[7d4fbcd] | 1 | #include "owl.h" |
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| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | |
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[1aee7d9] | 5 | static const char fileIdent[] = "$Id$"; |
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| 6 | |
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[b2b0773] | 7 | /* initialize an fmtext with no data */ |
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[5789230] | 8 | void owl_fmtext_init_null(owl_fmtext *f) |
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| 9 | { |
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[7d4fbcd] | 10 | f->textlen=0; |
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[a387d12e] | 11 | f->bufflen=5; |
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| 12 | f->textbuff=owl_malloc(5); |
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[7d4fbcd] | 13 | f->fmbuff=owl_malloc(5); |
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[c2c5c77] | 14 | f->fgcolorbuff=owl_malloc(5 * sizeof(short)); |
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| 15 | f->bgcolorbuff=owl_malloc(5 * sizeof(short)); |
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[a387d12e] | 16 | f->textbuff[0]=0; |
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[7d4fbcd] | 17 | f->fmbuff[0]=OWL_FMTEXT_ATTR_NONE; |
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[8fa9562] | 18 | f->fgcolorbuff[0]=OWL_COLOR_DEFAULT; |
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| 19 | f->bgcolorbuff[0]=OWL_COLOR_DEFAULT; |
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[7d4fbcd] | 20 | } |
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| 21 | |
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[a387d12e] | 22 | /* Clear the data from an fmtext, but don't deallocate memory. This |
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| 23 | fmtext can then be appended to again. */ |
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| 24 | void owl_fmtext_clear(owl_fmtext *f) |
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| 25 | { |
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| 26 | f->textlen = 0; |
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| 27 | f->textbuff[0] = 0; |
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| 28 | f->fmbuff[0]=OWL_FMTEXT_ATTR_NONE; |
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| 29 | f->fgcolorbuff[0]=OWL_COLOR_DEFAULT; |
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| 30 | f->bgcolorbuff[0]=OWL_COLOR_DEFAULT; |
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| 31 | } |
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| 32 | |
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[b2b0773] | 33 | /* Internal function. Set the attribute 'attr' from index 'first' to |
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| 34 | * index 'last' |
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| 35 | */ |
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[5789230] | 36 | void _owl_fmtext_set_attr(owl_fmtext *f, int attr, int first, int last) |
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| 37 | { |
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[7d4fbcd] | 38 | int i; |
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| 39 | for (i=first; i<=last; i++) { |
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| 40 | f->fmbuff[i]=(unsigned char) attr; |
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| 41 | } |
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| 42 | } |
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| 43 | |
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[b2b0773] | 44 | /* Internal function. Add the attribute 'attr' to the existing |
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| 45 | * attributes from index 'first' to index 'last' |
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| 46 | */ |
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[5789230] | 47 | void _owl_fmtext_add_attr(owl_fmtext *f, int attr, int first, int last) |
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| 48 | { |
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[1fd0b25] | 49 | int i; |
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| 50 | for (i=first; i<=last; i++) { |
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| 51 | f->fmbuff[i]|=(unsigned char) attr; |
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| 52 | } |
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| 53 | } |
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| 54 | |
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[b2b0773] | 55 | /* Internal function. Set the color to be 'color' from index 'first' |
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| 56 | * to index 'last |
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| 57 | */ |
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[8fa9562] | 58 | void _owl_fmtext_set_fgcolor(owl_fmtext *f, int color, int first, int last) |
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[5789230] | 59 | { |
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[7d4fbcd] | 60 | int i; |
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| 61 | for (i=first; i<=last; i++) { |
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[c2c5c77] | 62 | f->fgcolorbuff[i]=(short)color; |
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[8fa9562] | 63 | } |
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| 64 | } |
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| 65 | |
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| 66 | void _owl_fmtext_set_bgcolor(owl_fmtext *f, int color, int first, int last) |
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| 67 | { |
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| 68 | int i; |
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| 69 | for (i=first; i<=last; i++) { |
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[c2c5c77] | 70 | f->bgcolorbuff[i]=(short)color; |
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[7d4fbcd] | 71 | } |
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| 72 | } |
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| 73 | |
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[a387d12e] | 74 | void _owl_fmtext_realloc(owl_fmtext *f, int newlen) /*noproto*/ |
