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tweaks: frob some comments, and reshuffle two fragments of code

master
Benno Schulenberg 2021-01-28 12:11:52 +01:00
parent befe4ea5de
commit 85cc99a2a3
1 changed files with 13 additions and 15 deletions
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28
src/color.c
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@ -317,24 +317,24 @@ void precalc_multicolorinfo(void)
for (line = openfile->filetop; line != NULL; line = line->next) {
int index = 0;
/* Assume nothing applies until proven otherwise below. */
line->multidata[ink->id] = CNONE;
/* For an unpaired start match, mark all remaining lines. */
/* For an unpaired start match, mark each remaining line. */
if (line->prev && line->prev->multidata[ink->id] == CWOULDBE) {
line->multidata[ink->id] = CWOULDBE;
continue;
}
/* When the line contains a start match, look for an end, and if
* found, mark all the lines that are affected. */
/* Assume nothing applies until proven otherwise below. */
line->multidata[ink->id] = CNONE;
/* When the line contains a start match, look for an end,
* and if found, mark all the lines that are affected. */
while (regexec(ink->start, line->data + index, 1,
&startmatch, (index == 0) ? 0 : REG_NOTBOL) == 0) {
/* Begin looking for an end match after the start match. */
index += startmatch.rm_eo;
/* If there is an end match on this line, mark the line, but
* continue looking for other starts after it. */
/* If there is an end match on this line, mark the line,
* but continue looking for other starts after it. */
if (regexec(ink->end, line->data + index, 1,
&endmatch, (index == 0) ? 0 : REG_NOTBOL) == 0) {
line->multidata[ink->id] = CSTARTENDHERE;
@ -353,27 +353,25 @@ void precalc_multicolorinfo(void)
/* Look for an end match on later lines. */
tailline = line->next;
while (tailline != NULL) {
if (regexec(ink->end, tailline->data, 1, &endmatch, 0) == 0)
break;
while (tailline && regexec(ink->end, tailline->data,
1, &endmatch, 0) != 0)
tailline = tailline->next;
}
if (tailline == NULL) {
line->multidata[ink->id] = CWOULDBE;
break;
}
/* We found it, we found it, la la la la la. Mark all
* the lines in between and the end properly. */
/* We found it, we found it, la lala lala. Mark the lines. */
line->multidata[ink->id] = CENDAFTER;
// Note that this also advances the line in the main loop.
for (line = line->next; line != tailline; line = line->next)
line->multidata[ink->id] = CWHOLELINE;
tailline->multidata[ink->id] = CBEGINBEFORE;
/* Begin looking for a new start after the end match. */
/* Look for a possible new start after the end match. */
index = endmatch.rm_eo;
}
}