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