[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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| 5 | void owl_fmtext_init_null(owl_fmtext *f) { |
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| 6 | f->textlen=0; |
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| 7 | f->textbuff=owl_strdup(""); |
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| 8 | f->fmbuff=owl_malloc(5); |
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| 9 | f->colorbuff=owl_malloc(5); |
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| 10 | f->fmbuff[0]=OWL_FMTEXT_ATTR_NONE; |
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| 11 | f->colorbuff[0]=OWL_COLOR_DEFAULT; |
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| 12 | } |
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| 13 | |
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| 14 | |
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| 15 | void _owl_fmtext_set_attr(owl_fmtext *f, int attr, int first, int last) { |
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| 16 | int i; |
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| 17 | for (i=first; i<=last; i++) { |
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| 18 | f->fmbuff[i]=(unsigned char) attr; |
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| 19 | } |
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| 20 | } |
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| 21 | |
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| 22 | void _owl_fmtext_set_color(owl_fmtext *f, int color, int first, int last) { |
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| 23 | int i; |
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| 24 | for (i=first; i<=last; i++) { |
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| 25 | f->colorbuff[i]=(unsigned char) color; |
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| 26 | } |
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| 27 | } |
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| 28 | |
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| 29 | |
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| 30 | void owl_fmtext_append_attr(owl_fmtext *f, char *text, int attr, int color) { |
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| 31 | int newlen; |
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| 32 | |
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| 33 | newlen=strlen(f->textbuff)+strlen(text); |
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| 34 | f->textbuff=owl_realloc(f->textbuff, newlen+2); |
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| 35 | f->fmbuff=owl_realloc(f->fmbuff, newlen+2); |
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| 36 | f->colorbuff=owl_realloc(f->colorbuff, newlen+2); |
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| 37 | |
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| 38 | strcat(f->textbuff, text); |
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| 39 | _owl_fmtext_set_attr(f, attr, f->textlen, newlen); |
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| 40 | _owl_fmtext_set_color(f, color, f->textlen, newlen); |
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| 41 | f->textlen=newlen; |
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| 42 | } |
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| 43 | |
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| 44 | |
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| 45 | void owl_fmtext_append_normal(owl_fmtext *f, char *text) { |
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| 46 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT); |
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| 47 | } |
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| 48 | |
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| 49 | void owl_fmtext_append_normal_color(owl_fmtext *f, char *text, int color) { |
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| 50 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, color); |
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| 51 | } |
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| 52 | |
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| 53 | |
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| 54 | void owl_fmtext_append_bold(owl_fmtext *f, char *text) { |
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| 55 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT); |
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| 56 | } |
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| 57 | |
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| 58 | |
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| 59 | void owl_fmtext_append_reverse(owl_fmtext *f, char *text) { |
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| 60 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE, OWL_COLOR_DEFAULT); |
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| 61 | } |
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| 62 | |
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| 63 | |
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| 64 | void owl_fmtext_append_reversebold(owl_fmtext *f, char *text) { |
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| 65 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE | OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT); |
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| 66 | } |
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| 67 | |
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| 68 | |
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| 69 | void owl_fmtext_addattr(owl_fmtext *f, int attr) { |
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| 70 | /* add the attribute to all text */ |
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| 71 | int i, j; |
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| 72 | |
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| 73 | j=f->textlen; |
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| 74 | for (i=0; i<j; i++) { |
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| 75 | f->fmbuff[i] |= attr; |
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| 76 | } |
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| 77 | } |
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| 78 | |
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| 79 | void owl_fmtext_colorize(owl_fmtext *f, int color) { |
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| 80 | /* everywhere the color is OWL_COLOR_DEFAULT, change it to be 'color' */ |
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| 81 | int i, j; |
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| 82 | |
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| 83 | j=f->textlen; |
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| 84 | for(i=0; i<j; i++) { |
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| 85 | if (f->colorbuff[i]==OWL_COLOR_DEFAULT) f->colorbuff[i] = color; |
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| 86 | } |