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| 75 | { |
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| 76 | if(newlen + 1 > f->bufflen) { |
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| 77 | f->textbuff=owl_realloc(f->textbuff, newlen+1); |
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| 78 | f->fmbuff=owl_realloc(f->fmbuff, newlen+1); |
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[c2c5c77] | 79 | f->fgcolorbuff=owl_realloc(f->fgcolorbuff, (newlen+1) * sizeof(short)); |
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| 80 | f->bgcolorbuff=owl_realloc(f->bgcolorbuff, (newlen+1) * sizeof(short)); |
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[a387d12e] | 81 | f->bufflen = newlen+1; |
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| 82 | } |
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| 83 | } |
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| 84 | |
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[b2b0773] | 85 | /* append text to the end of 'f' with attribute 'attr' and color |
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| 86 | * 'color' |
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| 87 | */ |
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[8fa9562] | 88 | void owl_fmtext_append_attr(owl_fmtext *f, char *text, int attr, int fgcolor, int bgcolor) |
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[5789230] | 89 | { |
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[7d4fbcd] | 90 | int newlen; |
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| 91 | newlen=strlen(f->textbuff)+strlen(text); |
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[a387d12e] | 92 | _owl_fmtext_realloc(f, newlen); |
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| 93 | |
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[7d4fbcd] | 94 | strcat(f->textbuff, text); |
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| 95 | _owl_fmtext_set_attr(f, attr, f->textlen, newlen); |
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[8fa9562] | 96 | _owl_fmtext_set_fgcolor(f, fgcolor, f->textlen, newlen); |
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| 97 | _owl_fmtext_set_bgcolor(f, bgcolor, f->textlen, newlen); |
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[7d4fbcd] | 98 | f->textlen=newlen; |
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| 99 | } |
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| 100 | |
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[b2b0773] | 101 | /* Append normal, uncolored text 'text' to 'f' */ |
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[5789230] | 102 | void owl_fmtext_append_normal(owl_fmtext *f, char *text) |
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| 103 | { |
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[8fa9562] | 104 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 105 | } |
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| 106 | |
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[b2b0773] | 107 | /* Append normal text 'text' to 'f' with color 'color' */ |
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[8fa9562] | 108 | void owl_fmtext_append_normal_color(owl_fmtext *f, char *text, int fgcolor, int bgcolor) |
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[5789230] | 109 | { |
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[8fa9562] | 110 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, fgcolor, bgcolor); |
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[7d4fbcd] | 111 | } |
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| 112 | |
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[b2b0773] | 113 | /* Append bold text 'text' to 'f' */ |
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[5789230] | 114 | void owl_fmtext_append_bold(owl_fmtext *f, char *text) |
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| 115 | { |
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[8fa9562] | 116 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 117 | } |
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| 118 | |
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[b2b0773] | 119 | /* Append reverse video text 'text' to 'f' */ |
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[5789230] | 120 | void owl_fmtext_append_reverse(owl_fmtext *f, char *text) |
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| 121 | { |
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[8fa9562] | 122 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 123 | } |
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| 124 | |
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[b2b0773] | 125 | /* Append reversed and bold, uncolored text 'text' to 'f' */ |
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[5789230] | 126 | void owl_fmtext_append_reversebold(owl_fmtext *f, char *text) |
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| 127 | { |
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[8fa9562] | 128 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE | OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 129 | } |
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| 130 | |
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[b2b0773] | 131 | /* Add the attribute 'attr' to all text in 'f' */ |
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[5789230] | 132 | void owl_fmtext_addattr(owl_fmtext *f, int attr) |
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| 133 | { |
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[7d4fbcd] | 134 | /* add the attribute to all text */ |
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| 135 | int i, j; |
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| 136 | |
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| 137 | j=f->textlen; |
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| 138 | for (i=0; i<j; i++) { |
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| 139 | f->fmbuff[i] |= attr; |
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| 140 | } |
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| 141 | } |
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| 142 | |
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[b2b0773] | 143 | /* Anywhere the color is NOT ALREDY SET, set the color to 'color'. |
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| 144 | * Other colors are left unchanged |
