196 lines
3.8 KiB
C
196 lines
3.8 KiB
C
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struct _tag
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{
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char name[32];
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char prior[32];
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bool opened;
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collection attributes;
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collection values;
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dword value;
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bool is();
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bool parse();
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void debug_tag();
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dword get_next_param();
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dword get_value_of();
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} tag=0;
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bool _tag::is(dword _text)
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{
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if ( !strcmp(#name, _text) ) {
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return true;
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} else {
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return false;
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}
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}
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bool _tag::parse(dword _bufpos, bufend)
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{
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bool retok = true;
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dword bufpos = ESDWORD[_bufpos];
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dword params, paramsend;
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dword closepos;
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dword whitepos;
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if (name) strcpy(#prior, #name); else prior = '\0';
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name = '\0';
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attributes.drop();
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values.drop();
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if (!strncmp(bufpos,"!--",3))
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{
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bufpos+=3;
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//STRSTR
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while (strncmp(bufpos,"-->",3)!=0) && (bufpos < bufend)
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{
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bufpos++;
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}
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bufpos+=2;
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retok = false;
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goto _RET;
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}
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if (ESBYTE[bufpos] == '/') {
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opened = false;
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bufpos++;
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} else {
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opened = true;
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}
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closepos = strchr(bufpos, '>');
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whitepos = strchrw(bufpos, bufend-bufpos);
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if (debug_mode) {
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if (!closepos) debugln("null closepos");
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if (!whitepos) debugln("null whitepos");
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}
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if (!whitepos) || (whitepos > closepos) {
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//no param
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strncpy(#name, bufpos, math.min(closepos - bufpos, sizeof(tag.name)));
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debug_tag();
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bufpos = closepos;
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} else {
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//we have param
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strncpy(#name, bufpos, math.min(whitepos - bufpos, sizeof(tag.name)));
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debug_tag();
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bufpos = closepos;
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params = malloc(closepos - whitepos + 1);
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strncpy(params, whitepos, closepos - whitepos);
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if (debug_mode) { debug("params: "); debugln(params+1); }
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paramsend = params + closepos - whitepos;
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while (paramsend = get_next_param(params, paramsend-1));
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free(params);
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}
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if (name) {
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strlwr(#name);
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// ignore text inside the next tags
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if (is("script")) || (is("style")) || (is("binary")) || (is("select")) {
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strcpy(#prior, #name);
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sprintf(#name, "</%s>", #prior);
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if (strstri(bufpos, #name)) bufpos = EAX-1;
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retok = false;
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} else {
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if (name[strlen(#name)-1]=='/') name[strlen(#name)-1]=NULL; //for <br/>
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}
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} else {
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retok = false;
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}
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_RET:
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ESDWORD[_bufpos] = bufpos;
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return retok;
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}
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void _tag::debug_tag()
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{
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if (debug_mode) {
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debugch('<');
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if (!opened) debugch('/');
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debug(#name);
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debugln(">");
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}
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}
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dword _tag::get_next_param(dword ps, pe)
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{
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// "ps" - param start
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// "pe" - param end
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// "q" - quote char
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char q = NULL;
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dword fixeq;
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dword val;
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dword attr;
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if (ESBYTE[pe] == '/') pe--;
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while (pe>ps) && (__isWhite(ESBYTE[pe])) pe--;
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if (ESBYTE[pe] == '"') || (ESBYTE[pe] == '\'')
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{
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//remove quote
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q = ESBYTE[pe];
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ESBYTE[pe] = '\0';
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pe--;
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//find VAL start and copy
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pe = strrchr(ps, q) + ps;
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val = pe;
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pe--;
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ESBYTE[pe] = '\0';
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//find ATTR end
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while (pe > ps) && (ESBYTE[pe] != '=') pe--;
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ESBYTE[pe] = '\0';
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}
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else
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{
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//find VAL start and copy
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while (pe > ps) && (ESBYTE[pe] != '=') pe--;
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val = pe+1;
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ESBYTE[pe] = '\0';
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//already have ATTR end
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}
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//find ATTR start and copy
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while (pe>ps) && (!__isWhite(ESBYTE[pe])) pe--;
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attr = pe + 1;
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ESBYTE[pe] = '\0';
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// Fix case: src=./images/logo?sid=e8ece8b38b
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// Exchange '=' and '\0' position.
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// attr: src=./images/logo?sid => src
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// val: e8ece8b38b => ./images/logo?sid=e8ece8b38b
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fixeq = strchr(attr,'=');
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if (!q) && (fixeq) {
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ESBYTE[val-1] >< ESBYTE[fixeq];
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val = fixeq+1;
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}
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strlwr(attr);
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strrtrim(val);
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attributes.add(attr);
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values.add(val);
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if (debug_mode) {
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debug("atr: "); debugln(attr);
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debug("val: "); debugln(val);
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debugch('\n');
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}
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if (pe==ps) return NULL;
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return pe;
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}
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dword _tag::get_value_of(dword _attr_name)
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{
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int pos = attributes.get_pos_by_name(_attr_name);
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if (pos == -1) {
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value = 0;
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} else {
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value = values.get(pos);
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}
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return value;
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}
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