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| 87 | } |
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| 88 | |
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| 89 | |
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| 90 | void owl_fmtext_append_ztext(owl_fmtext *f, char *text) { |
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| 91 | int stacksize, curattrs, curcolor; |
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| 92 | char *ptr, *txtptr, *buff, *tmpptr; |
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| 93 | int attrstack[32], chrstack[32]; |
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| 94 | |
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| 95 | curattrs=OWL_FMTEXT_ATTR_NONE; |
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| 96 | curcolor=OWL_COLOR_DEFAULT; |
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| 97 | stacksize=0; |
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| 98 | txtptr=text; |
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| 99 | while (1) { |
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| 100 | ptr=strpbrk(txtptr, "@{[<()>]}"); |
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| 101 | if (!ptr) { |
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| 102 | /* add all the rest of the text and exit */ |
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| 103 | owl_fmtext_append_attr(f, txtptr, curattrs, curcolor); |
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| 104 | return; |
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| 105 | } else if (ptr[0]=='@') { |
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| 106 | /* add the text up to this point then deal with the stack */ |
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| 107 | buff=owl_malloc(ptr-txtptr+20); |
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| 108 | strncpy(buff, txtptr, ptr-txtptr); |
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| 109 | buff[ptr-txtptr]='\0'; |
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| 110 | owl_fmtext_append_attr(f, buff, curattrs, curcolor); |
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| 111 | owl_free(buff); |
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| 112 | |
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| 113 | /* update pointer to point at the @ */ |
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| 114 | txtptr=ptr; |
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| 115 | |
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| 116 | /* now the stack */ |
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| 117 | |
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| 118 | /* if we've hit our max stack depth, print the @ and move on */ |
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| 119 | if (stacksize==32) { |
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| 120 | owl_fmtext_append_attr(f, "@", curattrs, curcolor); |
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| 121 | txtptr++; |
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| 122 | continue; |
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| 123 | } |
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| 124 | |
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| 125 | /* if it's an @@, print an @ and continue */ |
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| 126 | if (txtptr[1]=='@') { |
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| 127 | owl_fmtext_append_attr(f, "@", curattrs, curcolor); |
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| 128 | txtptr+=2; |
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| 129 | continue; |
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| 130 | } |
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| 131 | |
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| 132 | /* if there's no opener, print the @ and continue */ |
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| 133 | tmpptr=strpbrk(txtptr, "(<[{ "); |
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| 134 | if (!tmpptr || tmpptr[0]==' ') { |
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| 135 | owl_fmtext_append_attr(f, "@", curattrs, curcolor); |
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| 136 | txtptr++; |
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| 137 | continue; |
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| 138 | } |
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| 139 | |
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| 140 | /* check what command we've got, push it on the stack, start |
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| 141 | using it, and continue ... unless it's a color command */ |
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| 142 | buff=owl_malloc(tmpptr-ptr+20); |
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| 143 | strncpy(buff, ptr, tmpptr-ptr); |
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| 144 | buff[tmpptr-ptr]='\0'; |
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| 145 | if (!strcasecmp(buff, "@bold")) { |
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| 146 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
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| 147 | chrstack[stacksize]=tmpptr[0]; |
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| 148 | stacksize++; |
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| 149 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
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| 150 | txtptr+=6; |
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| 151 | owl_free(buff); |
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| 152 | continue; |
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| 153 | } else if (!strcasecmp(buff, "@b")) { |
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| 154 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
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| 155 | chrstack[stacksize]=tmpptr[0]; |
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| 156 | stacksize++; |
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| 157 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
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| 158 | txtptr+=3; |
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| 159 | owl_free(buff); |
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| 160 | continue; |
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| 161 | } else if (!strcasecmp(buff, "@i")) { |
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| 162 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
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| 163 | chrstack[stacksize]=tmpptr[0]; |
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| 164 | stacksize++; |
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| 165 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
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| 166 | txtptr+=3; |