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| 145 | */ |
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[5789230] | 146 | void owl_fmtext_colorize(owl_fmtext *f, int color) |
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| 147 | { |
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[8fa9562] | 148 | /* everywhere the fgcolor is OWL_COLOR_DEFAULT, change it to be 'color' */ |
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| 149 | int i, j; |
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| 150 | |
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| 151 | j=f->textlen; |
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| 152 | for(i=0; i<j; i++) { |
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[c2c5c77] | 153 | if (f->fgcolorbuff[i]==OWL_COLOR_DEFAULT) f->fgcolorbuff[i] = (short)color; |
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[8fa9562] | 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | void owl_fmtext_colorizebg(owl_fmtext *f, int color) |
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| 158 | { |
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| 159 | /* everywhere the bgcolor is OWL_COLOR_DEFAULT, change it to be 'color' */ |
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[7d4fbcd] | 160 | int i, j; |
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| 161 | |
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| 162 | j=f->textlen; |
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| 163 | for(i=0; i<j; i++) { |
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[c2c5c77] | 164 | if (f->bgcolorbuff[i]==OWL_COLOR_DEFAULT) f->bgcolorbuff[i] = (short)color; |
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[7d4fbcd] | 165 | } |
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| 166 | } |
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| 167 | |
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[b2b0773] | 168 | /* Internal function. Append text from 'in' between index 'start' and |
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| 169 | * 'stop' to the end of 'f' |
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| 170 | */ |
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[5789230] | 171 | void _owl_fmtext_append_fmtext(owl_fmtext *f, owl_fmtext *in, int start, int stop) |
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| 172 | { |
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[7d4fbcd] | 173 | int newlen, i; |
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| 174 | |
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| 175 | newlen=strlen(f->textbuff)+(stop-start+1); |
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[a387d12e] | 176 | _owl_fmtext_realloc(f, newlen); |
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[7d4fbcd] | 177 | |
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| 178 | strncat(f->textbuff, in->textbuff+start, stop-start+1); |
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| 179 | f->textbuff[newlen]='\0'; |
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| 180 | for (i=start; i<=stop; i++) { |
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| 181 | f->fmbuff[f->textlen+(i-start)]=in->fmbuff[i]; |
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[8fa9562] | 182 | f->fgcolorbuff[f->textlen+(i-start)]=in->fgcolorbuff[i]; |
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| 183 | f->bgcolorbuff[f->textlen+(i-start)]=in->bgcolorbuff[i]; |
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[7d4fbcd] | 184 | } |
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| 185 | f->textlen=newlen; |
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| 186 | } |
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| 187 | |
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[b2b0773] | 188 | /* append fmtext 'in' to 'f' */ |
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[5789230] | 189 | void owl_fmtext_append_fmtext(owl_fmtext *f, owl_fmtext *in) |
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| 190 | { |
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| 191 | _owl_fmtext_append_fmtext(f, in, 0, in->textlen); |
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| 192 | |
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| 193 | } |
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| 194 | |
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[b2b0773] | 195 | /* Append 'nspaces' number of spaces to the end of 'f' */ |
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[5789230] | 196 | void owl_fmtext_append_spaces(owl_fmtext *f, int nspaces) |
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| 197 | { |
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[7d4fbcd] | 198 | int i; |
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| 199 | for (i=0; i<nspaces; i++) { |
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| 200 | owl_fmtext_append_normal(f, " "); |
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| 201 | } |
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| 202 | } |
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| 203 | |
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[b2b0773] | 204 | /* Return a plain version of the fmtext. Caller is responsible for |
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| 205 | * freeing the return |
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| 206 | */ |
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[5789230] | 207 | char *owl_fmtext_print_plain(owl_fmtext *f) |
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| 208 | { |
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[b2b0773] | 209 | return(owl_strdup(f->textbuff)); |
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[e1c4636] | 210 | } |
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| 211 | |
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[b2b0773] | 212 | /* add the formatted text to the curses window 'w'. The window 'w' |
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| 213 | * must already be initiatlized with curses |
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| 214 | */ |
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[5789230] | 215 | void owl_fmtext_curs_waddstr(owl_fmtext *f, WINDOW *w) |
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| 216 | { |
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[7d4fbcd] | 217 | char *tmpbuff; |
