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[plain] Optimisation

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This commit is contained in:
Witold Filipczyk 2021-08-10 17:38:42 +02:00
parent dd332080ce
commit d43028a0cf
1 changed files with 81 additions and 77 deletions
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158
src/document/plain/renderer.c
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@ -855,96 +855,100 @@ fixup_tables(struct plain_renderer *renderer)
struct line *prev_line = y > 0 ? &renderer->document->data[y - 1] : NULL;
struct line *line = &renderer->document->data[y];
struct line *next_line = y < renderer->lineno - 1 ? &renderer->document->data[y + 1] : NULL;
int dir;
for (x = 0; x < line->length; x++) {
#ifdef CONFIG_UTF8
unicode_val_T ch = line->chars[x].data;
unicode_val_T prev_char = x > 0 ? line->chars[x - 1].data : ' ';
unicode_val_T next_char = x < line->length - 1 ? line->chars[x + 1].data : ' ';
unicode_val_T up_char = (prev_line && x < prev_line->length) ? prev_line->chars[x].data : ' ';
unicode_val_T down_char = (next_line && x < next_line->length) ? next_line->chars[x].data : ' ';
#else
unsigned char ch = line->chars[x].data;
unsigned char prev_char = x > 0 ? line->chars[x - 1].data : ' ';
unsigned char next_char = x < line->length - 1 ? line->chars[x + 1].data : ' ';
unsigned char up_char = (prev_line && x < prev_line->length) ? prev_line->chars[x].data : ' ';
unsigned char down_char = (next_line && x < next_line->length) ? next_line->chars[x].data : ' ';
#endif
if (ch == '+' || ch == '-' || ch == '|') {
int dir;
#ifdef CONFIG_UTF8
unicode_val_T prev_char = x > 0 ? line->chars[x - 1].data : ' ';
unicode_val_T next_char = x < line->length - 1 ? line->chars[x + 1].data : ' ';
unicode_val_T up_char = (prev_line && x < prev_line->length) ? prev_line->chars[x].data : ' ';
unicode_val_T down_char = (next_line && x < next_line->length) ? next_line->chars[x].data : ' ';
#else
unsigned char prev_char = x > 0 ? line->chars[x - 1].data : ' ';
unsigned char next_char = x < line->length - 1 ? line->chars[x + 1].data : ' ';
unsigned char up_char = (prev_line && x < prev_line->length) ? prev_line->chars[x].data : ' ';
unsigned char down_char = (next_line && x < next_line->length) ? next_line->chars[x].data : ' ';
#endif
switch (ch) {
case '+':
dir = 0;
if (up_char == '|' || up_char == BORDER_SVLINE) dir |= 1;
if (next_char == '-' || next_char == BORDER_SHLINE) dir |= 2;
if (down_char == '|' || down_char == BORDER_SVLINE) dir |= 4;
if (prev_char == '-' || prev_char == BORDER_SHLINE) dir |= 8;
switch (ch) {
case '+':
dir = 0;
if (up_char == '|' || up_char == BORDER_SVLINE) dir |= 1;
if (next_char == '-' || next_char == BORDER_SHLINE) dir |= 2;
if (down_char == '|' || down_char == BORDER_SVLINE) dir |= 4;
if (prev_char == '-' || prev_char == BORDER_SHLINE) dir |= 8;
switch (dir) {
case 15:
line->chars[x].data = BORDER_SCROSS;
line->chars[x].attr = SCREEN_ATTR_FRAME;
switch (dir) {
case 15:
line->chars[x].data = BORDER_SCROSS;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 13:
line->chars[x].data = BORDER_SLTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 7:
line->chars[x].data = BORDER_SRTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 6:
line->chars[x].data = BORDER_SULCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 12:
line->chars[x].data = BORDER_SURCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 3:
line->chars[x].data = BORDER_SDLCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 9:
line->chars[x].data = BORDER_SDRCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 11:
line->chars[x].data = BORDER_SUTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 14:
line->chars[x].data = BORDER_SDTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
default:
break;
}
break;
case 13:
line->chars[x].data = BORDER_SLTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
case '-':
if (prev_char == BORDER_SHLINE || prev_char == BORDER_SCROSS || prev_char == '+' || prev_char == '|'
|| prev_char == BORDER_SULCORNER || prev_char == BORDER_SDLCORNER || prev_char == BORDER_SRTEE
|| prev_char == BORDER_SUTEE || prev_char == BORDER_SDTEE) {
line->chars[x].data = BORDER_SHLINE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
}
break;
case 7:
line->chars[x].data = BORDER_SRTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 6:
line->chars[x].data = BORDER_SULCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 12:
line->chars[x].data = BORDER_SURCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 3:
line->chars[x].data = BORDER_SDLCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 9:
line->chars[x].data = BORDER_SDRCORNER;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 11:
line->chars[x].data = BORDER_SUTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
break;
case 14:
line->chars[x].data = BORDER_SDTEE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
case '|':
if (up_char == BORDER_SVLINE || up_char == '+' || up_char == '|' || up_char == BORDER_SULCORNER
|| up_char == BORDER_SURCORNER || up_char == BORDER_SCROSS || up_char == BORDER_SRTEE || up_char == BORDER_SLTEE
|| up_char == BORDER_SDTEE) {
if (next_char == '-') {
line->chars[x].data = BORDER_SRTEE;
} else if (prev_char == BORDER_SHLINE || prev_char == '-') {
line->chars[x].data = BORDER_SLTEE;
} else {
line->chars[x].data = BORDER_SVLINE;
}
line->chars[x].attr = SCREEN_ATTR_FRAME;
}
break;
default:
break;
continue;
}
break;
case '-':
if (prev_char == BORDER_SHLINE || prev_char == BORDER_SCROSS || prev_char == '+' || prev_char == '|'
|| prev_char == BORDER_SULCORNER || prev_char == BORDER_SDLCORNER || prev_char == BORDER_SRTEE
|| prev_char == BORDER_SUTEE || prev_char == BORDER_SDTEE) {
line->chars[x].data = BORDER_SHLINE;
line->chars[x].attr = SCREEN_ATTR_FRAME;
}
break;
case '|':
if (up_char == BORDER_SVLINE || up_char == '+' || up_char == '|' || up_char == BORDER_SULCORNER
|| up_char == BORDER_SURCORNER || up_char == BORDER_SCROSS || up_char == BORDER_SRTEE || up_char == BORDER_SLTEE
|| up_char == BORDER_SDTEE) {
if (next_char == '-') {
line->chars[x].data = BORDER_SRTEE;
} else if (prev_char == BORDER_SHLINE || prev_char == '-') {
line->chars[x].data = BORDER_SLTEE;
} else {
line->chars[x].data = BORDER_SVLINE;
}
line->chars[x].attr = SCREEN_ATTR_FRAME;
}
break;
default:
continue;
}
}
}