imgformat=Image::FORMAT_INDEXED;
} else if (format=="indexed_alpha") {
imgformat=Image::FORMAT_INDEXED_ALPHA;
} else if (format=="bc1") {
imgformat=Image::FORMAT_DXT1;
} else if (format=="bc2") {
imgformat=Image::FORMAT_DXT3;
} else if (format=="bc3") {
imgformat=Image::FORMAT_DXT5;
} else if (format=="bc4") {
imgformat=Image::FORMAT_ATI1;
} else if (format=="bc5") {
imgformat=Image::FORMAT_ATI2;
} else if (format=="custom") {
imgformat=Image::FORMAT_CUSTOM;
} else {
ERR_FAIL_V( Image() );
}*/
int mipmaps=params[1].to_int();
int w=params[2].to_int();
int h=params[3].to_int();
if (w == 0 && h == 0) {
//r_v = Image(w, h, imgformat);
return Image();
};
String data=params[4];
int datasize=data.length()/2;
PoolVector<uint8_t> pixels;
pixels.resize(datasize);
PoolVector<uint8_t>::Write wb = pixels.write();
const CharType *cptr=data.c_str();
int idx=0;
uint8_t byte;
while( idx<datasize*2) {
CharType c=*(cptr++);
ERR_FAIL_COND_V(c=='<',ERR_FILE_CORRUPT);
if ( (c>='0' && c<='9') || (c>='A' && c<='F') || (c>='a' && c<='f') ) {
if (idx&1) {
byte|=HEX2CHR(c);
wb[idx>>1]=byte;
} else {
byte=HEX2CHR(c)<<4;
}
idx++;
}
}
wb = PoolVector<uint8_t>::Write();
return Image(w,h,mipmaps,imgformat,pixels);
}
if (str.find(",")!=-1) { //vector2 or vector3
Vector<float> farr = str.split_floats(",",true);
if (farr.size()==2) {
return Point2(farr[0],farr[1]);
}
if (farr.size()==3) {
return Vector3(farr[0],farr[1],farr[2]);
}
ERR_FAIL_V(Variant());
}
return Variant();
}
void GlobalConfig::set_registering_order(bool p_enable) { void GlobalConfig::set_registering_order(bool p_enable) {
@ -767,7 +421,7 @@ Error GlobalConfig::_load_settings_binary(const String p_path) {
uint32_t count=f->get_32(); uint32_t count=f->get_32();
for(int i=0;i<count;i++) { for(uint32_t i=0;i<count;i++) {
uint32_t slen=f->get_32(); uint32_t slen=f->get_32();
CharString cs; CharString cs;
@ -797,260 +451,55 @@ Error GlobalConfig::_load_settings_binary(const String p_path) {
Error GlobalConfig::_load_settings(const String p_path) { Error GlobalConfig::_load_settings(const String p_path) {
Error err; Error err;
FileAccess *f= FileAccess::open(p_path,FileAccess::READ,&err); FileAccess *f= FileAccess::open(p_path,FileAccess::READ,&err);
if (err!=OK) { if (!f)
return ERR_CANT_OPEN;
return err; VariantParser::StreamFile stream;
} stream.f=f;
String assign;
Variant value;
VariantParser::Tag next_tag;
int lines=0;
String error_text;
String line;
String section; String section;
String subpath;
set_registering_order(false); while(true) {
int line_count = 0; assign=Variant();
next_tag.fields.clear();
next_tag.name=String();
while(!f->eof_reached()) { err = VariantParser::parse_tag_assign_eof(&stream,lines,error_text,next_tag,assign,value,NULL,true);
if (err==ERR_FILE_EOF) {
String line = f->get_line().strip_edges(); memdelete(f);
line_count++; return OK;
}
if (line=="") else if (err!=OK) {
continue; ERR_PRINTS("GlobalConfig::load - "+p_path+":"+itos(lines)+" error: "+error_text);
memdelete(f);
// find comments return err;
{
int pos=0;
while (true) {
int ret = line.find(";",pos);
if (ret==-1)
break;
int qc=0;
for(int i=0;i<ret;i++) {
if (line[i]=='"')
qc++;
}
if ( !(qc&1) ) {
//not inside string, real comment
line=line.substr(0,ret);
break;
}
pos=ret+1;
}
} }
if (line.begins_with("[")) { if (assign!=String()) {
set(section+"/"+assign,value);
int end = line.find_last("]"); } else if (next_tag.name!=String()) {
ERR_CONTINUE(end!=line.length()-1); section=next_tag.name;
}
String section=line.substr(1,line.length()-2);
if (section=="global" || section == "")
subpath="";
else
subpath=section+"/";
} else if (line.find("=")!=-1) {
int eqpos = line.find("=");
String var=line.substr(0,eqpos).strip_edges();
String value=line.substr(eqpos+1,line.length()).strip_edges();
Variant val = _decode_variant(value);
StringName path = subpath+var;
set(path,val);
//props[subpath+var]=VariantContainer(val,last_order++,true);
} else {
if (line.length() > 0) {
ERR_PRINT(String("Syntax error on line "+itos(line_count)+" of file "+p_path).ascii().get_data());
};
