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]$"},                              /* C */
   9         {"roff", "\\.(ms|tr|roff|tmac|txt|[1-9])$"},    /* troff */
  10         {"tex", "\\.tex$"},                             /* tex */
  11         {"msg", "letter$|mbox$|mail$"},                 /* email */
  12         {"mk", "Makefile$|makefile$|\\.mk$"},           /* makefile */
  13         {"sh", "\\.sh$"},                               /* shell script */
  14         {"nm", "\\.nm$"},                               /* neatmail */
  15 };
  16
  17 /* syntax highlighting patterns */
  18 static struct highlight {
  19         char *ft;               /* the filetype of this pattern */
  20         int att[16];            /* attributes of the matched groups */
  21         char *pat;              /* regular expression */
  22         int end;                /* the group ending this pattern */
  23 } highlights[] = {
  24         {"c", {5}, "\\<(signed|unsigned|char|short|int|long|float|double|void|struct|enum|union|typedef)\\>"},
  25         {"c", {5}, "\\<(static|extern|register)\\>"},
  26         {"c", {4}, "\\<(return|for|while|if|else|do|sizeof|goto|switch|case|default|break|continue)\\>"},
  27         {"c", {2 | SYN_IT}, "//.*$"},
  28         {"c", {2 | SYN_IT}, "/\\*([^*]|\\*+[^*/])*\\*+/"},
  29         {"c", {6}, "^#[ \t]*[a-zA-Z0-9_]+"},
  30         {"c", {0, SYN_BD}, "([a-zA-Z][a-zA-Z0-9_]+)\\(", 1},
  31         {"c", {4}, "\"([^\"]|\\\\\")*\""},
  32         {"c", {4}, "'([^\\]|\\\\.)'"},
  33         {"c", {4}, "[-+]?\\<(0[xX][0-9a-fA-F]+|[0-9]+)\\>"},
  34
  35         {"roff", {4, 0, 5 | SYN_BD, 4 | SYN_BD, 5 | SYN_BD, 4 | SYN_BD},
  36                 "^[.'][ \t]*((SH.*)|(de) (.*)|([^ \t\\]{2,}))?.*$", 1},
  37         {"roff", {2 | SYN_IT}, "\\\\\".*$"},
  38         {"roff", {3}, "\\\\{1,2}[*$fgkmns]([^[(]|\\(..|\\[[^]]*\\])"},
  39         {"roff", {3}, "\\\\([^[(*$fgkmns]|\\(..|\\[[^]]*\\])"},
  40         {"roff", {3}, "\\$[^$]+\\$"},
  41
  42         {"tex", {4 | SYN_BD, 0, 3, 0, 5},
  43                 "\\\\[^[{ \t]+(\\[([^]]+)\\])?(\\{([^}]*)\\})?"},
  44         {"tex", {3}, "\\$[^$]+\\$"},
  45         {"tex", {2 | SYN_IT}, "%.*$"},
  46
  47         /* mail */
  48         {"msg", {6 | SYN_BD}, "^From .*20..$"},
  49         {"msg", {6 | SYN_BD, 4 | SYN_BD}, "^Subject: (.*)$"},
  50         {"msg", {6 | SYN_BD, 2 | SYN_BD}, "^From: (.*)$"},
  51         {"msg", {6 | SYN_BD, 5 | SYN_BD}, "^To: (.*)$"},
  52         {"msg", {6 | SYN_BD, 5 | SYN_BD}, "^Cc: (.*)$"},
  53         {"msg", {6 | SYN_BD}, "^[A-Z][-A-Za-z]+: .+$"},
  54         {"msg", {2 | SYN_IT}, "^> .*$"},
  55
  56         /* makefile */
  57         {"mk", {0, 3}, "([A-Za-z_][A-Za-z0-9_]*)[ \t]*="},
  58         {"mk", {3}, "\\$\\([a-zA-Z0-9_]+\\)"},