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| 167 | owl_free(buff); |
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| 168 | continue; |
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| 169 | } else if (!strcasecmp(buff, "@italic")) { |
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| 170 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
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| 171 | chrstack[stacksize]=tmpptr[0]; |
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| 172 | stacksize++; |
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| 173 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
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| 174 | txtptr+=8; |
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| 175 | owl_free(buff); |
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| 176 | continue; |
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| 177 | |
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| 178 | /* if it's a color read the color, set the current color and |
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| 179 | continue */ |
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| 180 | } else if (!strcasecmp(buff, "@color") && owl_global_get_hascolors(&g)) { |
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| 181 | owl_free(buff); |
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| 182 | txtptr+=7; |
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| 183 | tmpptr=strpbrk(txtptr, "@{[<()>]}"); |
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| 184 | if (tmpptr && |
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| 185 | ((txtptr[-1]=='(' && tmpptr[0]==')') || |
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| 186 | (txtptr[-1]=='<' && tmpptr[0]=='>') || |
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| 187 | (txtptr[-1]=='[' && tmpptr[0]==']') || |
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| 188 | (txtptr[-1]=='{' && tmpptr[0]=='}'))) { |
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| 189 | |
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| 190 | /* grab the color name */ |
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| 191 | buff=owl_malloc(tmpptr-txtptr+20); |
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| 192 | strncpy(buff, txtptr, tmpptr-txtptr); |
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| 193 | buff[tmpptr-txtptr]='\0'; |
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| 194 | |
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| 195 | /* set it as the current color */ |
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| 196 | curcolor=owl_util_string_to_color(buff); |
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| 197 | owl_free(buff); |
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| 198 | txtptr=tmpptr+1; |
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| 199 | continue; |
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| 200 | |
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| 201 | } else { |
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| 202 | |
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| 203 | } |
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| 204 | |
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| 205 | } else { |
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| 206 | /* if we didn't understand it, we'll print it. This is different from zwgc |
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| 207 | but zwgc seems to be smarter about some screw cases than I am */ |
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| 208 | owl_fmtext_append_attr(f, "@", curattrs, curcolor); |
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| 209 | txtptr++; |
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| 210 | continue; |
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| 211 | } |
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| 212 | |
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| 213 | } else if (ptr[0]=='}' || ptr[0]==']' || ptr[0]==')' || ptr[0]=='>') { |
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| 214 | /* add the text up to this point first */ |
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| 215 | buff=owl_malloc(ptr-txtptr+20); |
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| 216 | strncpy(buff, txtptr, ptr-txtptr); |
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| 217 | buff[ptr-txtptr]='\0'; |
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| 218 | owl_fmtext_append_attr(f, buff, curattrs, curcolor); |
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| 219 | owl_free(buff); |
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| 220 | |
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| 221 | /* now deal with the closer */ |
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| 222 | txtptr=ptr; |
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| 223 | |
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| 224 | /* first, if the stack is empty we must bail (just print and go) */ |
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| 225 | if (stacksize==0) { |
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| 226 | buff=owl_malloc(5); |
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| 227 | buff[0]=ptr[0]; |
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| 228 | buff[1]='\0'; |
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| 229 | owl_fmtext_append_attr(f, buff, curattrs, curcolor); |
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| 230 | owl_free(buff); |
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| 231 | txtptr++; |
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| 232 | continue; |
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| 233 | } |
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| 234 | |
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| 235 | /* if the closing char is what's on the stack, turn off the |
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| 236 | attribue and pop the stack */ |
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| 237 | if ((ptr[0]==')' && chrstack[stacksize-1]=='(') || |
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| 238 | (ptr[0]=='>' && chrstack[stacksize-1]=='<') || |
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| 239 | (ptr[0]==']' && chrstack[stacksize-1]=='[') || |
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| 240 | (ptr[0]=='}' && chrstack[stacksize-1]=='{')) { |
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| 241 | int i; |
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| 242 | stacksize--; |
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| 243 | curattrs=OWL_FMTEXT_ATTR_NONE; |
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| 244 | for (i=0; i<stacksize; i++) { |
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| 245 | curattrs|=attrstack[i]; |
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| 246 | } |
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| 247 | txtptr+=1; |
