source src/config_parse.c
| Line | Flow | Count | Block(s) | Source |
|---|---|---|---|---|
| 1 | - | /* | ||
| 2 | - | * Copyright (C) the libgit2 contributors. All rights reserved. | ||
| 3 | - | * | ||
| 4 | - | * This file is part of libgit2, distributed under the GNU GPL v2 with | ||
| 5 | - | * a Linking Exception. For full terms see the included COPYING file. | ||
| 6 | - | */ | ||
| 7 | - | |||
| 8 | - | #include "config_parse.h" | ||
| 9 | - | |||
| 10 | - | #include "buf_text.h" | ||
| 11 | - | |||
| 12 | - | #include <ctype.h> | ||
| 13 | - | |||
| 14 | - | const char *git_config_escapes = "ntb\"\\"; | ||
| 15 | - | const char *git_config_escaped = "\n\t\b\"\\"; | ||
| 16 | - | |||
| 17 | 16 | 2 | static void set_parse_error(git_config_parser *reader, int col, const char *error_str) | |
| 18 | - | { | ||
| 19 | 16 | 2 | if (col) | |
| 20 | 5 | 3 | git_error_set(GIT_ERROR_CONFIG, | |
| 21 | - | "failed to parse config file: %s (in %s:%"PRIuZ", column %d)", | ||
| 22 | - | error_str, reader->path, reader->ctx.line_num, col); | ||
| 23 | - | else | ||
| 24 | 11 | 4 | git_error_set(GIT_ERROR_CONFIG, | |
| 25 | - | "failed to parse config file: %s (in %s:%"PRIuZ")", | ||
| 26 | - | error_str, reader->path, reader->ctx.line_num); | ||
| 27 | 16 | 5 | } | |
| 28 | - | |||
| 29 | - | |||
| 30 | 345273 | 2 | GIT_INLINE(int) config_keychar(int c) | |
| 31 | - | { | ||
| 32 | 345273 | 2 | return isalnum(c) || c == '-'; | |
| 33 | - | } | ||
| 34 | - | |||
| 35 | ![]() |
- | 2 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files)static int strip_comments(char *line, int in_quotes) |
| 36 | - | { | ||
| 37 | - | 2 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) int quote_count = in_quotes, backslash_count = 0; | |
| 38 | - | char *ptr; | ||
| 39 | - | |||
| 40 | - | 2,15,16 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) for (ptr = line; *ptr; ++ptr) { | |
| 41 | - | 3-5 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) if (ptr[0] == '"' && ptr > line && ptr[-1] != '\\') | |
| 42 | - | 6 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) quote_count++; | |
| 43 | - | |||
| 44 | - | 7-9 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) if ((ptr[0] == ';' || ptr[0] == '#') && | |
| 45 | - | 9,10 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) (quote_count % 2) == 0 && | |
| 46 | - | 10 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) (backslash_count % 2) == 0) { | |
| 47 | - | 11 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) ptr[0] = '\0'; | |
| 48 | - | 11 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) break; | |
| 49 | - | } | ||
| 50 | - | |||
| 51 | - | 12 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) if (ptr[0] == '\\') | |
| 52 | - | 13 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) backslash_count++; | |
| 53 | - | else | ||
| 54 | - | 14 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) backslash_count = 0; | |
| 55 | - | } | ||
| 56 | - | |||
| 57 | - | /* skip any space at the end */ | ||
| 58 | - | 17,19-21 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) while (ptr > line && git__isspace(ptr[-1])) { | |
| 59 | - | 18 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) ptr--; | |
| 60 | - | } | ||
| 61 | - | 22 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) ptr[0] = '\0'; | |
| 62 | - | |||
| 63 | - | 22 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) return quote_count; | |
| 64 | - | } | ||
| 65 | - | |||
| 66 | - | |||
| 67 | ![]() |
30829 | 2 | static int parse_subsection_header(git_config_parser *reader, const char *line, size_t pos, const char *base_name, char **section_name) |
| 68 | - | { | ||
| 69 | - | int c, rpos; | ||
| 70 | - | const char *first_quote, *last_quote; | ||
| 71 | 30829 | 2 | const char *line_start = line; | |
| 72 | 30829 | 2 | git_buf buf = GIT_BUF_INIT; | |
| 73 | 30829 | 2 | size_t quoted_len, alloc_len, base_name_len = strlen(base_name); | |
| 74 | - | |||
| 75 | - | /* Skip any additional whitespace before our section name */ | ||
| 76 | 30831 | 2,4,5 | while (git__isspace(line[pos])) | |
| 77 | 2 | 3 | pos++; | |
| 78 | - | |||
| 79 | - | /* We should be at the first quotation mark. */ | ||
| 80 | 30829 | 6 | if (line[pos] != '"') { | |
| 81 | 4 | 7 | set_parse_error(reader, 0, "missing quotation marks in section header"); | |
| 82 | 4 | 53 | goto end_error; | |
| 83 | - | } | ||
| 84 | - | |||
| 85 | 30825 | 8 | first_quote = &line[pos]; | |
| 86 | 30825 | 8 | last_quote = strrchr(line, '"'); | |
| 87 | 30825 | 8 | quoted_len = last_quote - first_quote; | |
| 88 | - | |||
