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
15 #define scstrchr strchr
\r
16 #define scsnprintf snprintf
\r
19 #define MAX_FORMAT_LEN 20
\r
20 #define MAX_WFORMAT_LEN 3
\r
21 #define ADDITIONAL_FORMAT_SPACE (100*sizeof(SQChar))
\r
23 static SQInteger validate_format(HSQUIRRELVM v, SQChar *fmt, const SQChar *src, SQInteger n,SQInteger &width)
\r
25 SQChar swidth[MAX_WFORMAT_LEN];
\r
27 SQInteger start = n;
\r
29 while (scstrchr(_SC("-+ #0"), src[n])) n++;
\r
30 while (scisdigit(src[n])) {
\r
31 swidth[wc] = src[n];
\r
34 if(wc>=MAX_WFORMAT_LEN)
\r
35 return sq_throwerror(v,_SC("width format too long"));
\r
39 width = scatoi(swidth);
\r
43 if (src[n] == '.') {
\r
47 while (scisdigit(src[n])) {
\r
48 swidth[wc] = src[n];
\r
51 if(wc>=MAX_WFORMAT_LEN)
\r
52 return sq_throwerror(v,_SC("precision format too long"));
\r
56 width += scatoi(swidth);
\r
59 if (n-start > MAX_FORMAT_LEN )
\r
60 return sq_throwerror(v,_SC("format too long"));
\r
61 memcpy(&fmt[1],&src[start],((n-start)+1)*sizeof(SQChar));
\r
62 fmt[(n-start)+2] = '\0';
\r
66 static SQInteger _string_format(HSQUIRRELVM v)
\r
68 const SQChar *format;
\r
70 SQChar fmt[MAX_FORMAT_LEN];
\r
71 sq_getstring(v,2,&format);
\r
72 SQInteger allocated = (sq_getsize(v,2)+1)*sizeof(SQChar);
\r
73 dest = sq_getscratchpad(v,allocated);
\r
74 SQInteger n = 0,i = 0, nparam = 3, w;
\r
75 while(format[n] != '\0') {
\r
76 if(format[n] != '%') {
\r
77 assert(i < allocated);
\r
78 dest[i++] = format[n];
\r
81 else if(format[n+1] == '%') { //handles %%
\r
87 if( nparam > sq_gettop(v) )
\r
88 return sq_throwerror(v,_SC("not enough paramters for the given format string"));
\r
89 n = validate_format(v,fmt,format,n,w);
\r
90 if(n < 0) return -1;
\r
91 SQInteger addlen = 0;
\r
92 SQInteger valtype = 0;
\r
98 if(SQ_FAILED(sq_getstring(v,nparam,&ts)))
\r
99 return sq_throwerror(v,_SC("string expected for the specified format"));
\r
100 addlen = (sq_getsize(v,nparam)*sizeof(SQChar))+((w+1)*sizeof(SQChar));
\r
103 case 'i': case 'd': case 'c':case 'o': case 'u': case 'x': case 'X':
\r
104 if(SQ_FAILED(sq_getinteger(v,nparam,&ti)))
\r
105 return sq_throwerror(v,_SC("integer expected for the specified format"));
\r
106 addlen = (ADDITIONAL_FORMAT_SPACE)+((w+1)*sizeof(SQChar));
\r
109 case 'f': case 'g': case 'G': case 'e': case 'E':
\r
110 if(SQ_FAILED(sq_getfloat(v,nparam,&tf)))
\r
111 return sq_throwerror(v,_SC("float expected for the specified format"));
\r
112 addlen = (ADDITIONAL_FORMAT_SPACE)+((w+1)*sizeof(SQChar));
\r
116 return sq_throwerror(v,_SC("invalid format"));
\r
119 if((allocated-i) < addlen)
\r
120 allocated += addlen;
\r
121 dest = sq_getscratchpad(v,allocated);
\r
123 case 's': i += scsprintf(&dest[i],fmt,ts); break;
\r
124 case 'i': i += scsprintf(&dest[i],fmt,ti); break;
\r
125 case 'f': i += scsprintf(&dest[i],fmt,tf); break;
\r
130 sq_pushstring(v,dest,i);
\r
134 #define SETUP_REX(v) \
\r
135 SQRex *self = NULL; \
\r
136 sq_getinstanceup(v,1,(SQUserPointer *)&self,0);
\r
138 static SQInteger _rexobj_releasehook(SQUserPointer p, SQInteger size)
\r
140 SQRex *self = ((SQRex *)p);
\r
141 sqstd_rex_free(self);
\r