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| 248 | continue; |
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| 249 | } else { |
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| 250 | /* otherwise print and continue */ |
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| 251 | buff=owl_malloc(5); |
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| 252 | buff[0]=ptr[0]; |
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| 253 | buff[1]='\0'; |
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| 254 | owl_fmtext_append_attr(f, buff, curattrs, curcolor); |
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| 255 | owl_free(buff); |
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| 256 | txtptr++; |
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| 257 | continue; |
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| 258 | } |
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| 259 | } else { |
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| 260 | /* we've found an unattached opener, print everything and move on */ |
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| 261 | buff=owl_malloc(ptr-txtptr+20); |
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| 262 | strncpy(buff, txtptr, ptr-txtptr+1); |
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| 263 | buff[ptr-txtptr+1]='\0'; |
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| 264 | owl_fmtext_append_attr(f, buff, curattrs, curcolor); |
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| 265 | owl_free(buff); |
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| 266 | txtptr=ptr+1; |
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| 267 | continue; |
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| 268 | } |
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| 269 | } |
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| 270 | |
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| 271 | } |
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| 272 | |
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| 273 | void owl_fmtext_append_fmtext(owl_fmtext *f, owl_fmtext *in, int start, int stop) { |
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| 274 | int newlen, i; |
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| 275 | |
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| 276 | newlen=strlen(f->textbuff)+(stop-start+1); |
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| 277 | f->textbuff=owl_realloc(f->textbuff, newlen+1); |
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| 278 | f->fmbuff=owl_realloc(f->fmbuff, newlen+1); |
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| 279 | f->colorbuff=owl_realloc(f->colorbuff, newlen+1); |
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| 280 | |
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| 281 | strncat(f->textbuff, in->textbuff+start, stop-start+1); |
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| 282 | f->textbuff[newlen]='\0'; |
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| 283 | for (i=start; i<=stop; i++) { |
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| 284 | f->fmbuff[f->textlen+(i-start)]=in->fmbuff[i]; |
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| 285 | f->colorbuff[f->textlen+(i-start)]=in->colorbuff[i]; |
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| 286 | } |
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| 287 | f->textlen=newlen; |
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| 288 | } |
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| 289 | |
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| 290 | void owl_fmtext_append_spaces(owl_fmtext *f, int nspaces) { |
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| 291 | int i; |
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| 292 | for (i=0; i<nspaces; i++) { |
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| 293 | owl_fmtext_append_normal(f, " "); |
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| 294 | } |
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| 295 | } |
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| 296 | |
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| 297 | /* requires that the list values are strings or NULL. |
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| 298 | * joins the elements together with join_with. |
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| 299 | * If format_fn is specified, passes it the list element value |
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| 300 | * and it will return a string which this needs to free. */ |
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| 301 | void owl_fmtext_append_list(owl_fmtext *f, owl_list *l, char *join_with, char *(format_fn)(void*)) { |
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| 302 | int i, size; |
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| 303 | void *elem; |
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| 304 | char *text; |
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| 305 | |
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| 306 | size = owl_list_get_size(l); |
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| 307 | for (i=0; i<size; i++) { |
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| 308 | elem = (char*)owl_list_get_element(l,i); |
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| 309 | if (elem && format_fn) { |
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| 310 | text = format_fn(elem); |
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| 311 | if (text) { |
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| 312 | owl_fmtext_append_normal(f, text); |
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| 313 | owl_free(text); |
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| 314 | } |
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| 315 | } else if (elem) { |
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| 316 | owl_fmtext_append_normal(f, elem); |
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| 317 | } |
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| 318 | if ((i < size-1) && join_with) { |
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| 319 | owl_fmtext_append_normal(f, join_with); |
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| 320 | } |
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| 321 | } |
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| 322 | } |
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| 323 | |
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| 324 | |
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| 325 | void owl_fmtext_print_plain(owl_fmtext *f, char *buff) { |
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| 326 | strcpy(buff, f->textbuff); |
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| 327 | } |
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| 328 | |
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| 329 | |
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| 330 | void owl_fmtext_curs_waddstr(owl_fmtext *f, WINDOW *w) { |
