diff options
Diffstat (limited to 'diff.c')
-rw-r--r-- | diff.c | 106 |
1 files changed, 65 insertions, 41 deletions
@@ -624,42 +624,54 @@ static void check_blank_at_eof(mmfile_t *mf1, mmfile_t *mf2, } static void emit_line_0(struct diff_options *o, - const char *set, unsigned reverse, const char *reset, + const char *set_sign, const char *set, unsigned reverse, const char *reset, int first, const char *line, int len) { int has_trailing_newline, has_trailing_carriage_return; - int nofirst; + int needs_reset = 0; /* at the end of the line */ FILE *file = o->file; - if (first) - fputs(diff_line_prefix(o), file); - else if (!len) - return; + fputs(diff_line_prefix(o), file); - if (len == 0) { - has_trailing_newline = (first == '\n'); - has_trailing_carriage_return = (!has_trailing_newline && - (first == '\r')); - nofirst = has_trailing_newline || has_trailing_carriage_return; - } else { - has_trailing_newline = (len > 0 && line[len-1] == '\n'); - if (has_trailing_newline) - len--; - has_trailing_carriage_return = (len > 0 && line[len-1] == '\r'); - if (has_trailing_carriage_return) - len--; - nofirst = 0; + has_trailing_newline = (len > 0 && line[len-1] == '\n'); + if (has_trailing_newline) + len--; + + has_trailing_carriage_return = (len > 0 && line[len-1] == '\r'); + if (has_trailing_carriage_return) + len--; + + if (!len && !first) + goto end_of_line; + + if (reverse && want_color(o->use_color)) { + fputs(GIT_COLOR_REVERSE, file); + needs_reset = 1; } - if (len || !nofirst) { - if (reverse && want_color(o->use_color)) - fputs(GIT_COLOR_REVERSE, file); + if (set_sign) { + fputs(set_sign, file); + needs_reset = 1; + } + + if (first) + fputc(first, file); + + if (!len) + goto end_of_line; + + if (set) { + if (set_sign && set != set_sign) + fputs(reset, file); fputs(set, file); - if (first && !nofirst) - fputc(first, file); - fwrite(line, len, 1, file); - fputs(reset, file); + needs_reset = 1; } + fwrite(line, len, 1, file); + needs_reset = 1; /* 'line' may contain color codes. */ + +end_of_line: + if (needs_reset) + fputs(reset, file); if (has_trailing_carriage_return) fputc('\r', file); if (has_trailing_newline) @@ -669,7 +681,7 @@ static void emit_line_0(struct diff_options *o, static void emit_line(struct diff_options *o, const char *set, const char *reset, const char *line, int len) { - emit_line_0(o, set, 0, reset, line[0], line+1, len-1); + emit_line_0(o, set, NULL, 0, reset, 0, line, len); } enum diff_symbol { @@ -1187,9 +1199,9 @@ static void dim_moved_lines(struct diff_options *o) } static void emit_line_ws_markup(struct diff_options *o, - const char *set, const char *reset, - const char *line, int len, - const char *set_sign, char sign, + const char *set_sign, const char *set, + const char *reset, + char sign, const char *line, int len, unsigned ws_rule, int blank_at_eof) { const char *ws = NULL; @@ -1201,18 +1213,15 @@ static void emit_line_ws_markup(struct diff_options *o, } if (!ws && !set_sign) - emit_line_0(o, set, 0, reset, sign, line, len); + emit_line_0(o, set, NULL, 0, reset, sign, line, len); else if (!ws) { - /* Emit just the prefix, then the rest. */ - emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset, - sign, "", 0); - emit_line_0(o, set, 0, reset, 0, line, len); + emit_line_0(o, set_sign, set, !!set_sign, reset, sign, line, len); } else if (blank_at_eof) /* Blank line at EOF - paint '+' as well */ - emit_line_0(o, ws, 0, reset, sign, line, len); + emit_line_0(o, ws, NULL, 0, reset, sign, line, len); else { /* Emit just the prefix, then the rest. */ - emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset, + emit_line_0(o, set_sign ? set_sign : set, NULL, !!set_sign, reset, sign, "", 0); ws_check_emit(line, len, ws_rule, o->file, set, reset, ws); @@ -1236,7 +1245,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, context = diff_get_color_opt(o, DIFF_CONTEXT); reset = diff_get_color_opt(o, DIFF_RESET); putc('\n', o->file); - emit_line_0(o, context, 0, reset, '\\', + emit_line_0(o, context, NULL, 0, reset, '\\', nneof, strlen(nneof)); break; case DIFF_SYMBOL_SUBMODULE_HEADER: @@ -1274,7 +1283,9 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, else if (c == '-') set = diff_get_color_opt(o, DIFF_FILE_OLD); } - emit_line_ws_markup(o, set, reset, line, len, set_sign, ' ', + emit_line_ws_markup(o, set_sign, set, reset, + o->output_indicators[OUTPUT_INDICATOR_CONTEXT], + line, len, flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0); break; case DIFF_SYMBOL_PLUS: @@ -1317,7 +1328,9 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, set = diff_get_color_opt(o, DIFF_CONTEXT_BOLD); flags &= ~DIFF_SYMBOL_CONTENT_WS_MASK; } - emit_line_ws_markup(o, set, reset, line, len, set_sign, '+', + emit_line_ws_markup(o, set_sign, set, reset, + o->output_indicators[OUTPUT_INDICATOR_NEW], + line, len, flags & DIFF_SYMBOL_CONTENT_WS_MASK, flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF); break; @@ -1360,7 +1373,9 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, else set = diff_get_color_opt(o, DIFF_CONTEXT_DIM); } - emit_line_ws_markup(o, set, reset, line, len, set_sign, '-', + emit_line_ws_markup(o, set_sign, set, reset, + o->output_indicators[OUTPUT_INDICATOR_OLD], + line, len, flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0); break; case DIFF_SYMBOL_WORDS_PORCELAIN: @@ -4370,6 +4385,9 @@ void diff_setup(struct diff_options *options) options->file = stdout; + options->output_indicators[OUTPUT_INDICATOR_NEW] = '+'; + options->output_indicators[OUTPUT_INDICATOR_OLD] = '-'; + options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = ' '; options->abbrev = DEFAULT_ABBREV; options->line_termination = '\n'; options->break_opt = -1; @@ -4847,6 +4865,12 @@ int diff_opt_parse(struct diff_options *options, options->output_format |= DIFF_FORMAT_DIFFSTAT; } else if (!strcmp(arg, "--no-compact-summary")) options->flags.stat_with_summary = 0; + else if (skip_prefix(arg, "--output-indicator-new=", &arg)) + options->output_indicators[OUTPUT_INDICATOR_NEW] = arg[0]; + else if (skip_prefix(arg, "--output-indicator-old=", &arg)) + options->output_indicators[OUTPUT_INDICATOR_OLD] = arg[0]; + else if (skip_prefix(arg, "--output-indicator-context=", &arg)) + options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = arg[0]; /* renames options */ else if (starts_with(arg, "-B") || |