};
} }
memdelete(f); memdelete(f);
set_registering_order(true);
return OK; return OK;
} }
static String _encode_variant(const Variant& p_variant) {
switch(p_variant.get_type()) {
case Variant::BOOL: {
bool val = p_variant;
return (val?"true":"false");
} break;
case Variant::INT: {
int val = p_variant;
return itos(val);
} break;
case Variant::REAL: {
float val = p_variant;
return rtos(val)+(val==int(val)?".0":"");
} break;
case Variant::VECTOR2: {
Vector2 val = p_variant;
return String("Vector2(")+rtos(val.x)+String(", ")+rtos(val.y)+String(")");
} break;
case Variant::VECTOR3: {
Vector3 val = p_variant;
return String("Vector3(")+rtos(val.x)+ String(", ") +rtos(val.y)+ String(", ") +rtos(val.z)+String(")");
} break;
case Variant::STRING: {
String val = p_variant;
return "\""+val.xml_escape()+"\"";
} break;
case Variant::COLOR: {
Color val = p_variant;
return "#"+val.to_html();
} break;
case Variant::POOL_STRING_ARRAY:
case Variant::POOL_INT_ARRAY:
case Variant::POOL_REAL_ARRAY:
case Variant::ARRAY: {
Array arr = p_variant;
String str="[";
for(int i=0;i<arr.size();i++) {
if (i>0)
str+=", ";
str+=_encode_variant(arr[i]);
}
str+="]";
return str;
} break;
case Variant::DICTIONARY: {
Dictionary d = p_variant;
String str="{";
List<Variant> keys;
d.get_key_list(&keys);
for(List<Variant>::Element *E=keys.front();E;E=E->next()) {
if (E!=keys.front())
str+=", ";
str+=_encode_variant(E->get());
str+=":";
str+=_encode_variant(d[E->get()]);
}
str+="}";
return str;
} break;
case Variant::IMAGE: {
String str="img(";
Image img=p_variant;
if (!img.empty()) {
String format;
/*
switch(img.get_format()) {
case Image::FORMAT_L8: format="grayscale"; break;
case Image::FORMAT_INTENSITY: format="intensity"; break;
case Image::FORMAT_LA8: format="grayscale_alpha"; break;
case Image::FORMAT_RGB8: format="rgb"; break;
case Image::FORMAT_RGBA8: format="rgba"; break;
case Image::FORMAT_INDEXED : format="indexed"; break;
case Image::FORMAT_INDEXED_ALPHA: format="indexed_alpha"; break;
case Image::FORMAT_DXT1: format="bc1"; break;
case Image::FORMAT_DXT3: format="bc2"; break;
case Image::FORMAT_DXT5: format="bc3"; break;
case Image::FORMAT_ATI1: format="bc4"; break;
case Image::FORMAT_ATI2: format="bc5"; break;
case Image::FORMAT_CUSTOM: format="custom custom_size="+itos(img.get_data().size())+""; break;
default: {}
}
*/
str+=format+", ";
str+=itos(img.has_mipmaps())+", ";
str+=itos(img.get_width())+", ";
str+=itos(img.get_height())+", ";
PoolVector<uint8_t> data = img.get_data();
int ds=data.size();
PoolVector<uint8_t>::Read r = data.read();
for(int i=0;i<ds;i++) {
uint8_t byte = r[i];
const char hex[16]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
char bstr[3]={ hex[byte>>4], hex[byte&0xF], 0};
str+=bstr;
}
}
str+=")";
return str;
} break;
case Variant::INPUT_EVENT: {
InputEvent ev = p_variant;
switch(ev.type) {
case InputEvent::KEY: {
String mods;
if (ev.key.mod.control)
mods+="C";
if (ev.key.mod.shift)
mods+="S";
if (ev.key.mod.alt)
mods+="A";
if (ev.key.mod.meta)
mods+="M";
if (mods!="")
mods=", "+mods;
return "key("+keycode_get_string(ev.key.scancode)+mods+")";
} break;
case InputEvent::MOUSE_BUTTON: {
return "mbutton("+itos(ev.device)+", "+itos(ev.mouse_button.button_index)+")";
} break;
case InputEvent::JOYPAD_BUTTON: {
return "jbutton("+itos(ev.device)+", "+itos(ev.joy_button.button_index)+")";
} break;
case InputEvent::JOYPAD_MOTION: {
return "jaxis("+itos(ev.device)+", "+itos(ev.joy_motion.axis * 2 + (ev.joy_motion.axis_value<0?0:1))+")";
} break;
default: {
return "nil";
} break;
}
} break;
default: {}
}
return "nil"; //don't know wha to do with this
}
int GlobalConfig::get_order(const String& p_name) const { int GlobalConfig::get_order(const String& p_name) const {
@ -1174,7 +623,10 @@ Error GlobalConfig::_save_settings_text(const String& p_file,const Map<String,Li
else else
value = get(key); value = get(key);
file->store_string(F->get()+"="+_encode_variant(value)+"\n");
String vstr;
VariantWriter::write_to_string(value,vstr);
file->store_string(F->get()+"="+vstr+"\n");
} }
} }