conf.h

   1 /* neatvi configuration file */
   2
   3 /* map file names to file types */
   4 static struct filetype {
   5         char *ft;               /* file type */
   6         char *pat;              /* file name pattern */
   7 } filetypes[] = {
   8         {"c", "\\.[hc]$"},
   9         {"roff", "\\.(ms|tr|roff|tmac|txt)$"},
  10         {"tex", "\\.tex$"},
  11         {"msg", "letter|mbox|mail"},
  12         {"mk", "Makefile|makefile|\\.mk$"},
  13         {"sh", "\\.sh$"},
  14 };
  15
  16 /* syntax highlighting patterns */
  17 static struct highlight {
  18         char *ft;               /* the filetype of this pattern */
  19         int att[16];            /* attributes of the matched groups */
  20         char *pat;              /* regular expression */
  21         int end;                /* the group ending this pattern */
  22 } highlights[] = {
  23         {"c", {5}, "\\<(signed|unsigned|char|short|int|long|float|double|void|struct|enum|union|typedef)\\>"},
  24         {"c", {5}, "\\<(static|extern|register)\\>"},
  25         {"c", {4}, "\\<(return|for|while|if|else|do|sizeof|goto|switch|case|default|break|continue)\\>"},
  26         {"c", {2 | SYN_IT}, "//.*$"},
  27         {"c", {2 | SYN_IT}, "/\\*([^*]|\\*[^/])*\\*/"},
  28         {"c", {6}, "^#[ \t]*[a-zA-Z0-9_]+"},
  29         {"c", {0, SYN_BD}, "([a-zA-Z][a-zA-Z0-9_]+)\\(", 1},
  30         {"c", {4}, "\"([^\"]|\\\\\")*\""},
  31         {"c", {4}, "'([^\\]|\\\\.)'"},
  32         {"c", {4}, "[-+]?\\<(0[xX][0-9a-fA-F]+|[0-9]+)\\>"},
  33
  34         {"roff", {4, 0, 5 | SYN_BD, 4 | SYN_BD, 5 | SYN_BD, 4 | SYN_BD},
  35                 "^[.'][ \t]*((SH.*)|(de) (.*)|([^ \t\\]{2,}))?.*$", 1},
  36         {"roff", {2 | SYN_IT}, "\\\\\".*$"},
  37         {"roff", {3}, "\\\\{1,2}[*$fgkmns]([^[(]|\\(..|\\[[^]]*\\])"},
  38         {"roff", {3}, "\\\\([^[(*$fgkmns]|\\(..|\\[[^]]*\\])"},
  39         {"roff", {3}, "\\$[^$]+\\$"},
  40
  41         {"tex", {4 | SYN_BD, 0, 3, 0, 5},
  42                 "\\\\[^[{ \t]+(\\[([^]]+)\\])?(\\{([^}]*)\\})?"},
  43         {"tex", {3}, "\\$[^$]+\\$"},
  44         {"tex", {2 | SYN_IT}, "%.*$"},
  45
  46         {"msg", {6 | SYN_BD}, "^From .*20..$"},
  47         {"msg", {6 | SYN_BD, 4 | SYN_BD}, "^Subject: (.*)$"},
  48         {"msg", {6 | SYN_BD, 2 | SYN_BD}, "^From: (.*)$"},
  49         {"msg", {6 | SYN_BD, 5 | SYN_BD}, "^To: (.*)$"},
  50         {"msg", {6 | SYN_BD, 5 | SYN_BD}, "^Cc: (.*)$"},
  51         {"msg", {6 | SYN_BD}, "^[A-Z][-A-Za-z]+: .+$"},
  52         {"msg", {2 | SYN_IT}, "^> .*$"},
  53
  54         {"mk", {0, 3}, "([A-Za-z_][A-Za-z0-9_]*)[ \t]*="},
  55         {"mk", {3}, "\\$\\([a-zA-Z0-9_]+\\)"},
  56         {"mk", {2 | SYN_IT}, "#.*$"},
  57         {"mk", {0, SYN_BD}, "([A-Za-z_%.]+):"},
  58
  59         {"sh", {2 | SYN_IT}, "#.*$"},
  60         {"sh", {4}, "\"([^\"]|\\\\\")*\""},
  61         {"sh", {4}, "\'[^\']*\'"},
  62 };
  63
  64 /* how to hightlight text in the reverse direction */
  65 #define SYN_REVDIR              (SYN_BGMK(255))
  66
  67 /* right-to-left characters (used only in dircontexts[] and dirmarks[]) */
  68 #define CR2L            "ءآأؤإئابةتثجحخدذرزسشصضطظعغـفقكلمنهوىييپچژکگی‌‍؛،»«؟ًٌٍَُِّْ"
  69 /* neutral characters (used only in dircontexts[] and dirmarks[]) */
  70 #define CNEUT           "-!\"#$%&'()*+,./:;<=>?@^_`{|}~ "
  71
  72 /* direction context patterns; specifies the direction of a whole line */
  73 static struct dircontext {
  74         int dir;
  75         char *pat;
  76 } dircontexts[] = {
  77         {-1, "^[" CR2L "]"},
  78         {+1, "^[a-zA-Z_0-9]"},
  79 };
  80
  81 /* direction marks; the direction of a few words in a line */
  82 static struct dirmark {
  83         int ctx;        /* the direction context for this mark; 0 means any */
  84         int dir;        /* the direction of the matched text */
  85         int grp;        /* the nested subgroup; 0 means no groups */
  86         char *pat;
  87 } dirmarks[] = {
  88         {+0, +1, 1, "\\\\\\*\\[([^]]+)\\]"},
  89         {+1, -1, 0, "[" CR2L "][" CNEUT CR2L "]*[" CR2L "]"},
  90         {-1, +1, 0, "[a-zA-Z0-9_][^" CR2L "\\\\`$']*[a-zA-Z0-9_]"},
  91         {+0, +1, 0, "\\$([^$]+)\\$"},
  92         {+0, +1, 1, "\\\\[a-zA-Z0-9_]+\\{([^}]+)\\}"},
  93         {-1, +1, 0, "\\\\[^ \t" CR2L "]+"},
  94 };
  95
  96 /* character placeholders */
  97 static struct placeholder {
  98         char *s;        /* the source character */
  99         char *d;        /* the placeholder */
 100         int wid;        /* the width of the placeholder */
 101 } placeholders[] = {
 102         {"‌", "-", 1},
 103         {"‍", "-", 1},
 104         {"ْ", "ـْ", 1},
 105         {"ٌ", "ـٌ", 1},
 106         {"ٍ", "ـٍ", 1},
 107         {"ً", "ـً", 1},
 108         {"ُ", "ـُ", 1},
 109         {"ِ", "ـِ", 1},
 110         {"َ", "ـَ", 1},
 111         {"ّ", "ـّ", 1},
 112 };