Import version of libhtml that might actually work with ANSI C.
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163
src/libhtml/impl.h
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163
src/libhtml/impl.h
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// UTILS
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typedef struct List List;
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typedef struct Strlist Strlist;
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// List of integers (and also generic list with next pointer at beginning)
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struct List
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{
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List* next;
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int val;
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};
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struct Strlist
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{
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Strlist* next;
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Rune* val;
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};
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extern int _inclass(Rune c, Rune* cl);
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extern int _listlen(List* l);
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extern Rune* _ltoStr(int n);
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extern List* _newlist(int val, List* rest);
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extern Rune* _newstr(int n);
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extern int _prefix(Rune* pre, Rune* s);
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extern List* _revlist(List* l);
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extern void _splitl(Rune* s, int n, Rune* cl, Rune** p1, int* n1, Rune** p2, int* n2);
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extern void _splitr(Rune* s, int n, Rune* cl, Rune** p1, int* n1, Rune** p2, int* n2);
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extern int _splitall(Rune* s, int n, Rune* cl, Rune** strarr, int* lenarr, int alen);
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extern Rune* _Stradd(Rune*s1, Rune* s2, int n);
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extern Rune* _Strclass(Rune* s, Rune* cl);
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extern int _Strcmp(Rune* s1, Rune* s2);
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extern Rune* _Strdup(Rune* s);
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extern Rune* _Strdup2(Rune* s, Rune* t);
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extern int _Streqn(Rune* s1, int n1, Rune* s2);
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extern int _Strlen(Rune* s);
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extern Rune* _Strnclass(Rune* s, Rune* cl, int n);
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extern int _Strncmpci(Rune* s1, int n1, Rune* s2);
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extern Rune* _Strndup(Rune* s, int n);
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extern Rune* _Strnrclass(Rune* s, Rune* cl, int n);
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extern Rune* _Strrclass(Rune* s, Rune* cl);
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extern Rune* _Strsubstr(Rune* s, int start, int stop);
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extern long _Strtol(Rune* s, Rune** eptr, int base);
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extern void _trimwhite(Rune* s, int n, Rune** pans, int* panslen);
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extern Rune notwhitespace[];
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extern Rune whitespace[];
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// STRINTTAB
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typedef struct StringInt StringInt;
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// Element of String-Int table (used for keyword lookup)
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struct StringInt
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{
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Rune* key;
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int val;
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};
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extern int _lookup(StringInt* t, int n, Rune* key, int keylen, int* pans);
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extern StringInt* _makestrinttab(Rune** a, int n);
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extern Rune* _revlookup(StringInt* t, int n, int val);
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// Colors, in html format, not Plan 9 format. (RGB values in bottom 3 bytes)
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enum {
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White = 0xFFFFFF,
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Black = 0x000000,
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Blue = 0x0000CC,
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};
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// LEX
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// HTML 4.0 tags (plus blink, nobr)
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// sorted in lexical order; used as array indices
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enum {
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Notfound,
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Comment,
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Ta, Tabbr, Tacronym, Taddress, Tapplet, Tarea,
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Tb, Tbase, Tbasefont, Tbdo, Tbig, Tblink,
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Tblockquote, Tbody, Tbq, Tbr, Tbutton,
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Tcaption, Tcenter, Tcite, Tcode, Tcol, Tcolgroup,
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Tdd, Tdel, Tdfn, Tdir, Tdiv, Tdl, Tdt,
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Tem,
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Tfieldset, Tfont, Tform, Tframe, Tframeset,
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Th1, Th2, Th3, Th4, Th5, Th6,
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Thead, Thr, Thtml,
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Ti, Tiframe, Timg, Tinput, Tins, Tisindex,
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Tkbd,
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Tlabel, Tlegend, Tli, Tlink,
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Tmap, Tmenu, Tmeta,
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Tnobr, Tnoframes, Tnoscript,
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Tobject, Tol, Toptgroup, Toption,
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Tp, Tparam, Tpre,
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Tq,
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Ts, Tsamp, Tscript, Tselect, Tsmall,
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Tspan, Tstrike, Tstrong, Tstyle, Tsub, Tsup,
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Ttable, Ttbody, Ttd, Ttextarea, Ttfoot,
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Tth, Tthead, Ttitle, Ttr, Ttt,
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Tu, Tul,
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Tvar,
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Numtags,
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RBRA = Numtags,
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Data = Numtags+RBRA
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};
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// HTML 4.0 tag attributes
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// Keep sorted in lexical order
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enum {
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Aabbr, Aaccept_charset, Aaccess_key, Aaction,
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Aalign, Aalink, Aalt, Aarchive, Aaxis,
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Abackground, Abgcolor, Aborder,
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Acellpadding, Acellspacing, Achar, Acharoff,
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Acharset, Achecked, Acite, Aclass, Aclassid,
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Aclear, Acode, Acodebase, Acodetype, Acolor,
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Acols, Acolspan, Acompact, Acontent, Acoords,
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Adata, Adatetime, Adeclare, Adefer, Adir, Adisabled,
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Aenctype,
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Aface, Afor, Aframe, Aframeborder,
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Aheaders, Aheight, Ahref, Ahreflang, Ahspace, Ahttp_equiv,
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Aid, Aismap,
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Alabel, Alang, Alink, Alongdesc,
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Amarginheight, Amarginwidth, Amaxlength,
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Amedia, Amethod, Amultiple,
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Aname, Anohref, Anoresize, Anoshade, Anowrap,
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Aobject, Aonblur, Aonchange, Aonclick, Aondblclick,
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Aonfocus, Aonkeypress, Aonkeyup, Aonload,
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Aonmousedown, Aonmousemove, Aonmouseout,
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Aonmouseover, Aonmouseup, Aonreset, Aonselect,
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Aonsubmit, Aonunload,
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Aprofile, Aprompt,
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Areadonly, Arel, Arev, Arows, Arowspan, Arules,
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Ascheme, Ascope, Ascrolling, Aselected, Ashape,
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Asize, Aspan, Asrc, Astandby, Astart, Astyle, Asummary,
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Atabindex, Atarget, Atext, Atitle, Atype,
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Ausemap,
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Avalign, Avalue, Avaluetype, Aversion, Avlink, Avspace,
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Awidth,
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Numattrs
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};
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struct Attr
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{
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Attr* next; // in list of attrs for a token
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int attid; // Aabbr, etc.
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Rune* value;
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};
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struct Token
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{
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int tag; // Ta, etc
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Rune* text; // text in Data, attribute text in tag
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Attr* attr; // list of Attrs
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int starti; // index into source buffer of token start
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};
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extern Rune** tagnames;
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extern Rune** attrnames;
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extern void _freetokens(Token* tarray, int n);
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extern Token* _gettoks(uchar* data, int datalen, int chset, int mtype, int* plen);
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extern int _tokaval(Token* t, int attid, Rune** pans, int xfer);
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#pragma varargck type "T" Token*
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#include "runetab.h"
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