diff options
Diffstat (limited to '')
| -rw-r--r-- | libfonts.h | 59 |
1 files changed, 56 insertions, 3 deletions
@@ -18,6 +18,23 @@ */ #define LIBFONTS_ALIAS_FILE_NAME "fonts.alias" +/** + * File name of file in font directories that is used + * enumerate all font files, and their font names, in + * in the directory + */ +#define LIBFONTS_DIR_FILE_NAME "fonts.dir" + +/** + * File name of file in font directories that is used + * enumerate all scalable font files, and their font + * names, in in the directory + * + * `LIBFONTS_SCALE_DIR_FILE_NAME` enumerates a subset + * of `LIBFONTS_DIR_FILE_NAME` + */ +#define LIBFONTS_SCALE_DIR_FILE_NAME "fonts.scale" + #if defined(__clang__) # pragma clang diagnostic push @@ -1740,8 +1757,8 @@ int libfonts_get_font_root_dirs(char ***, size_t *, struct libfonts_context *); * @param typep Output parameter fot the line's type * @param aliasp Output parameter for the new alias * @param namep Output parameter for the alias target, - * which can be ether a proper XFDL (font name), - * a XFDL with wildcards, or another alias + * which can be ether a proper XLFD (font name), + * a XLFD with wildcards, or another alias * @param line The line to parse; parsing stops at the first * newline or NUL byte * @param endp Output parameter for the parsing end, i.e. the @@ -1749,14 +1766,50 @@ int libfonts_get_font_root_dirs(char ***, size_t *, struct libfonts_context *); * @return 0 on success, -1 on failure * * @throws ENOMEM Failed to allocate memory for `*aliasp` or `*namep` + * @throws EINVAL `line` is `NULL` * * Unless `*typep` is set to (or would be set to) `LIBFONTS_ALIAS_LINE_ALIAS_DEFINITION`, * `*aliasp` and `*namep` are set to `NULL`. On failure, `*aliasp` and `*namep` are set - * to `NULL` and `*typep` is seto to `LIBFONTS_ALIAS_LINE_BLANK`. `*endp` is updated even + * to `NULL` and `*typep` is set to `LIBFONTS_ALIAS_LINE_BLANK`. `*endp` is updated even * on failure. */ int libfonts_parse_alias_line(enum libfonts_alias_line_type *, char **, char **, const char *, char **); +/** + * Parse any other than the first line in a + * font enumeration file + * + * Font enumeration files are named either "fonts.dir" + * (`LIBFONTS_DIR_FILE_NAME`; for full enumeration) or + * "fonts.scale" (`LIBFONTS_SCALE_DIR_FILE_NAME`, for + * enumeration of scalable fonts only), and are located + * in any font directory, i.e. directories returned by + * `libfonts_get_font_root_dirs` subdirectors (and + * further decedents) + * + * The first line the file is a decimally formatted + * non-negative number of entries in the file, and + * should be ignored; and it cannot be parsed by this + * function + * + * @param filep Output parameter for the font file name (basename with suffix) + * @param namep Output parameter for the font's XLFD + * @param line The line to parse; parsing stops at the first + * newline or NUL byte + * @param endp Output parameter for the parsing end, i.e. the + * first newline or NUL byte in `line` + * @return 0 on success, -1 on failure + * + * @throws ENOMEM Failed to allocate memory for `*aliasp` or `*namep` + * @throws EINVAL `line` is `NULL` + * @throws (unmodified) Malformatted line (possibly the first line in the file) + * @throws (unmodified) Listed font file name contains a slash + * + * On failure, `*filep` and `*namep` are set to `NULL`. + * `*endp` is updated even on failure. + */ +int libfonts_parse_dir_line(char **, char **, const char *, char **); + /* TODO add font listing */ |