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[8fa9562] | 218 | int position, trans1, trans2, trans3, len, lastsame; |
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[7d4fbcd] | 219 | |
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[f2f9314] | 220 | if (w==NULL) { |
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| 221 | owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr."); |
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| 222 | return; |
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| 223 | } |
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| 224 | |
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[7d4fbcd] | 225 | tmpbuff=owl_malloc(f->textlen+10); |
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| 226 | |
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| 227 | position=0; |
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| 228 | len=f->textlen; |
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| 229 | while (position<=len) { |
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| 230 | /* find the last char with the current format and color */ |
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| 231 | trans1=owl_util_find_trans(f->fmbuff+position, len-position); |
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[c2c5c77] | 232 | trans2=owl_util_find_trans_short(f->fgcolorbuff+position, len-position); |
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| 233 | trans3=owl_util_find_trans_short(f->bgcolorbuff+position, len-position); |
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[7d4fbcd] | 234 | |
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[8fa9562] | 235 | lastsame = (trans1 < trans2) ? trans1 : trans2; |
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| 236 | lastsame = (lastsame < trans3) ? lastsame : trans3; |
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| 237 | lastsame += position; |
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[7d4fbcd] | 238 | |
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| 239 | /* set the format */ |
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| 240 | wattrset(w, A_NORMAL); |
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| 241 | if (f->fmbuff[position] & OWL_FMTEXT_ATTR_BOLD) { |
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| 242 | wattron(w, A_BOLD); |
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| 243 | } |
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| 244 | if (f->fmbuff[position] & OWL_FMTEXT_ATTR_REVERSE) { |
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| 245 | wattron(w, A_REVERSE); |
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| 246 | } |
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| 247 | if (f->fmbuff[position] & OWL_FMTEXT_ATTR_UNDERLINE) { |
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| 248 | wattron(w, A_UNDERLINE); |
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| 249 | } |
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| 250 | |
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| 251 | /* set the color */ |
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| 252 | /* warning, this is sort of a hack */ |
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| 253 | if (owl_global_get_hascolors(&g)) { |
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[c2c5c77] | 254 | short fg, bg, pair; |
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[8fa9562] | 255 | fg = f->fgcolorbuff[position]; |
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| 256 | bg = f->bgcolorbuff[position]; |
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| 257 | |
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| 258 | pair = owl_fmtext_get_colorpair(fg, bg); |
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| 259 | if (pair != -1) { |
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[c2c5c77] | 260 | wcolor_set(w,pair,NULL); |
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[7d4fbcd] | 261 | } |
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| 262 | } |
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| 263 | |
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| 264 | /* add the text */ |
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| 265 | strncpy(tmpbuff, f->textbuff + position, lastsame-position+1); |
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| 266 | tmpbuff[lastsame-position+1]='\0'; |
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| 267 | waddstr(w, tmpbuff); |
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| 268 | |
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| 269 | position=lastsame+1; |
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| 270 | } |
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| 271 | owl_free(tmpbuff); |
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| 272 | } |
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| 273 | |
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| 274 | |
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[b2b0773] | 275 | /* start with line 'aline' (where the first line is 0) and print |
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| 276 | * 'lines' number of lines into 'out' |
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| 277 | */ |
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[5789230] | 278 | int owl_fmtext_truncate_lines(owl_fmtext *in, int aline, int lines, owl_fmtext *out) |
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| 279 | { |
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[7d4fbcd] | 280 | char *ptr1, *ptr2; |
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| 281 | int i, offset; |
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| 282 | |
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| 283 | /* find the starting line */ |
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| 284 | ptr1=in->textbuff; |
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| 285 | if (aline!=0) { |
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| 286 | for (i=0; i<aline; i++) { |
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| 287 | ptr1=strchr(ptr1, '\n'); |
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| 288 | if (!ptr1) return(-1); |
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| 289 | ptr1++; |
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| 290 | } |
