1 /* see copyright notice in squirrel.h */
\r
2 #include <squirrel.h>
\r
3 #include <sqstdstring.h>
\r
11 #define scstrchr wcschr
\r
12 #define scsnprintf wsnprintf
\r
13 #define scatoi _wtoi
\r
14 #define scstrtok wcstok
\r
16 #define scstrchr strchr
\r
17 #define scsnprintf snprintf
\r
19 #define scstrtok strtok
\r
21 #define MAX_FORMAT_LEN 20
\r
22 #define MAX_WFORMAT_LEN 3
\r
23 #define ADDITIONAL_FORMAT_SPACE (100*sizeof(SQChar))
\r
25 static SQInteger validate_format(HSQUIRRELVM v, SQChar *fmt, const SQChar *src, SQInteger n,SQInteger &width)
\r
27 SQChar swidth[MAX_WFORMAT_LEN];
\r
29 SQInteger start = n;
\r
31 while (scstrchr(_SC("-+ #0"), src[n])) n++;
\r
32 while (scisdigit(src[n])) {
\r
33 swidth[wc] = src[n];
\r
36 if(wc>=MAX_WFORMAT_LEN)
\r
37 return sq_throwerror(v,_SC("width format too long"));
\r
41 width = scatoi(swidth);
\r
45 if (src[n] == '.') {
\r
49 while (scisdigit(src[n])) {
\r
50 swidth[wc] = src[n];
\r
53 if(wc>=MAX_WFORMAT_LEN)
\r
54 return sq_throwerror(v,_SC("precision format too long"));
\r
58 width += scatoi(swidth);
\r
61 if (n-start > MAX_FORMAT_LEN )
\r
62 return sq_throwerror(v,_SC("format too long"));
\r
63 memcpy(&fmt[1],&src[start],((n-start)+1)*sizeof(SQChar));
\r
64 fmt[(n-start)+2] = '\0';
\r
68 static SQInteger _string_format(HSQUIRRELVM v)
\r
70 const SQChar *format;
\r
72 SQChar fmt[MAX_FORMAT_LEN];
\r
73 sq_getstring(v,2,&format);
\r
74 SQInteger allocated = (sq_getsize(v,2)+1)*sizeof(SQChar);
\r
75 dest = sq_getscratchpad(v,allocated);
\r
76 SQInteger n = 0,i = 0, nparam = 3, w = 0;
\r
77 while(format[n] != '\0') {
\r
78 if(format[n] != '%') {
\r
79 assert(i < allocated);
\r
80 dest[i++] = format[n];
\r
83 else if(format[n+1] == '%') { //handles %%
\r
89 if( nparam > sq_gettop(v) )
\r
90 return sq_throwerror(v,_SC("not enough paramters for the given format string"));
\r
91 n = validate_format(v,fmt,format,n,w);
\r
92 if(n < 0) return -1;
\r
93 SQInteger addlen = 0;
\r
94 SQInteger valtype = 0;
\r
100 if(SQ_FAILED(sq_getstring(v,nparam,&ts)))
\r
101 return sq_throwerror(v,_SC("string expected for the specified format"));
\r
102 addlen = (sq_getsize(v,nparam)*sizeof(SQChar))+((w+1)*sizeof(SQChar));
\r
105 case 'i': case 'd': case 'c':case 'o': case 'u': case 'x': case 'X':
\r
106 if(SQ_FAILED(sq_getinteger(v,nparam,&ti)))
\r
107 return sq_throwerror(v,_SC("integer expected for the specified format"));
\r
108 addlen = (ADDITIONAL_FORMAT_SPACE)+((w+1)*sizeof(SQChar));
\r
111 case 'f': case 'g': case 'G': case 'e': case 'E':
\r
112 if(SQ_FAILED(sq_getfloat(v,nparam,&tf)))
\r
113 return sq_throwerror(v,_SC("float expected for the specified format"));
\r
114 addlen = (ADDITIONAL_FORMAT_SPACE)+((w+1)*sizeof(SQChar));
\r
118 return sq_throwerror(v,_SC("invalid format"));
