diff options
| -rw-r--r-- | src/basic/string-util.c | 29 | ||||
| -rw-r--r-- | src/basic/string-util.h | 2 | ||||
| -rw-r--r-- | src/test/test-strip-tab-ansi.c | 8 |
3 files changed, 30 insertions, 9 deletions
diff --git a/src/basic/string-util.c b/src/basic/string-util.c index 3e19e43ac..b4d351736 100644 --- a/src/basic/string-util.c +++ b/src/basic/string-util.c @@ -30,6 +30,7 @@ #include "gunicode.h" #include "macro.h" #include "string-util.h" +//#include "terminal-util.h" #include "utf8.h" #include "util.h" @@ -652,7 +653,17 @@ char *strreplace(const char *text, const char *old_string, const char *new_strin return ret; } -char *strip_tab_ansi(char **ibuf, size_t *_isz) { +static void advance_offsets(ssize_t diff, size_t offsets[2], size_t shift[2], size_t size) { + if (!offsets) + return; + + if ((size_t) diff < offsets[0]) + shift[0] += size; + if ((size_t) diff < offsets[1]) + shift[1] += size; +} + +char *strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]) { const char *i, *begin = NULL; enum { STATE_OTHER, @@ -660,7 +671,7 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) { STATE_BRACKET } state = STATE_OTHER; char *obuf = NULL; - size_t osz = 0, isz; + size_t osz = 0, isz, shift[2] = {}; FILE *f; assert(ibuf); @@ -688,15 +699,18 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) { break; else if (*i == '\x1B') state = STATE_ESCAPE; - else if (*i == '\t') + else if (*i == '\t') { fputs(" ", f); - else + advance_offsets(i - *ibuf, highlight, shift, 7); + } else fputc(*i, f); + break; case STATE_ESCAPE: if (i >= *ibuf + isz) { /* EOT */ fputc('\x1B', f); + advance_offsets(i - *ibuf, highlight, shift, 1); break; } else if (*i == '[') { state = STATE_BRACKET; @@ -704,6 +718,7 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) { } else { fputc('\x1B', f); fputc(*i, f); + advance_offsets(i - *ibuf, highlight, shift, 1); state = STATE_OTHER; } @@ -715,6 +730,7 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) { (!(*i >= '0' && *i <= '9') && !IN_SET(*i, ';', 'm'))) { fputc('\x1B', f); fputc('[', f); + advance_offsets(i - *ibuf, highlight, shift, 2); state = STATE_OTHER; i = begin-1; } else if (*i == 'm') @@ -736,6 +752,11 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) { if (_isz) *_isz = osz; + if (highlight) { + highlight[0] += shift[0]; + highlight[1] += shift[1]; + } + return obuf; } diff --git a/src/basic/string-util.h b/src/basic/string-util.h index 7cbfef725..dbdfe1383 100644 --- a/src/basic/string-util.h +++ b/src/basic/string-util.h @@ -185,7 +185,7 @@ char* strshorten(char *s, size_t l); char *strreplace(const char *text, const char *old_string, const char *new_string); -char *strip_tab_ansi(char **p, size_t *l); +char *strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]); char *strextend_with_separator(char **x, const char *separator, ...) _sentinel_; diff --git a/src/test/test-strip-tab-ansi.c b/src/test/test-strip-tab-ansi.c index aabb7c40e..838a6e4db 100644 --- a/src/test/test-strip-tab-ansi.c +++ b/src/test/test-strip-tab-ansi.c @@ -28,24 +28,24 @@ int main(int argc, char *argv[]) { char *p; assert_se(p = strdup("\tFoobar\tbar\twaldo\t")); - assert_se(strip_tab_ansi(&p, NULL)); + assert_se(strip_tab_ansi(&p, NULL, NULL)); fprintf(stdout, "<%s>\n", p); assert_se(streq(p, " Foobar bar waldo ")); free(p); assert_se(p = strdup(ANSI_HIGHLIGHT "Hello" ANSI_NORMAL ANSI_HIGHLIGHT_RED " world!" ANSI_NORMAL)); - assert_se(strip_tab_ansi(&p, NULL)); + assert_se(strip_tab_ansi(&p, NULL, NULL)); fprintf(stdout, "<%s>\n", p); assert_se(streq(p, "Hello world!")); free(p); assert_se(p = strdup("\x1B[\x1B[\t\x1B[" ANSI_HIGHLIGHT "\x1B[" "Hello" ANSI_NORMAL ANSI_HIGHLIGHT_RED " world!" ANSI_NORMAL)); - assert_se(strip_tab_ansi(&p, NULL)); + assert_se(strip_tab_ansi(&p, NULL, NULL)); assert_se(streq(p, "\x1B[\x1B[ \x1B[\x1B[Hello world!")); free(p); assert_se(p = strdup("\x1B[waldo")); - assert_se(strip_tab_ansi(&p, NULL)); + assert_se(strip_tab_ansi(&p, NULL, NULL)); assert_se(streq(p, "\x1B[waldo")); free(p); |