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Diffstat (limited to 'archive/hgehelp/parser.cpp')
| -rw-r--r-- | archive/hgehelp/parser.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/archive/hgehelp/parser.cpp b/archive/hgehelp/parser.cpp new file mode 100644 index 0000000..0386ef9 --- /dev/null +++ b/archive/hgehelp/parser.cpp @@ -0,0 +1,209 @@ +/* +** Haaf's Game Engine 1.7 +** Copyright (C) 2003-2007, Relish Games +** hge.relishgames.com +** +** Resource script parser implementation +*/ + +#include "parser.h" + + +HGE *RScriptParser::hge=0; + + +struct keyword +{ + const char* word; + int code; +}; + +keyword keytable[]= +{ + { "=", TTEQUALS }, + { ":", TTBASED }, + { ",", TTSEPARATOR }, + { "{", TTOPENBLOCK }, + { "}", TTCLOSEBLOCK }, + { "true", TTBOOL }, + { "false", TTBOOL }, + + { "Include", TTRES_INCLUDE }, + { "Resource", TTRES_RESOURCE }, + { "Texture", TTRES_TEXTURE }, + { "Sound", TTRES_SOUND }, + { "Music", TTRES_MUSIC }, + { "Stream", TTRES_STREAM }, + { "Target", TTRES_TARGET }, + { "Sprite", TTRES_SPRITE }, + { "Animation", TTRES_ANIMATION }, + { "Font", TTRES_FONT }, + { "Particle", TTRES_PARTICLE }, + { "Distortion", TTRES_DISTORT }, + { "StringTable",TTRES_STRTABLE }, + + { "filename", TTPAR_FILENAME }, + { "resgroup", TTPAR_RESGROUP }, + { "mipmap", TTPAR_MIPMAP }, + { "amplify", TTPAR_AMPLIFY }, + { "size", TTPAR_SIZE }, + { "zbuffer", TTPAR_ZBUFFER }, + { "texture", TTPAR_TEXTURE }, + { "rect", TTPAR_RECT }, + { "hotspot", TTPAR_HOTSPOT }, + { "blendmode", TTPAR_BLENDMODE }, + { "color", TTPAR_COLOR }, + { "zorder", TTPAR_ZORDER }, + { "flip", TTPAR_FLIP }, + { "scale", TTPAR_SCALE }, + { "proportion", TTPAR_PROPORTION}, + { "rotation", TTPAR_ROTATION }, + { "frames", TTPAR_FRAMES }, + { "fps", TTPAR_FPS }, + { "mode", TTPAR_MODE }, + { "tracking", TTPAR_TRACKING }, + { "spacing", TTPAR_SPACING }, + { "sprite", TTPAR_SPRITE }, + { "mesh", TTPAR_MESH }, + + { "COLORMUL", TTCON_COLORMUL }, + { "COLORADD", TTCON_COLORADD }, + { "ALPHABLEND", TTCON_ALPHABLND }, + { "ALPHAADD", TTCON_ALPHAADD }, + { "ZWRITE", TTCON_ZWRITE }, + { "NOZWRITE", TTCON_NOZWRITE }, + { "FORWARD", TTCON_FORWARD }, + { "REVERSE", TTCON_REVERSE }, + { "PINGPONG", TTCON_PINGPONG }, + { "NOPINGPONG", TTCON_NOPINGPONG}, + { "LOOP", TTCON_LOOP }, + { "NOLOOP", TTCON_NOLOOP }, + { "CIRCLE", TTCON_CIRCLE }, + { "RECT", TTCON_RECT }, + { "ALPHA", TTCON_ALPHA }, + + { NULL, TTNONE } +}; + +RScriptParser::RScriptParser(char *name, char *scr) +{ + hge=hgeCreate(HGE_VERSION); + + scriptname=name; + script=scr; + tokenvalue[0]=0; + tokentype=TTNONE; + line=1; +} + +int RScriptParser::get_token() +{ + int i; + + // Skip whitespaces and comments + + for(;;) + { + while(*script==' ' || *script=='\t' || *script=='\n' || *script=='\r') + { + if(*script=='\n') line++; + script++; + } + if(*script==';') while(*script && *script!='\n' && *script!='\r') script++; + else break; + } + + // End of script + + if(!*script) { tokentype=TTEND; tokenvalue[0]=0; return tokentype; } + + // Number + + if((*script>='0' && *script<='9') || *script=='.' || *script=='-') + { + tokentype=TTNUMBER; + for(i=0;(*script>='0' && *script<='9') || *script=='.' || *script=='-';i++) + tokenvalue[i]=*script++; + + // Hexadecimal number starting with decimal digit + + if((*script>='A' && *script<='F') || (*script>='a' && *script<='f')) + { + tokentype=TTSTRING; + for(; (*script>='A' && *script<='F') || (*script>='a' && *script<='f') ; i++) + tokenvalue[i]=*script++; + } + + tokenvalue[i]=0; + return tokentype; + } + + // Quoted string + + if(*script=='"') + { + tokentype=TTSTRING; + script++; + for(i=0;*script && *script!='"' && *script!='\n' && *script!='\r';i++) + tokenvalue[i]=*script++; + tokenvalue[i]=0; + if(*script) script++; + return tokentype; + } + + // Keyword + + for(i=0;keytable[i].word;i++) + if(!strtkcmp(keytable[i].word, script)) + { + tokentype = keytable[i].code; + strcpy(tokenvalue,keytable[i].word); + script+=strlen(keytable[i].word); + return tokentype; + } + + // Unquoted string or hexadecimal number + + tokentype=TTSTRING; + for(i=0; + *script && *script!=' ' && *script!='\t' && *script!='\n' && *script!='\r' + && *script!=',' && *script!='=' && *script!='{' && *script!='}' && *script!=':'; + i++) + tokenvalue[i]=*script++; + tokenvalue[i]=0; + return tokentype; +} + +bool RScriptParser::strtkcmp(const char* str, const char* mem) +{ + int i,len=strlen(str); + for(i=0;i<len;i++) + { + if(!mem[i]) return true; + if(mem[i] != str[i]) return true; + } + return false; +} + +DWORD RScriptParser::tkn_hex() +{ + int i; + DWORD dw=0; + char chr; + for(i=0; tokenvalue[i]; i++) + { + chr=tokenvalue[i]; + if(chr >= 'a') chr-='a'-':'; + if(chr >= 'A') chr-='A'-':'; + chr-='0'; + if(chr>0xF) chr=0xF; + dw=(dw << 4) | chr; + } + return dw; +} + +void RScriptParser::ScriptPostError(const char *msg1, const char *msg2) +{ + hge->System_Log("%s, line %d: %s'%s'%s", + get_name(), get_line(), msg1, tokenvalue[0] ? tkn_string():"<EOF>", msg2); +} |