diff options
Diffstat (limited to 'examples/dte/config.c')
| -rw-r--r-- | examples/dte/config.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/examples/dte/config.c b/examples/dte/config.c deleted file mode 100644 index dd24465..0000000 --- a/examples/dte/config.c +++ /dev/null @@ -1,185 +0,0 @@ -#include <errno.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include "config.h" -#include "commands.h" -#include "editor.h" -#include "error.h" -#include "syntax/color.h" -#include "util/debug.h" -#include "util/readfile.h" -#include "util/str-util.h" -#include "../build/builtin-config.h" - -ConfigState current_config; - -// Odd number of backslashes at end of line? -static bool has_line_continuation(StringView line) -{ - ssize_t pos = line.length - 1; - while (pos >= 0 && line.data[pos] == '\\') { - pos--; - } - return (line.length - 1 - pos) & 1; -} - -UNITTEST { - BUG_ON(has_line_continuation(string_view(NULL, 0))); - BUG_ON(has_line_continuation(strview_from_cstring("0"))); - BUG_ON(!has_line_continuation(strview_from_cstring("1 \\"))); - BUG_ON(has_line_continuation(strview_from_cstring("2 \\\\"))); - BUG_ON(!has_line_continuation(strview_from_cstring("3 \\\\\\"))); - BUG_ON(has_line_continuation(strview_from_cstring("4 \\\\\\\\"))); -} - -void exec_config(CommandRunner *runner, StringView config) -{ - String buf = string_new(1024); - - for (size_t i = 0, n = config.length; i < n; current_config.line++) { - StringView line = buf_slice_next_line(config.data, &i, n); - strview_trim_left(&line); - if (buf.len == 0 && strview_has_prefix(&line, "#")) { - // Comment line - continue; - } - if (has_line_continuation(line)) { - line.length--; - string_append_strview(&buf, &line); - } else { - string_append_strview(&buf, &line); - handle_command(runner, string_borrow_cstring(&buf)); - string_clear(&buf); - } - } - - if (unlikely(buf.len)) { - // This can only happen if the last line had a line continuation - handle_command(runner, string_borrow_cstring(&buf)); - } - - string_free(&buf); -} - -String dump_builtin_configs(void) -{ - String str = string_new(1024); - for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { - string_append_cstring(&str, builtin_configs[i].name); - string_append_byte(&str, '\n'); - } - return str; -} - -const BuiltinConfig *get_builtin_config(const char *name) -{ - for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { - if (streq(name, builtin_configs[i].name)) { - return &builtin_configs[i]; - } - } - return NULL; -} - -const BuiltinConfig *get_builtin_configs_array(size_t *nconfigs) -{ - *nconfigs = ARRAYLEN(builtin_configs); - return &builtin_configs[0]; -} - -int do_read_config(CommandRunner *runner, const char *filename, ConfigFlags flags) -{ - const bool must_exist = flags & CFG_MUST_EXIST; - const bool builtin = flags & CFG_BUILTIN; - - if (builtin) { - const BuiltinConfig *cfg = get_builtin_config(filename); - int err = 0; - if (cfg) { - current_config.file = filename; - current_config.line = 1; - exec_config(runner, cfg->text); - } else if (must_exist) { - error_msg ( - "Error reading '%s': no built-in config exists for that path", - filename - ); - err = 1; - } - return err; - } - - char *buf; - ssize_t size = read_file(filename, &buf); - if (size < 0) { - int err = errno; - if (err != ENOENT || must_exist) { - error_msg("Error reading %s: %s", filename, strerror(err)); - } - return err; - } - - current_config.file = filename; - current_config.line = 1; - exec_config(runner, string_view(buf, size)); - free(buf); - return 0; -} - -int read_config(CommandRunner *runner, const char *filename, ConfigFlags flags) -{ - // Recursive - const ConfigState saved = current_config; - int ret = do_read_config(runner, filename, flags); - current_config = saved; - return ret; -} - -void exec_builtin_color_reset(EditorState *e) -{ - clear_hl_colors(&e->colors); - const StringView reset = string_view(builtin_color_reset, sizeof(builtin_color_reset) - 1); - const ConfigState saved = current_config; - current_config.file = "color/reset"; - current_config.line = 1; - exec_normal_config(e, reset); - current_config = saved; -} - -void exec_builtin_rc(EditorState *e) -{ - exec_builtin_color_reset(e); - const StringView rc = string_view(builtin_rc, sizeof(builtin_rc) - 1); - const ConfigState saved = current_config; - current_config.file = "rc"; - current_config.line = 1; - exec_normal_config(e, rc); - current_config = saved; -} - -void collect_builtin_configs(PointerArray *a, const char *prefix) -{ - for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { - const char *name = builtin_configs[i].name; - if (str_has_prefix(name, prefix)) { - ptr_array_append(a, xstrdup(name)); - } - } -} - -void collect_builtin_includes(PointerArray *a, const char *prefix) -{ - for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { - const char *name = builtin_configs[i].name; - if (str_has_prefix(name, prefix) && !str_has_prefix(name, "syntax/")) { - ptr_array_append(a, xstrdup(name)); - } - } -} - -UNITTEST { - BUG_ON(!get_builtin_config("rc")); - BUG_ON(!get_builtin_config("color/reset")); -} |