  59         {"mk", {2 | SYN_IT}, "#.*$"},
  60         {"mk", {0, SYN_BD}, "([A-Za-z_%.]+):"},
  61
  62         /* shell script */
  63         {"sh", {2 | SYN_IT}, "#.*$"},
  64         {"sh", {4}, "\"([^\"]|\\\\\")*\""},
  65         {"sh", {4}, "\'[^\']*\'"},
  66
  67         /* neatmail */
  68         {"nm", {0, 12 | SYN_BD, 12 | SYN_BD, 2, 8 | SYN_BD},
  69                 "^([ROU])([0-9]+)\t([^\t]*)\t([^\t]*)"},
  70         {"nm", {7}, "^[LJ].*$"},
  71         {"nm", {0 | SYN_BD | SYN_BGMK(13)}, "^[HT].*$"},
  72         {"nm", {0 | SYN_BD | SYN_BGMK(11)}, "^[MI].*$"},
  73         {"nm", {0 | SYN_BD | SYN_BGMK(12)}, "^[N].*$"},
  74         {"nm", {0 | SYN_BD | SYN_BGMK(10)}, "^[F].*$"},
  75         {"nm", {7 | SYN_IT}, "^\t.*$"},
  76         {"nm", {SYN_BD}, "^:.*$"},
  77
  78         /* status bar */
  79         {"---", {8 | SYN_BD, 4, 1}, "^(\".*\").*(\\[[wr]\\]).*$"},
  80         {"---", {8 | SYN_BD, 4, 4}, "^(\".*\").*(L[0-9]+) +(C[0-9]+).*$"},
  81         {"---", {8 | SYN_BD}, "^.*$"},
  82 };
  83
  84 /* how to hightlight text in the reverse direction */
  85 #define SYN_REVDIR              (SYN_BGMK(255))
  86
  87 /* right-to-left characters (used only in dircontexts[] and dirmarks[]) */
  88 #define CR2L            "ءآأؤإئابةتثجحخدذرزسشصضطظعغـفقكلمنهوىييپچژکگی‌‍؛،»«؟ًٌٍَُِّْ"
  89 /* neutral characters (used only in dircontexts[] and dirmarks[]) */
  90 #define CNEUT           "-!\"#$%&'()*+,./:;<=>?@^_`{|}~ "
  91
  92 /* direction context patterns; specifies the direction of a whole line */
  93 static struct dircontext {
  94         int dir;
  95         char *pat;
  96 } dircontexts[] = {
  97         {-1, "^[" CR2L "]"},
  98         {+1, "^[a-zA-Z_0-9]"},
  99 };
 100
 101 /* direction marks; the direction of a few words in a line */
 102 static struct dirmark {
 103         int ctx;        /* the direction context for this mark; 0 means any */
 104         int dir;        /* the direction of the matched text */
 105         int grp;        /* the nested subgroup; 0 means no groups */
 106         char *pat;
 107 } dirmarks[] = {
 108         {+0, +1, 1, "\\\\\\*\\[([^]]+)\\]"},
 109         {+1, -1, 0, "[" CR2L "][" CNEUT CR2L "]*[" CR2L "]"},
 110         {-1, +1, 0, "[a-zA-Z0-9_][^" CR2L "\\\\`$']*[a-zA-Z0-9_]"},
 111         {+0, +1, 0, "\\$([^$]+)\\$"},
 112         {+0, +1, 1, "\\\\[a-zA-Z0-9_]+\\{([^}]+)\\}"},
 113         {-1, +1, 0, "\\\\[^ \t" CR2L "]+"},
 114 };
 115
 116 /* character placeholders */
 117 static struct placeholder {
 118         char *s;        /* the source character */
 119         char *d;        /* the placeholder */
 120         int wid;        /* the width of the placeholder */
 121 } placeholders[] = {
 122         {"‌", "-", 1},
 123         {"‍", "-", 1},
 124 };