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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6043 | leency | 1 | /*======================================================== |
| 2 | = = |
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| 7285 | leency | 3 | = STYLE = |
| 6043 | leency | 4 | = = |
| 5 | ========================================================*/ |
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| 6053 | leency | 6 | #define HTML_PADDING_X 8; |
| 7 | #define HTML_PADDING_Y 5; |
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| 6043 | leency | 8 | |
| 7285 | leency | 9 | struct _style { |
| 7286 | leency | 10 | bool bold, underlined, italic, strike; |
| 7285 | leency | 11 | bool h1, h2, h3, h4, h5, h6; |
| 12 | bool a; |
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| 13 | bool pre; |
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| 14 | bool ignore; |
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| 7286 | leency | 15 | bool body; |
| 7285 | leency | 16 | dword color; |
| 17 | void clear(); |
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| 18 | }; |
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| 6053 | leency | 19 | |
| 7285 | leency | 20 | void _style::clear() |
| 21 | { |
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| 7286 | leency | 22 | bold=underlined=italic=strike=0; |
| 7285 | leency | 23 | h1=h2=h3=h4=h5=h6=0; |
| 24 | a=0; |
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| 25 | pre=0; |
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| 26 | ignore=0; |
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| 27 | color=0; |
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| 7286 | leency | 28 | body=0; |
| 7285 | leency | 29 | } |
| 30 | |||
| 31 | /*======================================================== |
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| 32 | = = |
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| 33 | = TAG = |
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| 34 | = = |
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| 35 | ========================================================*/ |
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| 36 | struct _tag { |
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| 37 | dword start; |
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| 38 | dword end; |
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| 39 | dword name; |
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| 7286 | leency | 40 | |
| 41 | bool opens; |
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| 42 | |||
| 43 | dword param; |
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| 44 | dword value; |
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| 45 | |||
| 7285 | leency | 46 | void parse(); |
| 47 | int nameis(); |
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| 48 | }; |
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| 49 | |||
| 50 | void _tag::parse() |
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| 51 | { |
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| 7286 | leency | 52 | dword START = start; |
| 53 | |||
| 54 | calc(1); //WTF |
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| 55 | |||
| 56 | if (ESBYTE[START]=='/') { |
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| 57 | START++; |
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| 58 | opens = false; |
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| 59 | } else opens = true; |
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| 60 | |||
| 61 | name = START; |
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| 62 | |||
| 63 | while ( (START < end) && (!__isWhite(ESBYTE[START])) ) { |
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| 64 | START++; |
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| 65 | } |
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| 66 | if (START!=end) ESBYTE[START] = '\0'; |
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| 67 | START++; |
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| 68 | |||
| 7285 | leency | 69 | strlwr(name); |
| 7286 | leency | 70 | |
| 71 | start = START; |
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| 7285 | leency | 72 | } |
| 73 | |||
| 74 | int _tag::nameis(dword _in_tag_name) |
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| 75 | { |
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| 7286 | leency | 76 | if (name) && (streq(_in_tag_name, name)) return true; |
| 7285 | leency | 77 | return false; |
| 78 | } |
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| 79 | |||
| 80 | /*======================================================== |
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| 81 | = = |
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| 82 | = DRAW = |
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| 83 | = = |
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| 84 | ========================================================*/ |
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| 85 | struct _draw |
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| 86 | { |
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| 87 | dword x; |
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| 88 | dword y; |
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| 89 | void init(); |
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| 90 | void line_break(); |
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| 91 | }; |
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| 92 | |||
| 93 | void _draw::init() |
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| 94 | { |
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| 95 | x = HTML_PADDING_X; |
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| 96 | y = HTML_PADDING_Y; |
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| 97 | } |
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| 98 | void _draw::line_break() |
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| 99 | { |
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| 100 | y+= list.item_h; |
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| 101 | x = HTML_PADDING_X; |
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| 102 | } |
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| 103 | |||
| 104 | /*======================================================== |
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| 105 | = = |
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| 106 | = BUF = |
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| 107 | = = |
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| 108 | ========================================================*/ |
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| 109 | struct _buf |
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| 110 | { |
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| 111 | dword pointer; |
