impl.h 4.5 KB

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  1. // UTILS
  2. typedef struct List List;
  3. typedef struct Strlist Strlist;
  4. // List of integers (and also generic list with next pointer at beginning)
  5. struct List
  6. {
  7. List* next;
  8. int val;
  9. };
  10. struct Strlist
  11. {
  12. Strlist* next;
  13. Rune* val;
  14. };
  15. extern int _inclass(Rune c, Rune* cl);
  16. extern int _listlen(List* l);
  17. extern List* _newlist(int val, List* rest);
  18. extern Rune* _newstr(int n);
  19. extern int _prefix(Rune* pre, Rune* s);
  20. extern List* _revlist(List* l);
  21. extern void _splitl(Rune* s, int n, Rune* cl, Rune** p1, int* n1, Rune** p2, int* n2);
  22. extern void _splitr(Rune* s, int n, Rune* cl, Rune** p1, int* n1, Rune** p2, int* n2);
  23. extern int _splitall(Rune* s, int n, Rune* cl, Rune** strarr, int* lenarr, int alen);
  24. extern Rune* _Stradd(Rune*s1, Rune* s2, int n);
  25. extern Rune* _Strclass(Rune* s, Rune* cl);
  26. extern int _Strcmp(Rune* s1, Rune* s2);
  27. extern Rune* _Strdup(Rune* s);
  28. extern Rune* _Strdup2(Rune* s, Rune* t);
  29. extern int _Streqn(Rune* s1, int n1, Rune* s2);
  30. extern int _Strlen(Rune* s);
  31. extern Rune* _Strnclass(Rune* s, Rune* cl, int n);
  32. extern int _Strncmpci(Rune* s1, int n1, Rune* s2);
  33. extern Rune* _Strndup(Rune* s, int n);
  34. extern Rune* _Strnrclass(Rune* s, Rune* cl, int n);
  35. extern Rune* _Strrclass(Rune* s, Rune* cl);
  36. extern Rune* _Strsubstr(Rune* s, int start, int stop);
  37. extern long _Strtol(Rune* s, Rune** eptr, int base);
  38. extern void _trimwhite(Rune* s, int n, Rune** pans, int* panslen);
  39. extern Rune* notwhitespace;
  40. extern Rune* whitespace;
  41. // STRINTTAB
  42. typedef struct StringInt StringInt;
  43. // Element of String-Int table (used for keyword lookup)
  44. struct StringInt
  45. {
  46. Rune* key;
  47. int val;
  48. };
  49. extern int _lookup(StringInt* t, int n, Rune* key, int keylen, int* pans);
  50. extern StringInt* _makestrinttab(Rune** a, int n);
  51. extern Rune* _revlookup(StringInt* t, int n, int val);
  52. // Colors, in html format, not Plan 9 format. (RGB values in bottom 3 bytes)
  53. enum {
  54. White = 0xFFFFFF,
  55. Black = 0x000000,
  56. Blue = 0x0000CC,
  57. };
  58. // LEX
  59. // HTML 4.0 tags (plus blink, nobr)
  60. // sorted in lexical order; used as array indices
  61. enum {
  62. Notfound,
  63. Comment,
  64. Ta, Tabbr, Tacronym, Taddress, Tapplet, Tarea,
  65. Tb, Tbase, Tbasefont, Tbdo, Tbig, Tblink,
  66. Tblockquote, Tbody, Tbq, Tbr, Tbutton,
  67. Tcaption, Tcenter, Tcite, Tcode, Tcol, Tcolgroup,
  68. Tdd, Tdel, Tdfn, Tdir, Tdiv, Tdl, Tdt,
  69. Tem,
  70. Tfieldset, Tfont, Tform, Tframe, Tframeset,
  71. Th1, Th2, Th3, Th4, Th5, Th6,
  72. Thead, Thr, Thtml,
  73. Ti, Tiframe, Timg, Tinput, Tins, Tisindex,
  74. Tkbd,
  75. Tlabel, Tlegend, Tli, Tlink,
  76. Tmap, Tmenu, Tmeta,
  77. Tnobr, Tnoframes, Tnoscript,
  78. Tobject, Tol, Toptgroup, Toption,
  79. Tp, Tparam, Tpre,
  80. Tq,
  81. Ts, Tsamp, Tscript, Tselect, Tsmall,
  82. Tspan, Tstrike, Tstrong, Tstyle, Tsub, Tsup,
  83. Ttable, Ttbody, Ttd, Ttextarea, Ttfoot,
  84. Tth, Tthead, Ttitle, Ttr, Ttt,
  85. Tu, Tul,
  86. Tvar,
  87. Numtags,
  88. RBRA = Numtags,
  89. Data = Numtags+RBRA
  90. };
  91. // HTML 4.0 tag attributes
  92. // Keep sorted in lexical order
  93. enum {
  94. Aabbr, Aaccept_charset, Aaccess_key, Aaction,
  95. Aalign, Aalink, Aalt, Aarchive, Aaxis,
  96. Abackground, Abgcolor, Aborder,
  97. Acellpadding, Acellspacing, Achar, Acharoff,
  98. Acharset, Achecked, Acite, Aclass, Aclassid,
  99. Aclear, Acode, Acodebase, Acodetype, Acolor,
  100. Acols, Acolspan, Acompact, Acontent, Acoords,
  101. Adata, Adatetime, Adeclare, Adefer, Adir, Adisabled,
  102. Aenctype,
  103. Aface, Afor, Aframe, Aframeborder,
  104. Aheaders, Aheight, Ahref, Ahreflang, Ahspace, Ahttp_equiv,
  105. Aid, Aismap,
  106. Alabel, Alang, Alink, Alongdesc,
  107. Amarginheight, Amarginwidth, Amaxlength,
  108. Amedia, Amethod, Amultiple,
  109. Aname, Anohref, Anoresize, Anoshade, Anowrap,
  110. Aobject, Aonblur, Aonchange, Aonclick, Aondblclick,
  111. Aonfocus, Aonkeypress, Aonkeyup, Aonload,
  112. Aonmousedown, Aonmousemove, Aonmouseout,
  113. Aonmouseover, Aonmouseup, Aonreset, Aonselect,
  114. Aonsubmit, Aonunload,
  115. Aprofile, Aprompt,
  116. Areadonly, Arel, Arev, Arows, Arowspan, Arules,
  117. Ascheme, Ascope, Ascrolling, Aselected, Ashape,
  118. Asize, Aspan, Asrc, Astandby, Astart, Astyle, Asummary,
  119. Atabindex, Atarget, Atext, Atitle, Atype,
  120. Ausemap,
  121. Avalign, Avalue, Avaluetype, Aversion, Avlink, Avspace,
  122. Awidth,
  123. Numattrs
  124. };
  125. struct Attr
  126. {
  127. Attr* next; // in list of attrs for a token
  128. int attid; // Aabbr, etc.
  129. Rune* value;
  130. };
  131. struct Token
  132. {
  133. int tag; // Ta, etc
  134. Rune* text; // text in Data, attribute text in tag
  135. Attr* attr; // list of Attrs
  136. int starti; // index into source buffer of token start
  137. };
  138. extern Rune* tagnames[];
  139. extern Rune* attrnames[];
  140. extern void _freetokens(Token* tarray, int n);
  141. extern Token* _gettoks(uchar* data, int datalen, int chset, int mtype, int* plen);
  142. extern int _tokaval(Token* t, int attid, Rune** pans, int xfer);
  143. #pragma varargck type "T" Token*