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| 331 | char *tmpbuff; |
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| 332 | int position, trans1, trans2, len, lastsame; |
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| 333 | |
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| 334 | tmpbuff=owl_malloc(f->textlen+10); |
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| 335 | |
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| 336 | position=0; |
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| 337 | len=f->textlen; |
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| 338 | while (position<=len) { |
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| 339 | /* find the last char with the current format and color */ |
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| 340 | trans1=owl_util_find_trans(f->fmbuff+position, len-position); |
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| 341 | trans2=owl_util_find_trans(f->colorbuff+position, len-position); |
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| 342 | |
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| 343 | if (trans1<trans2) { |
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| 344 | lastsame=position+trans1; |
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| 345 | } else { |
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| 346 | lastsame=position+trans2; |
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| 347 | } |
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| 348 | |
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| 349 | /* set the format */ |
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| 350 | wattrset(w, A_NORMAL); |
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| 351 | if (f->fmbuff[position] & OWL_FMTEXT_ATTR_BOLD) { |
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| 352 | wattron(w, A_BOLD); |
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| 353 | } |
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| 354 | if (f->fmbuff[position] & OWL_FMTEXT_ATTR_REVERSE) { |
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| 355 | wattron(w, A_REVERSE); |
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| 356 | } |
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| 357 | if (f->fmbuff[position] & OWL_FMTEXT_ATTR_UNDERLINE) { |
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| 358 | wattron(w, A_UNDERLINE); |
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| 359 | } |
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| 360 | |
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| 361 | /* set the color */ |
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| 362 | /* warning, this is sort of a hack */ |
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| 363 | if (owl_global_get_hascolors(&g)) { |
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| 364 | if (f->colorbuff[position]!=OWL_COLOR_DEFAULT) { |
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| 365 | wattron(w, COLOR_PAIR(f->colorbuff[position])); |
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| 366 | } |
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| 367 | } |
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| 368 | |
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| 369 | /* add the text */ |
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| 370 | strncpy(tmpbuff, f->textbuff + position, lastsame-position+1); |
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| 371 | tmpbuff[lastsame-position+1]='\0'; |
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| 372 | waddstr(w, tmpbuff); |
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| 373 | |
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| 374 | position=lastsame+1; |
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| 375 | } |
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| 376 | owl_free(tmpbuff); |
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| 377 | } |
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| 378 | |
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| 379 | |
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| 380 | int owl_fmtext_truncate_lines(owl_fmtext *in, int aline, int lines, owl_fmtext *out) { |
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| 381 | /* start with line aline (where the first line is 0) and print |
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| 382 | * 'lines' lines |
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| 383 | */ |
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| 384 | char *ptr1, *ptr2; |
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| 385 | int i, offset; |
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| 386 | |
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| 387 | /* initialize out */ |
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| 388 | owl_fmtext_init_null(out); |
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| 389 | |
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| 390 | /* find the starting line */ |
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| 391 | ptr1=in->textbuff; |
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| 392 | if (aline!=0) { |
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| 393 | for (i=0; i<aline; i++) { |
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| 394 | ptr1=strchr(ptr1, '\n'); |
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| 395 | if (!ptr1) return(-1); |
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| 396 | ptr1++; |
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| 397 | } |
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| 398 | } |
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| 399 | /* ptr1 now holds the starting point */ |
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| 400 | |
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| 401 | /* copy in the next 'lines' lines */ |
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| 402 | if (lines<1) return(-1); |
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| 403 | |
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| 404 | for (i=0; i<lines; i++) { |
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| 405 | ptr2=strchr(ptr1, '\n'); |
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| 406 | offset=ptr1-in->textbuff; |
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| 407 | if (!ptr2) { |
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| 408 | owl_fmtext_append_fmtext(out, in, offset, in->textlen-1); |
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| 409 | return(-1); |
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| 410 | } |
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| 411 | owl_fmtext_append_fmtext(out, in, offset, (ptr2-ptr1)+offset); |
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| 412 | ptr1=ptr2+1; |
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| 413 | } |