\r
121 allocated += addlen;
\r
122 dest = sq_getscratchpad(v,allocated);
\r
124 case 's': i += scsprintf(&dest[i],fmt,ts); break;
\r
125 case 'i': i += scsprintf(&dest[i],fmt,ti); break;
\r
126 case 'f': i += scsprintf(&dest[i],fmt,tf); break;
\r
131 sq_pushstring(v,dest,i);
\r
135 static void __strip_l(const SQChar *str,const SQChar **start)
\r
137 const SQChar *t = str;
\r
138 while(((*t) != '\0') && scisspace(*t)){ t++; }
\r
142 static void __strip_r(const SQChar *str,SQInteger len,const SQChar **end)
\r
148 const SQChar *t = &str[len-1];
\r
149 while(t != str && scisspace(*t)) { t--; }
\r
153 static SQInteger _string_strip(HSQUIRRELVM v)
\r
155 const SQChar *str,*start,*end;
\r
156 sq_getstring(v,2,&str);
\r
157 SQInteger len = sq_getsize(v,2);
\r
158 __strip_l(str,&start);
\r
159 __strip_r(str,len,&end);
\r
160 sq_pushstring(v,start,end - start);
\r
164 static SQInteger _string_lstrip(HSQUIRRELVM v)
\r
166 const SQChar *str,*start;
\r
167 sq_getstring(v,2,&str);
\r
168 __strip_l(str,&start);
\r
169 sq_pushstring(v,start,-1);
\r
173 static SQInteger _string_rstrip(HSQUIRRELVM v)
\r
175 const SQChar *str,*end;
\r
176 sq_getstring(v,2,&str);
\r
177 SQInteger len = sq_getsize(v,2);
\r
178 __strip_r(str,len,&end);
\r
179 sq_pushstring(v,str,end - str);
\r
183 static SQInteger _string_split(HSQUIRRELVM v)
\r
185 const SQChar *str,*seps;
\r
186 SQChar *stemp,*tok;
\r
187 sq_getstring(v,2,&str);
\r
188 sq_getstring(v,3,&seps);
\r
189 if(sq_getsize(v,3) == 0) return sq_throwerror(v,_SC("empty separators string"));
\r
190 SQInteger memsize = (sq_getsize(v,2)+1)*sizeof(SQChar);
\r
191 stemp = sq_getscratchpad(v,memsize);
\r
192 memcpy(stemp,str,memsize);
\r
193 tok = scstrtok(stemp,seps);
\r
195 while( tok != NULL ) {
\r
196 sq_pushstring(v,tok,-1);
\r
197 sq_arrayappend(v,-2);
\r
198 tok = scstrtok( NULL, seps );
\r
203 #define SETUP_REX(v) \
\r
204 SQRex *self = NULL; \
\r
205 sq_getinstanceup(v,1,(SQUserPointer *)&self,0);
\r
207 static SQInteger _rexobj_releasehook(SQUserPointer p, SQInteger size)
\r
209 SQRex *self = ((SQRex *)p);
\r
210 sqstd_rex_free(self);
\r
214 static SQInteger _regexp_match(HSQUIRRELVM v)
\r
218 sq_getstring(v,2,&str);
\r
219 if(sqstd_rex_match(self,str) == SQTrue)
\r
221 sq_pushbool(v,SQTrue);
\r
224 sq_pushbool(v,SQFalse);
\r
228 static void _addrexmatch(HSQUIRRELVM v,const SQChar *str,const SQChar *begin,const SQChar *end)
\r
231 sq_pushstring(v,_SC("begin"),-1);
\r
232 sq_pushinteger(v,begin - str);
\r
234 sq_pushstring(v,_SC("end"),-1);
\r
235 sq_pushinteger(v,end - str);
\r
239 static SQInteger _regexp_search(HSQUIRRELVM v)
\r
242 const SQChar *str,*begin,*end;
\r
243 SQInteger start = 0;
\r
244 sq_getstring(v,2,&str);
\r