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| 112 | dword len; |
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| 113 | dword start; |
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| 114 | dword end; |
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| 115 | void init(); |
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| 116 | }; |
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| 117 | |||
| 118 | void _buf::init(dword _buf_pointer, _buf_len) |
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| 119 | { |
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| 120 | pointer = _buf_pointer; |
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| 121 | len = _buf_len; |
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| 122 | start = malloc(len); |
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| 123 | end = start + len; |
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| 124 | strlcpy(start, pointer, len); |
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| 125 | } |
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| 126 | |||
| 127 | /*======================================================== |
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| 128 | = = |
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| 129 | = TEXT = |
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| 130 | = = |
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| 131 | ========================================================*/ |
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| 132 | struct _text { |
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| 133 | int size_pt_change; |
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| 134 | dword start; |
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| 135 | dword end; |
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| 7286 | leency | 136 | |
| 137 | dword width; |
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| 7285 | leency | 138 | }; |
| 139 | |||
| 140 | /* |
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| 6053 | leency | 141 | dword line_break; |
| 7285 | leency | 142 | byte char_holder; |
| 6043 | leency | 143 | |
| 7285 | leency | 144 | if (ESBYTE[buf.pos]==0x0A) { |
| 145 | if (style.pre) { |
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| 146 | draw.line_break(); |
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| 147 | continue; |
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| 148 | } |
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| 149 | } |
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| 150 | |||
| 151 | while (get_label_len(text.start) + draw.x + 30 > list.w) |
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| 152 | { |
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| 153 | for (line_break=tag.start-1; line_break>text.start; line_break--;) |
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| 6043 | leency | 154 | { |
| 7285 | leency | 155 | char_holder = ESBYTE[line_break]; //set line end |
| 156 | ESBYTE[line_break] = '\0'; |
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| 157 | if (get_label_len(text.start) + draw.x + 30 <= list.w) break; |
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| 158 | ESBYTE[line_break] = char_holder; //restore line |
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| 159 | } |
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| 160 | if (draw_on) { |
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| 161 | if (style.a) { |
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| 162 | link.add(draw.x,draw.y + size_pt_change,get_label_len(text.start),list.item_h,text.start," "); |
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| 163 | label_draw_bar(draw.x, draw.y+kfont.size.pt+1, get_label_len(text.start), style.color); |
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| 164 | } |
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| 165 | WriteTextIntoBuf(draw.x, draw.y, style.color, text.start); |
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| 166 | } |
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| 167 | draw.x+=char_width[' ']; |
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| 168 | ESBYTE[line_break] = char_holder; //restore line |
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| 169 | text.start = line_break; |
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| 170 | draw.line_break(); |
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| 171 | } |
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| 172 | if (draw_on) { |
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| 173 | if (style.a) { |
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| 174 | link.add(draw.x,draw.y + size_pt_change,get_label_len(text.start),list.item_h,text.start," "); |
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| 175 | label_draw_bar(draw.x, draw.y+kfont.size.pt+1, get_label_len(text.start), style.color); |
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| 176 | } |
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| 177 | WriteTextIntoBuf(draw.x, draw.y, style.color, text.start); |
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| 178 | } |
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| 179 | draw.x += char_width[' ']; |
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| 180 | draw.x += get_label_len(text.start); |
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| 181 | */ |
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| 6375 | guillem | 182 | |
| 7285 | leency | 183 | |
| 184 | /*======================================================== |
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| 185 | = = |
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| 186 | = DOM = |
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| 187 | = = |
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| 188 | ========================================================*/ |
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| 189 | struct _dom |
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| 190 | { |
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| 191 | _tag tag; |
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| 192 | _style style; |
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| 193 | _draw draw; |
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| 194 | _buf buf; |
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| 195 | _text text; |
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| 196 | _canvas canvas; |
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| 197 | void init(); |
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| 7286 | leency | 198 | void apply_text(); |
| 7285 | leency | 199 | void set_style(); |
| 200 | void parse(); |
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| 201 | }; |
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| 202 | |||