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| 291 | } |
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| 292 | /* ptr1 now holds the starting point */ |
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| 293 | |
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| 294 | /* copy in the next 'lines' lines */ |
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| 295 | if (lines<1) return(-1); |
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| 296 | |
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| 297 | for (i=0; i<lines; i++) { |
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| 298 | offset=ptr1-in->textbuff; |
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[bd3f232] | 299 | ptr2=strchr(ptr1, '\n'); |
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[7d4fbcd] | 300 | if (!ptr2) { |
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[b2b0773] | 301 | _owl_fmtext_append_fmtext(out, in, offset, (in->textlen)-1); |
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[7d4fbcd] | 302 | return(-1); |
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| 303 | } |
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[5789230] | 304 | _owl_fmtext_append_fmtext(out, in, offset, (ptr2-ptr1)+offset); |
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[7d4fbcd] | 305 | ptr1=ptr2+1; |
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| 306 | } |
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| 307 | return(0); |
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| 308 | } |
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| 309 | |
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[b2b0773] | 310 | /* Truncate the message so that each line begins at column 'acol' and |
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| 311 | * ends at 'bcol' or sooner. The first column is number 0. The new |
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| 312 | * message is placed in 'out'. The message is * expected to end in a |
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| 313 | * new line for now |
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| 314 | */ |
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[5789230] | 315 | void owl_fmtext_truncate_cols(owl_fmtext *in, int acol, int bcol, owl_fmtext *out) |
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| 316 | { |
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[7d4fbcd] | 317 | char *ptr1, *ptr2, *last; |
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| 318 | int len, offset; |
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| 319 | |
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| 320 | last=in->textbuff+in->textlen-1; |
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| 321 | ptr1=in->textbuff; |
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| 322 | while (ptr1<=last) { |
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| 323 | ptr2=strchr(ptr1, '\n'); |
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| 324 | if (!ptr2) { |
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| 325 | /* but this shouldn't happen if we end in a \n */ |
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| 326 | break; |
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| 327 | } |
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| 328 | |
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| 329 | if (ptr2==ptr1) { |
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| 330 | owl_fmtext_append_normal(out, "\n"); |
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| 331 | ptr1++; |
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| 332 | continue; |
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| 333 | } |
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| 334 | |
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| 335 | /* we need to check that we won't run over here */ |
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| 336 | len=bcol-acol; |
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| 337 | if (len > (ptr2-(ptr1+acol))) { |
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[d559df9] | 338 | /* the whole line fits with room to spare, don't take a full 'len' */ |
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[7d4fbcd] | 339 | len=ptr2-(ptr1+acol); |
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| 340 | } |
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| 341 | if (len>last-ptr1) { |
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[d559df9] | 342 | /* the whole rest of the text fits with room to spare, adjust for it */ |
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[7d4fbcd] | 343 | len-=(last-ptr1); |
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| 344 | } |
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| 345 | if (len<=0) { |
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[d559df9] | 346 | /* saftey check */ |
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[7d4fbcd] | 347 | owl_fmtext_append_normal(out, "\n"); |
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| 348 | ptr1=ptr2+1; |
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| 349 | continue; |
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| 350 | } |
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| 351 | |
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| 352 | offset=ptr1-in->textbuff; |
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[5789230] | 353 | _owl_fmtext_append_fmtext(out, in, offset+acol, offset+acol+len); |
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[7d4fbcd] | 354 | |
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| 355 | ptr1=ptr2+1; |
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| 356 | } |
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| 357 | } |
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| 358 | |
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[b2b0773] | 359 | /* Return the number of lines in 'f' */ |
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[5789230] | 360 | int owl_fmtext_num_lines(owl_fmtext *f) |
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| 361 | { |
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[7d4fbcd] | 362 | int lines, i; |
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| 363 | |
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[af2ca19] | 364 | if (f->textlen==0) return(0); |
