forked from KolibriOS/kolibrios
190 lines
3.6 KiB
C
190 lines
3.6 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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char params[6000];
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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_tag();
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void debug_tag();
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bool 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_tag(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 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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params = '\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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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 (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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params = '\0';
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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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strncpy(#params, whitepos, math.min(closepos - whitepos, sizeof(tag.params)));
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debug_tag();
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bufpos = closepos;
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while (get_next_param());
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}
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if (!name) {
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retok = false;
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goto _RET;
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}
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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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goto _RET;
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}
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if (name[strlen(#name)-1]=='/') name[strlen(#name)-1]=NULL; //for <br/>
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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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if (params) {
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debug("params: ");
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debugln(#params+1);
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}
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}
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}
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bool _tag::get_next_param()
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{
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byte quotes = NULL;
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int i;
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unsigned char val[6000];
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unsigned char attr[6000];
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if (!params) return false;
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i = strlen(#params) - 1;
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if (params[i] == '/') i--;
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while (i>0) && (__isWhite(params[i])) i--;
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if (params[i] == '"') || (params[i] == '\'')
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{
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//remove quotes
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quotes = params[i];
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params[i] = '\0';
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i--;
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//find VAL start and copy
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i = strrchr(#params, quotes);
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strlcpy(#val, #params + i, sizeof(val)-1);
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params[i] = '\0';
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i--;
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//find ATTR end
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while (i > 0) && (params[i] != '=') i--;
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params[i+1] = '\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 (i > 0) && (params[i] != '=') i--;
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i++;
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strlcpy(#val, #params + i, sizeof(val)-1);
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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 (i>0) && (!__isWhite(params[i])) i--;
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strlcpy(#attr, #params + i + 1, sizeof(attr)-1);
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params[i] = '\0';
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//fix case: src=./images/KolibriOS_logo2.jpg?sid=e8ece8b38b
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i = strchr(#attr,'=');
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if (!quotes) && (i) {
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strlcpy(#val, i+1, sizeof(val)-1);
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ESBYTE[i+1] = '\0';
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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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return true;
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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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