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| 414 | return(0); |
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| 415 | } |
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| 416 | |
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| 417 | |
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| 418 | void owl_fmtext_truncate_cols(owl_fmtext *in, int acol, int bcol, owl_fmtext *out) { |
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| 419 | char *ptr1, *ptr2, *last; |
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| 420 | int len, offset; |
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| 421 | |
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| 422 | /* the first column is column 0 */ |
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| 423 | |
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| 424 | /* the message is expected to end in a new line for now */ |
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| 425 | |
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| 426 | owl_fmtext_init_null(out); |
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| 427 | |
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| 428 | last=in->textbuff+in->textlen-1; |
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| 429 | ptr1=in->textbuff; |
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| 430 | while (ptr1<=last) { |
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| 431 | ptr2=strchr(ptr1, '\n'); |
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| 432 | if (!ptr2) { |
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| 433 | /* but this shouldn't happen if we end in a \n */ |
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| 434 | break; |
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| 435 | } |
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| 436 | |
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| 437 | if (ptr2==ptr1) { |
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| 438 | owl_fmtext_append_normal(out, "\n"); |
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| 439 | ptr1++; |
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| 440 | continue; |
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| 441 | } |
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| 442 | |
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| 443 | /* we need to check that we won't run over here */ |
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| 444 | len=bcol-acol; |
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| 445 | if (len > (ptr2-(ptr1+acol))) { |
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| 446 | len=ptr2-(ptr1+acol); |
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| 447 | } |
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| 448 | if (len>last-ptr1) { |
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| 449 | len-=(last-ptr1); |
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| 450 | } |
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| 451 | if (len<=0) { |
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| 452 | owl_fmtext_append_normal(out, "\n"); |
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| 453 | ptr1=ptr2+1; |
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| 454 | continue; |
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| 455 | } |
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| 456 | |
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| 457 | offset=ptr1-in->textbuff; |
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| 458 | owl_fmtext_append_fmtext(out, in, offset+acol, offset+acol+len); |
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| 459 | |
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| 460 | ptr1=ptr2+1; |
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| 461 | } |
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| 462 | } |
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| 463 | |
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| 464 | |
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| 465 | int owl_fmtext_num_lines(owl_fmtext *f) { |
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| 466 | int lines, i; |
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| 467 | |
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| 468 | lines=0; |
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| 469 | for (i=0; f->textbuff[i]!='\0'; i++) { |
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| 470 | if (f->textbuff[i]=='\n') lines++; |
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| 471 | } |
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| 472 | |
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| 473 | /* if the last char wasn't a \n there's one more line */ |
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| 474 | if (f->textbuff[i-1]!='\n') lines++; |
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| 475 | |
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| 476 | return(lines); |
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| 477 | } |
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| 478 | |
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| 479 | |
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| 480 | char *owl_fmtext_get_text(owl_fmtext *f) { |
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| 481 | return(f->textbuff); |
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| 482 | } |
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| 483 | |
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| 484 | void owl_fmtext_free(owl_fmtext *f) { |
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| 485 | if (f->textbuff) owl_free(f->textbuff); |
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| 486 | if (f->fmbuff) owl_free(f->fmbuff); |
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| 487 | if (f->colorbuff) owl_free(f->colorbuff); |
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| 488 | } |
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| 489 | |
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| 490 | |
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| 491 | void owl_fmtext_copy(owl_fmtext *dst, owl_fmtext *src) { |
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| 492 | dst->textlen=src->textlen; |
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| 493 | dst->textbuff=owl_malloc(src->textlen+5); |
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| 494 | dst->fmbuff=owl_malloc(src->textlen+5); |
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| 495 | dst->colorbuff=owl_malloc(src->textlen+5); |
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| 496 | memcpy(dst->textbuff, src->textbuff, src->textlen); |
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| 497 | memcpy(dst->fmbuff, src->fmbuff, src->textlen); |
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| 498 | memcpy(dst->colorbuff, src->colorbuff, src->textlen); |
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| 499 | } |
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