| 203 | void _dom::init() |
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| 204 | { |
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| 205 | style.clear(); |
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| 206 | draw.init(); |
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| 207 | buf.init(io.buffer_data, strlen(io.buffer_data)); |
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| 208 | } |
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| 209 | |||
| 210 | void _dom::set_style() |
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| 211 | { |
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| 7286 | leency | 212 | if (tag.nameis("body")) style.body = tag.opens; |
| 213 | if (tag.nameis("b")) style.bold = tag.opens; |
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| 214 | if (tag.nameis("i")) style.italic = tag.opens; |
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| 215 | if (tag.nameis("s")) style.strike = tag.opens; |
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| 216 | if (tag.nameis("pre")) style.pre = tag.opens; |
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| 217 | if (tag.nameis("style")) style.ignore = tag.opens; |
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| 218 | if (tag.nameis("a")) { |
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| 219 | style.a = tag.opens; |
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| 220 | if (tag.opens) style.color=0x0000FF; else style.color=0; |
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| 221 | } |
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| 222 | |||
| 7285 | leency | 223 | if (tag.nameis("br")) |
| 224 | || (tag.nameis("p")) |
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| 225 | || (tag.nameis("div")) |
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| 226 | || (tag.nameis("tr")) { |
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| 227 | draw.line_break(); |
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| 228 | return; |
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| 229 | } |
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| 230 | |||
| 7286 | leency | 231 | if (tag.nameis("li")) && (tag.opens) { |
| 232 | draw.line_break(); |
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| 233 | return; |
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| 234 | } |
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| 235 | |||
| 236 | if (tag.nameis("td")) && (tag.opens) { |
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| 237 | draw.line_break(); |
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| 238 | return; |
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| 239 | } |
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| 240 | |||
| 241 | /* |
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| 242 | if (tag.nameis("title")) { |
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| 7285 | leency | 243 | strcpy(#title, text.start); |
| 244 | strcat(#title, " - Aelia"); |
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| 245 | DrawTitle(#title); |
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| 246 | } |
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| 247 | |||
| 7286 | leency | 248 | |
| 249 | |||
| 7285 | leency | 250 | if (tag.nameis("h1")) || (tag.nameis("/h1")) || |
| 251 | (tag.nameis("h2")) || (tag.nameis("/h2")) || |
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| 252 | (tag.nameis("h3")) || (tag.nameis("/h3")) { |
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| 253 | if (tag.nameis("h1")) { |
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| 254 | text.size_pt_change = 8; |
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| 255 | } else if (tag.nameis("/h1")) { |
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| 256 | text.size_pt_change = -8; |
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| 257 | } else if (tag.nameis("h2")) { |
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| 258 | text.size_pt_change = 6; |
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| 259 | } else if (tag.nameis("/h2")) { |
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| 260 | text.size_pt_change = -6; |
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| 261 | } else if (tag.nameis("h3")) { |
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| 262 | text.size_pt_change = 4; |
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| 263 | } else if (tag.nameis("/h3")) { |
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| 264 | text.size_pt_change = -4; |
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| 6043 | leency | 265 | } |
| 7285 | leency | 266 | kfont.size.pt += text.size_pt_change; |
| 267 | get_label_symbols_size(); |
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| 268 | if (text.size_pt_change > 0) { |
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| 269 | draw.y+= list.item_h;//что если будет очень длинная строка в теге? |
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| 270 | } else {//коммент выше и коммент ниже связаны |
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| 271 | draw.y+= list.item_h - text.size_pt_change;//не очень понятна логика этого места |
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| 272 | text.size_pt_change = 0; |
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| 273 | } |
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| 274 | draw.x = HTML_PADDING_X; |
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| 275 | return; |
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| 6043 | leency | 276 | } |
| 7285 | leency | 277 | */ |
| 278 | } |
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| 279 | |||
| 280 | void _dom::apply_text() |
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| 281 | { |
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| 7286 | leency | 282 | if (kfont.size.height) && (style.body) { |
| 283 | kfont.bold = style.bold; |
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| 284 | canvas.write_text(draw.x, draw.y, style.color, text.start); |
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| 285 | if (style.a) { |
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| 286 | canvas.draw_hor_line(draw.x+1, draw.y + list.item_h-2, kfont.get_label_width(text.start), style.color); |
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| 287 | } |
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| 288 | } |
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| 7285 | leency | 289 | } |
| 290 | |||
| 291 | void _dom::parse() |
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| 292 | { |
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| 293 | dword i; |
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| 294 | init(); |
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| 295 | |||
| 296 | text.start = buf.start; |