145 static SQInteger _regexp_match(HSQUIRRELVM v)
\r
149 sq_getstring(v,2,&str);
\r
150 if(sqstd_rex_match(self,str) == SQTrue)
\r
152 sq_pushinteger(v,1);
\r
158 static void _addrexmatch(HSQUIRRELVM v,const SQChar *str,const SQChar *begin,const SQChar *end)
\r
161 sq_pushstring(v,_SC("begin"),-1);
\r
162 sq_pushinteger(v,begin - str);
\r
164 sq_pushstring(v,_SC("end"),-1);
\r
165 sq_pushinteger(v,end - str);
\r
169 static SQInteger _regexp_search(HSQUIRRELVM v)
\r
172 const SQChar *str,*begin,*end;
\r
173 SQInteger start = 0;
\r
174 sq_getstring(v,2,&str);
\r
175 if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
\r
176 if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
\r
177 _addrexmatch(v,str,begin,end);
\r
183 static SQInteger _regexp_capture(HSQUIRRELVM v)
\r
186 const SQChar *str,*begin,*end;
\r
187 SQInteger start = 0;
\r
188 sq_getstring(v,2,&str);
\r
189 if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
\r
190 if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
\r
191 SQInteger n = sqstd_rex_getsubexpcount(self);
\r
194 for(SQInteger i = 0;i < n; i++) {
\r
195 sqstd_rex_getsubexp(self,i,&match);
\r
197 _addrexmatch(v,str,match.begin,match.begin+match.len);
\r
199 _addrexmatch(v,str,str,str); //empty match
\r
200 sq_arrayappend(v,-2);
\r
207 static SQInteger _regexp_subexpcount(HSQUIRRELVM v)
\r
210 sq_pushinteger(v,sqstd_rex_getsubexpcount(self));
\r
214 static SQInteger _regexp_constructor(HSQUIRRELVM v)
\r
216 const SQChar *error,*pattern;
\r
217 sq_getstring(v,2,&pattern);
\r
218 SQRex *rex = sqstd_rex_compile(pattern,&error);
\r
219 if(!rex) return sq_throwerror(v,error);
\r
220 sq_setinstanceup(v,1,rex);
\r
221 sq_setreleasehook(v,1,_rexobj_releasehook);
\r
225 static SQInteger _regexp__typeof(HSQUIRRELVM v)
\r
227 sq_pushstring(v,_SC("regexp"),-1);
\r
231 #define _DECL_REX_FUNC(name,nparams,pmask) {_SC(#name),_regexp_##name,nparams,pmask}
\r
232 static SQRegFunction rexobj_funcs[]={
\r
233 _DECL_REX_FUNC(constructor,2,_SC(".s")),
\r
234 _DECL_REX_FUNC(search,-2,_SC("xsn")),
\r
235 _DECL_REX_FUNC(match,2,_SC("xs")),
\r
236 _DECL_REX_FUNC(capture,-2,_SC("xsn")),
\r
237 _DECL_REX_FUNC(subexpcount,1,_SC("x")),
\r
238 _DECL_REX_FUNC(_typeof,1,_SC("x")),
\r
242 #define _DECL_FUNC(name,nparams,pmask) {_SC(#name),_string_##name,nparams,pmask}
\r
243 static SQRegFunction stringlib_funcs[]={
\r
244 _DECL_FUNC(format,-2,_SC(".s")),
\r
249 SQInteger sqstd_register_stringlib(HSQUIRRELVM v)
\r
251 sq_pushstring(v,_SC("regexp"),-1);
\r
252 sq_newclass(v,SQFalse);
\r
254 while(rexobj_funcs[i].name != 0) {
\r
255 SQRegFunction &f = rexobj_funcs[i];
\r
256 sq_pushstring(v,f.name,-1);
\r
257 sq_newclosure(v,f.f,0);
\r
258 sq_setparamscheck(v,f.nparamscheck,f.typemask);
\r
259 sq_setnativeclosurename(v,-1,f.name);
\r
260 sq_createslot(v,-3);
\r
263 sq_createslot(v,-3);
\r
266 while(stringlib_funcs[i].name!=0)
\r
268 sq_pushstring(v,stringlib_funcs[i].name,-1);
\r
269 sq_newclosure(v,stringlib_funcs[i].f,0);
\r
270 sq_setparamscheck(v,stringlib_funcs[i].nparamscheck,stringlib_funcs[i].typemask);
\r
271 sq_setnativeclosurename(v,-1,stringlib_funcs[i].name);
\r
272 sq_createslot(v,-3);
\r