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| 365 | |
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[7d4fbcd] | 366 | lines=0; |
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[af2ca19] | 367 | for (i=0; i<f->textlen; i++) { |
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[7d4fbcd] | 368 | if (f->textbuff[i]=='\n') lines++; |
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| 369 | } |
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| 370 | |
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| 371 | /* if the last char wasn't a \n there's one more line */ |
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| 372 | if (f->textbuff[i-1]!='\n') lines++; |
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| 373 | |
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| 374 | return(lines); |
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| 375 | } |
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| 376 | |
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[5789230] | 377 | char *owl_fmtext_get_text(owl_fmtext *f) |
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| 378 | { |
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[7d4fbcd] | 379 | return(f->textbuff); |
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| 380 | } |
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| 381 | |
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[a0a5179] | 382 | /* set the charater at 'index' to be 'char'. If index is out of |
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| 383 | * bounds don't do anything */ |
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[5789230] | 384 | void owl_fmtext_set_char(owl_fmtext *f, int index, int ch) |
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| 385 | { |
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[4b464a4] | 386 | if ((index < 0) || (index > f->textlen-1)) return; |
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| 387 | f->textbuff[index]=ch; |
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| 388 | } |
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| 389 | |
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[b2b0773] | 390 | /* Make a copy of the fmtext 'src' into 'dst' */ |
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[5789230] | 391 | void owl_fmtext_copy(owl_fmtext *dst, owl_fmtext *src) |
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| 392 | { |
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[b2b0773] | 393 | int mallocsize; |
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| 394 | |
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| 395 | if (src->textlen==0) { |
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| 396 | mallocsize=5; |
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| 397 | } else { |
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| 398 | mallocsize=src->textlen+2; |
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| 399 | } |
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[7d4fbcd] | 400 | dst->textlen=src->textlen; |
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[bd3f232] | 401 | dst->textbuff=owl_malloc(mallocsize); |
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[b2b0773] | 402 | dst->fmbuff=owl_malloc(mallocsize); |
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[c2c5c77] | 403 | dst->fgcolorbuff=owl_malloc(mallocsize * sizeof(short)); |
---|
| 404 | dst->bgcolorbuff=owl_malloc(mallocsize * sizeof(short)); |
---|
[6bf73ce] | 405 | memcpy(dst->textbuff, src->textbuff, src->textlen+1); |
---|
[7d4fbcd] | 406 | memcpy(dst->fmbuff, src->fmbuff, src->textlen); |
---|
[c2c5c77] | 407 | memcpy(dst->fgcolorbuff, src->fgcolorbuff, src->textlen * sizeof(short)); |
---|
| 408 | memcpy(dst->bgcolorbuff, src->bgcolorbuff, src->textlen * sizeof(short)); |
---|
[7d4fbcd] | 409 | } |
---|
[1fd0b25] | 410 | |
---|
[12c35df] | 411 | /* highlight all instances of "string". Return the number of |
---|
[b2b0773] | 412 | * instances found. This is a case insensitive search. |
---|
[5789230] | 413 | */ |
---|
| 414 | int owl_fmtext_search_and_highlight(owl_fmtext *f, char *string) |
---|
| 415 | { |
---|
[1fd0b25] | 416 | |
---|
| 417 | int found, len; |
---|
| 418 | char *ptr1, *ptr2; |
---|
| 419 | |
---|
| 420 | len=strlen(string); |
---|
| 421 | found=0; |
---|
| 422 | ptr1=f->textbuff; |
---|
| 423 | while (ptr1-f->textbuff <= f->textlen) { |
---|
| 424 | ptr2=stristr(ptr1, string); |
---|
| 425 | if (!ptr2) return(found); |
---|
| 426 | |
---|
| 427 | found++; |
---|
| 428 | _owl_fmtext_add_attr(f, OWL_FMTEXT_ATTR_REVERSE, |
---|
[1bdffcb] | 429 | ptr2 - f->textbuff, |
---|
| 430 | ptr2 - f->textbuff + len - 1); |
---|
[1fd0b25] | 431 | |
---|
| 432 | ptr1=ptr2+len; |
---|
| 433 | } |
---|
| 434 | return(found); |
---|
| 435 | } |
---|
| 436 | |
---|
[b2b0773] | 437 | /* return 1 if the string is found, 0 if not. This is a case |
---|
| 438 | * insensitive search. |
---|
[5789230] | 439 | */ |
---|
| 440 | int owl_fmtext_search(owl_fmtext *f, char *string) |
---|
| 441 | { |
---|
[1fd0b25] | 442 | |
---|
| 443 | if (stristr(f->textbuff, string)) return(1); |
---|
| 444 | return(0); |
---|
| 445 | } |
---|
[12c35df] | 446 | |
---|
| 447 | |
---|
| 448 | /* Append the text 'text' to 'f' and interpret the zephyr style |
---|
| 449 | * formatting syntax to set appropriate attributes. |
---|
| 450 | */ |
---|
| 451 | void owl_fmtext_append_ztext(owl_fmtext *f, char *text) |
---|
| 452 | { |
---|
| 453 | int stacksize, curattrs, curcolor; |
---|
| 454 | char *ptr, *txtptr, *buff, *tmpptr; |
---|
[d754b0a] | 455 | int attrstack[32], chrstack[32], colorstack[32]; |
---|
[12c35df] | 456 | |
---|
| 457 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
| 458 | curcolor=OWL_COLOR_DEFAULT; |
---|
| 459 | stacksize=0; |
---|
| 460 | txtptr=text; |
---|
| 461 | while (1) { |
---|
| 462 | ptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 463 | if (!ptr) { |
---|
| 464 | /* add all the rest of the text and exit */ |
---|
[8fa9562] | 465 | owl_fmtext_append_attr(f, txtptr, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 466 | return; |
---|
| 467 | } else if (ptr[0]=='@') { |
---|
| 468 | /* add the text up to this point then deal with the stack */ |
---|