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| 297 | tag.start = buf.start; |
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| 298 | for ( i=buf.start; i |
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| 299 | { |
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| 300 | if (ESBYTE[i]=='<') { |
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| 301 | tag.start = i+1; |
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| 302 | text.end = i-1; |
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| 303 | ESBYTE[i] = '\0'; |
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| 304 | apply_text(); |
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| 305 | } |
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| 306 | if (ESBYTE[i]=='>') { |
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| 307 | tag.end = i-1; |
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| 308 | text.start = i+1; |
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| 309 | ESBYTE[i] = '\0'; |
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| 7286 | leency | 310 | tag.parse(); |
| 311 | set_style(); |
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| 7285 | leency | 312 | } |
| 313 | } |
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| 314 | |||
| 315 | free(buf.start); |
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| 316 | if (!kfont.size.height) { |
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| 317 | list.count = draw.y/list.item_h+3; |
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| 6053 | leency | 318 | if (list.count < list.visible) list.count = list.visible; |
| 6806 | leency | 319 | kfont.size.height = list.count+5*list.item_h; |
| 320 | kfont.raw_size = 0; |
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| 7285 | leency | 321 | parse(); |
| 6053 | leency | 322 | } |
| 7285 | leency | 323 | } |
| 324 | |||
| 325 | |||
| 326 | |||
| 327 | /*======================================================== |
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| 328 | = = |
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| 329 | = PREPARE = |
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| 330 | = = |
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| 331 | ========================================================*/ |
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| 332 | void PreparePage() |
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| 333 | { |
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| 334 | _dom dom; |
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| 335 | list.SetSizes(0, TOOLBAR_H, Form.cwidth-scroll.size_x-1, Form.cheight-TOOLBAR_H, kfont.size.pt+4); |
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| 336 | strcpy(#title, history.current()+strrchr(history.current(),'/')); |
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| 337 | ChangeCharset(charsets[encoding], "CP866", io.buffer_data); |
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| 338 | link.clear(); |
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| 339 | |||
| 340 | kfont.size.height = 0; |
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| 341 | |||
| 342 | if ( strstri(io.buffer_data, " |
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| 343 | |||
| 344 | kfont.ApplySmooth(); |
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| 345 | |||
| 346 | DrawPage(); |
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| 7286 | leency | 347 | } |
| 348 | |||
| 349 | void ParseTxt() |
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| 350 | { |
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| 351 | _canvas canvas; |
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| 352 | byte ch, zeroch=0; |
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| 353 | dword bufoff, buflen, line_start, srch_pos; |
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| 354 | int stroka_y=5, line_length=0; |
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| 355 | |||
| 356 | line_start=io.buffer_data; |
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| 357 | buflen = strlen(io.buffer_data) + io.buffer_data; |
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| 358 | for (bufoff=io.buffer_data; bufoff |
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| 359 | { |
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| 360 | ch = ESBYTE[bufoff]; |
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| 361 | line_length += kfont_char_width[ch]; |
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| 362 | if (line_length>=list.w-30) || (ch==10) { |
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| 363 | srch_pos = bufoff; |
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| 364 | loop() |
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| 365 | { |
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| 366 | if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break |
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| 367 | if (srch_pos == line_start) break; //no white space found in whole line |
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| 368 | srch_pos--; |
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| 369 | } |
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| 370 | if (kfont.size.height) { |
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| 371 | ESBYTE[bufoff] >< zeroch; //set line end |
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| 372 | canvas.write_text(8, stroka_y, 0x000000, line_start); |
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| 373 | ESBYTE[bufoff] >< zeroch; //restore line |
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| 374 | } |
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| 375 | stroka_y += list.item_h; |
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| 376 | line_start = bufoff; |
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| 377 | line_length = 0; |
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| 378 | } |
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| 379 | } |
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| 380 | if (!kfont.size.height) { |
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| 381 | list.count = stroka_y/list.item_h+3; |
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| 382 | if (list.count < list.visible) list.count = list.visible; |
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| 383 | kfont.size.height = list.count+5*list.item_h; |
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| 384 | kfont.raw_size = 0; |
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| 385 | ParseTxt(); |
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| 386 | } |
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| 387 | else canvas.write_text(8, stroka_y, 0x000000, line_start); |
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| 6043 | leency | 388 | } |