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List:       git
Subject:    [PATCH 03/19] ls_colors.c: add a function to color a file name
From:       Nguyễn Thái Ngọc Duy  <pclouds () gmail ! com>
Date:       2014-11-30 8:55:51
Message-ID: 1417337767-4505-4-git-send-email-pclouds () gmail ! com
[Download RAW message or body]

The new function is based on print_color_indicator() from commit
7326d1f1a67edf21947ae98194f98c38b6e9e527 in coreutils.git.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 color.h     |  2 ++
 ls_colors.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/color.h b/color.h
index 3eaa5bd..b6904a3 100644
--- a/color.h
+++ b/color.h
@@ -94,5 +94,7 @@ void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb);
 int color_is_nil(const char *color);
 
 void parse_ls_color(void);
+void color_filename(struct strbuf *sb, const char *name,
+		    const char *display_name, mode_t mode, int linkok);
 
 #endif /* COLOR_H */
diff --git a/ls_colors.c b/ls_colors.c
index 3e35ffe..a58da9e 100644
--- a/ls_colors.c
+++ b/ls_colors.c
@@ -422,3 +422,69 @@ void parse_ls_color(void)
 		color_symlink_as_referent = 1;
 	git_config(ls_colors_config, NULL);
 }
+
+void color_filename(struct strbuf *sb, const char *name,
+		    const char *display_name, mode_t mode, int linkok)
+{
+	int type;
+	struct color_ext_type *ext;	/* Color extension */
+
+	if (S_ISREG (mode)) {
+		type = LS_FL;
+		if ((mode & S_ISUID) != 0)
+			type = LS_SU;
+		else if ((mode & S_ISGID) != 0)
+			type = LS_SG;
+		else if ((mode & (S_IXUSR | S_IXGRP | S_IXOTH)) != 0)
+			type = LS_EX;
+	} else if (S_ISDIR (mode)) {
+		if ((mode & S_ISVTX) && (mode & S_IWOTH))
+			type = LS_TW;
+		else if ((mode & S_IWOTH) != 0)
+			type = LS_OW;
+		else if ((mode & S_ISVTX) != 0)
+			type = LS_ST;
+		else
+			type = LS_DI;
+	} else if (S_ISLNK (mode))
+		type = (!linkok && *ls_colors[LS_OR]) ? LS_OR : LS_LN;
+	else if (S_ISFIFO (mode))
+		type = LS_PI;
+	else if (S_ISSOCK (mode))
+		type = LS_SO;
+	else if (S_ISBLK (mode))
+		type = LS_BD;
+	else if (S_ISCHR (mode))
+		type = LS_CD;
+#ifdef S_ISDOOR
+	else if (S_ISDOOR (mode))
+		type = LS_DO;
+#endif
+	else
+		/* Classify a file of some other type as C_ORPHAN.  */
+		type = LS_OR;
+
+	/* Check the file's suffix only if still classified as C_FILE.  */
+	ext = NULL;
+	if (type == LS_FL) {
+		/* Test if NAME has a recognized suffix.  */
+		size_t len = strlen(name);
+		const char *p = name + len;		/* Pointer to final \0.  */
+		for (ext = color_ext_list; ext != NULL; ext = ext->next) {
+			if (ext->ext.len <= len &&
+			    !strncmp(p - ext->ext.len, ext->ext.string, ext->ext.len))
+				break;
+		}
+	}
+
+	if (display_name)
+		name = display_name;
+	if (ext)
+		strbuf_addf(sb, "\033[%.*sm%s%s",
+			    (int)ext->seq.len, ext->seq.string,
+			    name, GIT_COLOR_RESET);
+	else if (*ls_colors[type])
+		strbuf_addf(sb, "%s%s%s", ls_colors[type], name, GIT_COLOR_RESET);
+	else
+		strbuf_addstr(sb, name);
+}
-- 
2.2.0.60.gb7b3c64

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