| 469 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 470 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 471 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 472 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 473 | owl_free(buff); |
---|
| 474 | |
---|
| 475 | /* update pointer to point at the @ */ |
---|
| 476 | txtptr=ptr; |
---|
| 477 | |
---|
| 478 | /* now the stack */ |
---|
| 479 | |
---|
| 480 | /* if we've hit our max stack depth, print the @ and move on */ |
---|
| 481 | if (stacksize==32) { |
---|
[1bdffcb] | 482 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 483 | txtptr++; |
---|
| 484 | continue; |
---|
[12c35df] | 485 | } |
---|
| 486 | |
---|
| 487 | /* if it's an @@, print an @ and continue */ |
---|
| 488 | if (txtptr[1]=='@') { |
---|
[1bdffcb] | 489 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 490 | txtptr+=2; |
---|
| 491 | continue; |
---|
[12c35df] | 492 | } |
---|
[1bdffcb] | 493 | |
---|
[12c35df] | 494 | /* if there's no opener, print the @ and continue */ |
---|
| 495 | tmpptr=strpbrk(txtptr, "(<[{ "); |
---|
| 496 | if (!tmpptr || tmpptr[0]==' ') { |
---|
[1bdffcb] | 497 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 498 | txtptr++; |
---|
| 499 | continue; |
---|
[12c35df] | 500 | } |
---|
| 501 | |
---|
| 502 | /* check what command we've got, push it on the stack, start |
---|
[1bdffcb] | 503 | using it, and continue ... unless it's a color command */ |
---|
[12c35df] | 504 | buff=owl_malloc(tmpptr-ptr+20); |
---|
| 505 | strncpy(buff, ptr, tmpptr-ptr); |
---|
| 506 | buff[tmpptr-ptr]='\0'; |
---|
| 507 | if (!strcasecmp(buff, "@bold")) { |
---|
[1bdffcb] | 508 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 509 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 510 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 511 | stacksize++; |
---|
| 512 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 513 | txtptr+=6; |
---|
| 514 | owl_free(buff); |
---|
| 515 | continue; |
---|
[12c35df] | 516 | } else if (!strcasecmp(buff, "@b")) { |
---|
[1bdffcb] | 517 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 518 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 519 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 520 | stacksize++; |
---|
| 521 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 522 | txtptr+=3; |
---|
| 523 | owl_free(buff); |
---|
| 524 | continue; |
---|
[12c35df] | 525 | } else if (!strcasecmp(buff, "@i")) { |
---|
[1bdffcb] | 526 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 527 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 528 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 529 | stacksize++; |
---|
| 530 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 531 | txtptr+=3; |
---|
| 532 | owl_free(buff); |
---|
| 533 | continue; |
---|
[12c35df] | 534 | } else if (!strcasecmp(buff, "@italic")) { |
---|
[1bdffcb] | 535 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 536 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 537 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 538 | stacksize++; |
---|
| 539 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 540 | txtptr+=8; |
---|
| 541 | owl_free(buff); |
---|
| 542 | continue; |
---|
[d754b0a] | 543 | } else if (!strcasecmp(buff, "@")) { |
---|
| 544 | attrstack[stacksize]=OWL_FMTEXT_ATTR_NONE; |
---|
| 545 | chrstack[stacksize]=tmpptr[0]; |
---|
| 546 | colorstack[stacksize]=curcolor; |
---|
| 547 | stacksize++; |
---|
| 548 | txtptr+=2; |
---|
| 549 | owl_free(buff); |
---|
| 550 | continue; |
---|
[1bdffcb] | 551 | |
---|
| 552 | /* if it's a color read the color, set the current color and |
---|
[12c35df] | 553 | continue */ |
---|
| 554 | } else if (!strcasecmp(buff, "@color") |
---|
[1bdffcb] | 555 | && owl_global_get_hascolors(&g) |
---|
| 556 | && owl_global_is_colorztext(&g)) { |
---|
| 557 | owl_free(buff); |
---|
| 558 | txtptr+=7; |
---|
| 559 | tmpptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 560 | if (tmpptr && |
---|
| 561 | ((txtptr[-1]=='(' && tmpptr[0]==')') || |
---|
| 562 | (txtptr[-1]=='<' && tmpptr[0]=='>') || |
---|
| 563 | (txtptr[-1]=='[' && tmpptr[0]==']') || |
---|
| 564 | (txtptr[-1]=='{' && tmpptr[0]=='}'))) { |
---|
| 565 | |
---|
| 566 | /* grab the color name */ |
---|
| 567 | buff=owl_malloc(tmpptr-txtptr+20); |
---|
| 568 | strncpy(buff, txtptr, tmpptr-txtptr); |
---|
| 569 | buff[tmpptr-txtptr]='\0'; |
---|
| 570 | |
---|
| 571 | /* set it as the current color */ |
---|
| 572 | curcolor=owl_util_string_to_color(buff); |
---|
| 573 | if (curcolor==-1) curcolor=OWL_COLOR_DEFAULT; |
---|
| 574 | owl_free(buff); |
---|
| 575 | txtptr=tmpptr+1; |
---|
| 576 | continue; |
---|
| 577 | |
---|
| 578 | } else { |
---|
| 579 | |
---|
| 580 | } |
---|
[12c35df] | 581 | |
---|
| 582 | } else { |
---|
[1bdffcb] | 583 | /* if we didn't understand it, we'll print it. This is different from zwgc |
---|
| 584 | * but zwgc seems to be smarter about some screw cases than I am |
---|
| 585 | */ |
---|
| 586 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 587 | txtptr++; |
---|
| 588 | continue; |
---|
[12c35df] | 589 | } |
---|
| 590 | |
---|
| 591 | } else if (ptr[0]=='}' || ptr[0]==']' || ptr[0]==')' || ptr[0]=='>') { |
---|
| 592 | /* add the text up to this point first */ |
---|
| 593 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 594 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 595 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 596 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 597 | owl_free(buff); |
---|
| 598 | |
---|
| 599 | /* now deal with the closer */ |
---|
| 600 | txtptr=ptr; |
---|
| 601 | |
---|
| 602 | /* first, if the stack is empty we must bail (just print and go) */ |
---|
| 603 | if (stacksize==0) { |
---|
[1bdffcb] | 604 | buff=owl_malloc(5); |
---|
| 605 | buff[0]=ptr[0]; |
---|
| 606 | buff[1]='\0'; |
---|
| 607 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 608 | owl_free(buff); |
---|
| 609 | txtptr++; |
---|
| 610 | continue; |
---|
[12c35df] | 611 | } |
---|
| 612 | |
---|
| 613 | /* if the closing char is what's on the stack, turn off the |
---|
| 614 | attribue and pop the stack */ |
---|
| 615 | if ((ptr[0]==')' && chrstack[stacksize-1]=='(') || |
---|
[1bdffcb] | 616 | (ptr[0]=='>' && chrstack[stacksize-1]=='<') || |
---|
| 617 | (ptr[0]==']' && chrstack[stacksize-1]=='[') || |
---|
| 618 | (ptr[0]=='}' && chrstack[stacksize-1]=='{')) { |
---|
| 619 | int i; |
---|
| 620 | stacksize--; |
---|
| 621 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