245 if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
\r
246 if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
\r
247 _addrexmatch(v,str,begin,end);
\r
253 static SQInteger _regexp_capture(HSQUIRRELVM v)
\r
256 const SQChar *str,*begin,*end;
\r
257 SQInteger start = 0;
\r
258 sq_getstring(v,2,&str);
\r
259 if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
\r
260 if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
\r
261 SQInteger n = sqstd_rex_getsubexpcount(self);
\r
264 for(SQInteger i = 0;i < n; i++) {
\r
265 sqstd_rex_getsubexp(self,i,&match);
\r
267 _addrexmatch(v,str,match.begin,match.begin+match.len);
\r
269 _addrexmatch(v,str,str,str); //empty match
\r
270 sq_arrayappend(v,-2);
\r
277 static SQInteger _regexp_subexpcount(HSQUIRRELVM v)
\r
280 sq_pushinteger(v,sqstd_rex_getsubexpcount(self));
\r
284 static SQInteger _regexp_constructor(HSQUIRRELVM v)
\r
286 const SQChar *error,*pattern;
\r
287 sq_getstring(v,2,&pattern);
\r
288 SQRex *rex = sqstd_rex_compile(pattern,&error);
\r
289 if(!rex) return sq_throwerror(v,error);
\r
290 sq_setinstanceup(v,1,rex);
\r
291 sq_setreleasehook(v,1,_rexobj_releasehook);
\r
295 static SQInteger _regexp__typeof(HSQUIRRELVM v)
\r
297 sq_pushstring(v,_SC("regexp"),-1);
\r
301 #define _DECL_REX_FUNC(name,nparams,pmask) {_SC(#name),_regexp_##name,nparams,pmask}
\r
302 static SQRegFunction rexobj_funcs[]={
\r
303 _DECL_REX_FUNC(constructor,2,_SC(".s")),
\r
304 _DECL_REX_FUNC(search,-2,_SC("xsn")),
\r
305 _DECL_REX_FUNC(match,2,_SC("xs")),
\r
306 _DECL_REX_FUNC(capture,-2,_SC("xsn")),
\r
307 _DECL_REX_FUNC(subexpcount,1,_SC("x")),
\r
308 _DECL_REX_FUNC(_typeof,1,_SC("x")),
\r
312 #define _DECL_FUNC(name,nparams,pmask) {_SC(#name),_string_##name,nparams,pmask}
\r
313 static SQRegFunction stringlib_funcs[]={
\r
314 _DECL_FUNC(format,-2,_SC(".s")),
\r
315 _DECL_FUNC(strip,2,_SC(".s")),
\r
316 _DECL_FUNC(lstrip,2,_SC(".s")),
\r
317 _DECL_FUNC(rstrip,2,_SC(".s")),
\r
318 _DECL_FUNC(split,3,_SC(".ss")),
\r
323 SQInteger sqstd_register_stringlib(HSQUIRRELVM v)
\r
325 sq_pushstring(v,_SC("regexp"),-1);
\r
326 sq_newclass(v,SQFalse);
\r
328 while(rexobj_funcs[i].name != 0) {
\r
329 SQRegFunction &f = rexobj_funcs[i];
\r
330 sq_pushstring(v,f.name,-1);
\r
331 sq_newclosure(v,f.f,0);
\r
332 sq_setparamscheck(v,f.nparamscheck,f.typemask);
\r
333 sq_setnativeclosurename(v,-1,f.name);
\r
334 sq_createslot(v,-3);
\r
337 sq_createslot(v,-3);
\r
340 while(stringlib_funcs[i].name!=0)
\r
342 sq_pushstring(v,stringlib_funcs[i].name,-1);
\r
343 sq_newclosure(v,stringlib_funcs[i].f,0);
\r
344 sq_setparamscheck(v,stringlib_funcs[i].nparamscheck,stringlib_funcs[i].typemask);
\r
345 sq_setnativeclosurename(v,-1,stringlib_funcs[i].name);
\r
346 sq_createslot(v,-3);
\r