[d754b0a] | 622 | curcolor = colorstack[stacksize]; |
---|
[1bdffcb] | 623 | for (i=0; i<stacksize; i++) { |
---|
| 624 | curattrs|=attrstack[i]; |
---|
| 625 | } |
---|
| 626 | txtptr+=1; |
---|
| 627 | continue; |
---|
[12c35df] | 628 | } else { |
---|
[1bdffcb] | 629 | /* otherwise print and continue */ |
---|
| 630 | buff=owl_malloc(5); |
---|
| 631 | buff[0]=ptr[0]; |
---|
| 632 | buff[1]='\0'; |
---|
| 633 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 634 | owl_free(buff); |
---|
| 635 | txtptr++; |
---|
| 636 | continue; |
---|
[12c35df] | 637 | } |
---|
| 638 | } else { |
---|
| 639 | /* we've found an unattached opener, print everything and move on */ |
---|
| 640 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 641 | strncpy(buff, txtptr, ptr-txtptr+1); |
---|
| 642 | buff[ptr-txtptr+1]='\0'; |
---|
[8fa9562] | 643 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 644 | owl_free(buff); |
---|
| 645 | txtptr=ptr+1; |
---|
| 646 | continue; |
---|
| 647 | } |
---|
| 648 | } |
---|
| 649 | } |
---|
[a0a5179] | 650 | |
---|
| 651 | /* requires that the list values are strings or NULL. |
---|
| 652 | * joins the elements together with join_with. |
---|
| 653 | * If format_fn is specified, passes it the list element value |
---|
| 654 | * and it will return a string which this needs to free. */ |
---|
| 655 | void owl_fmtext_append_list(owl_fmtext *f, owl_list *l, char *join_with, char *(format_fn)(void*)) |
---|
| 656 | { |
---|
| 657 | int i, size; |
---|
| 658 | void *elem; |
---|
| 659 | char *text; |
---|
| 660 | |
---|
| 661 | size = owl_list_get_size(l); |
---|
| 662 | for (i=0; i<size; i++) { |
---|
| 663 | elem = (char*)owl_list_get_element(l,i); |
---|
| 664 | if (elem && format_fn) { |
---|
| 665 | text = format_fn(elem); |
---|
| 666 | if (text) { |
---|
[1bdffcb] | 667 | owl_fmtext_append_normal(f, text); |
---|
| 668 | owl_free(text); |
---|
[a0a5179] | 669 | } |
---|
| 670 | } else if (elem) { |
---|
| 671 | owl_fmtext_append_normal(f, elem); |
---|
| 672 | } |
---|
| 673 | if ((i < size-1) && join_with) { |
---|
| 674 | owl_fmtext_append_normal(f, join_with); |
---|
| 675 | } |
---|
| 676 | } |
---|
| 677 | } |
---|
| 678 | |
---|
| 679 | /* Free all memory allocated by the object */ |
---|
| 680 | void owl_fmtext_free(owl_fmtext *f) |
---|
| 681 | { |
---|
| 682 | if (f->textbuff) owl_free(f->textbuff); |
---|
| 683 | if (f->fmbuff) owl_free(f->fmbuff); |
---|
[8fa9562] | 684 | if (f->fgcolorbuff) owl_free(f->fgcolorbuff); |
---|
| 685 | if (f->bgcolorbuff) owl_free(f->bgcolorbuff); |
---|
| 686 | } |
---|
| 687 | |
---|
| 688 | /*** Color Pair manager ***/ |
---|
| 689 | void owl_fmtext_init_colorpair_mgr(owl_colorpair_mgr *cpmgr) |
---|
| 690 | { |
---|
| 691 | // This could be a bitarray if we wanted to save memory. |
---|
[c2c5c77] | 692 | short i, j; |
---|
| 693 | cpmgr->next = 8; |
---|
| 694 | |
---|
| 695 | // The test is <= because we allocate COLORS+1 entries. |
---|
| 696 | cpmgr->pairs = owl_malloc((COLORS+1) * sizeof(short*)); |
---|
| 697 | for(i = 0; i <= COLORS; i++) { |
---|
| 698 | cpmgr->pairs[i] = owl_malloc((COLORS+1) * sizeof(short)); |
---|
| 699 | for(j = 0; j <= COLORS; j++) { |
---|
[8fa9562] | 700 | cpmgr->pairs[i][j] = -1; |
---|
| 701 | } |
---|
| 702 | } |
---|
[fa3290d] | 703 | if (owl_global_get_hascolors(&g)) { |
---|
| 704 | for(i = 0; i < 8; i++) { |
---|
| 705 | short fg, bg; |
---|
| 706 | if (i >= COLORS) continue; |
---|
| 707 | pair_content(i, &fg, &bg); |
---|
| 708 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
| 709 | } |
---|
[c2c5c77] | 710 | } |
---|
[a0a5179] | 711 | } |
---|
| 712 | |
---|
[8fa9562] | 713 | /* Reset used list */ |
---|
| 714 | void owl_fmtext_reset_colorpairs() |
---|
| 715 | { |
---|
[fa3290d] | 716 | if (owl_global_get_hascolors(&g)) { |
---|
| 717 | short i, j; |
---|
| 718 | owl_colorpair_mgr *cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 719 | cpmgr->next = 8; |
---|
| 720 | |
---|
| 721 | // The test is <= because we allocated COLORS+1 entries. |
---|
| 722 | for(i = 0; i <= COLORS; i++) { |
---|
| 723 | for(j = 0; j <= COLORS; j++) { |
---|
| 724 | cpmgr->pairs[i][j] = -1; |
---|
| 725 | } |
---|
| 726 | } |
---|
| 727 | for(i = 0; i < 8; i++) { |
---|
| 728 | short fg, bg; |
---|
| 729 | if (i >= COLORS) continue; |
---|
| 730 | pair_content(i, &fg, &bg); |
---|
| 731 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
[eeeef20] | 732 | } |
---|
[c2c5c77] | 733 | } |
---|
[8fa9562] | 734 | } |
---|
| 735 | |
---|
| 736 | /* Assign pairs by request */ |
---|
[1bdffcb] | 737 | short owl_fmtext_get_colorpair(int fg, int bg) |
---|
[8fa9562] | 738 | { |
---|
| 739 | owl_colorpair_mgr *cpmgr; |
---|
[801b7ac] | 740 | short pair, default_bg; |
---|
[1bdffcb] | 741 | |
---|
| 742 | #ifdef HAVE_USE_DEFAULT_COLORS |
---|
[8fa9562] | 743 | if (fg == OWL_COLOR_DEFAULT) fg = -1; |
---|
[1bdffcb] | 744 | default_bg = OWL_COLOR_DEFAULT; |
---|
| 745 | #else |
---|
| 746 | if (fg == OWL_COLOR_DEFAULT) fg = 0; |
---|
| 747 | if (bg == OWL_COLOR_DEFAULT) bg = 0; |
---|
| 748 | default_bg = COLOR_BLACK; |
---|
| 749 | #endif |
---|
| 750 | |
---|
[c2c5c77] | 751 | // looking for a pair we already set up for this draw. |
---|
| 752 | cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 753 | pair = cpmgr->pairs[fg+1][bg+1]; |
---|
| 754 | if (!(pair != -1 && pair < cpmgr->next)) { |
---|
| 755 | /* owl_global_set_needrefresh(&g);*/ |
---|
| 756 | // If we didn't find a pair, search for a free one to assign. |
---|
| 757 | pair = (cpmgr->next < COLOR_PAIRS) ? cpmgr->next : -1; |
---|
| 758 | if (pair != -1) { |
---|
| 759 | // We found a free pair, initialize it. |
---|
| 760 | init_pair(pair, fg, bg); |
---|
| 761 | cpmgr->pairs[fg+1][bg+1] = pair; |
---|
| 762 | cpmgr->next++; |
---|
| 763 | } |
---|
| 764 | else if (bg != OWL_COLOR_DEFAULT) { |
---|
| 765 | // We still don't have a pair, drop the background color. Too bad. |
---|
| 766 | owl_function_debugmsg("colorpairs: color shortage - dropping background color."); |
---|
| 767 | pair = owl_fmtext_get_colorpair(fg, OWL_COLOR_DEFAULT); |
---|
| 768 | } |
---|
| 769 | else { |
---|
| 770 | // We still don't have a pair, defaults all around. |
---|
| 771 | owl_function_debugmsg("colorpairs: color shortage - dropping foreground and background color."); |
---|
| 772 | pair = 0; |
---|
[8fa9562] | 773 | } |
---|
| 774 | } |
---|
| 775 | return pair; |
---|
| 776 | } |
---|