| 89 | 30825 | 8 | if ((last_quote - line) > INT_MAX) { | |
| 90 | ##### | 9 | set_parse_error(reader, 0, "invalid section header, line too long"); | |
| 91 | ##### | 10 | goto end_error; | |
| 92 | - | } | ||
| 93 | - | |||
| 94 | 30825 | 11 | if (quoted_len == 0) { | |
| 95 | ##### | 12 | set_parse_error(reader, 0, "missing closing quotation mark in section header"); | |
| 96 | ##### | 13 | goto end_error; | |
| 97 | - | } | ||
| 98 | - | |||
| 99 | 30825 | 14-20 | GIT_ERROR_CHECK_ALLOC_ADD(&alloc_len, base_name_len, quoted_len); | |
| 100 | 30825 | 21-27 | GIT_ERROR_CHECK_ALLOC_ADD(&alloc_len, alloc_len, 2); | |
| 101 | - | |||
| 102 | 30825 | 28,29,31 | if (git_buf_grow(&buf, alloc_len) < 0 || | |
| 103 | 30825 | 30 | git_buf_printf(&buf, "%s.", base_name) < 0) | |
| 104 | - | goto end_error; | ||
| 105 | - | |||
| 106 | 30825 | 32 | rpos = 0; | |
| 107 | - | |||
| 108 | 30825 | 32 | line = first_quote; | |
| 109 | 30825 | 32 | c = line[++rpos]; | |
| 110 | - | |||
| 111 | - | /* | ||
| 112 | - | * At the end of each iteration, whatever is stored in c will be | ||
| 113 | - | * added to the string. In case of error, jump to out | ||
| 114 | - | */ | ||
| 115 | - | do { | ||
| 116 | - | |||
| 117 | 368371 | 33 | switch (c) { | |
| 118 | - | case 0: | ||
| 119 | ##### | 34 | set_parse_error(reader, 0, "unexpected end-of-line in section header"); | |
| 120 | ##### | 35 | goto end_error; | |
| 121 | - | |||
| 122 | - | case '"': | ||
| 123 | 58 | 36 | goto end_parse; | |
| 124 | - | |||
| 125 | - | case '\\': | ||
| 126 | 14 | 37 | c = line[++rpos]; | |
| 127 | - | |||
| 128 | 14 | 37 | if (c == 0) { | |
| 129 | ##### | 38 | set_parse_error(reader, rpos, "unexpected end-of-line in section header"); | |
| 130 | ##### | 39 | goto end_error; | |
| 131 | - | } | ||
| 132 | - | |||
| 133 | - | default: | ||
| 134 | 368313 | 40 | break; | |
| 135 | - | } | ||
| 136 | - | |||
| 137 | 368313 | 41 | git_buf_putc(&buf, (char)c); | |
| 138 | 368309 | 42 | c = line[++rpos]; | |
| 139 | 368309 | 42 | } while (line + rpos < last_quote); | |
| 140 | - | |||
| 141 | - | end_parse: | ||
| 142 | 30823 | 43,44 | if (git_buf_oom(&buf)) | |
| 143 | ##### | 45 | goto end_error; | |
| 144 | - | |||
| 145 | 30823 | 46,47 | if (line[rpos] != '"' || line[rpos + 1] != ']') { | |
| 146 | 3 | 48 | set_parse_error(reader, rpos, "unexpected text after closing quotes"); | |
| 147 | 3 | 49 | git_buf_dispose(&buf); | |
| 148 | 3 | 50 | return -1; | |
| 149 | - | } | ||
| 150 | - | |||
| 151 | 30820 | 51 | *section_name = git_buf_detach(&buf); | |
| 152 | 30822 | 52 | return (int)(&line[rpos + 2] - line_start); /* rpos is at the closing quote */ | |
| 153 | - | |||
| 154 | - | end_error: | ||
| 155 | 4 | 54 | git_buf_dispose(&buf); | |
| 156 | - | |||
| 157 | 4 | 55 | return -1; | |
| 158 | - | } | ||
| 159 | - | |||
| 160 | ![]() |
- | 2 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files)static int parse_section_header(git_config_parser *reader, char **section_out) |
| 161 | - | { | ||
| 162 | - | char *name, *name_end; | ||
| 163 | - | int name_length, c, pos; | ||
| 164 | - | int result; | ||
| 165 | - | char *line; | ||
| 166 | - | size_t line_len; | ||
| 167 | - | |||
| 168 | - | 2 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git_parse_advance_ws(&reader->ctx); | |
| 169 | - | 3 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) line = git__strndup(reader->ctx.line, reader->ctx.line_len); | |
| 170 | - | 4 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (line == NULL) | |
| 171 | - | 5 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return -1; | |
| 172 | - | |||
| 173 | - | /* find the end of the variable's name */ | ||
| 174 | - | 6 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name_end = strrchr(line, ']'); | |
| 175 | - | 6 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (name_end == NULL) { | |
| 176 | - | 7 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
| 177 | - | 8 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) set_parse_error(reader, 0, "missing ']' in section header"); | |
| 178 | - | 9 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return -1; | |
| 179 | - | } | ||
| 180 | - | |||
| 181 | - | 10-16 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) GIT_ERROR_CHECK_ALLOC_ADD(&line_len, (size_t)(name_end - line), 1); | |
| 182 | - | 17 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name = git__malloc(line_len); | |
| 183 | - | 18,19 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) GIT_ERROR_CHECK_ALLOC(name); | |
| 184 | - | |||
| 185 | - | 20 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name_length = 0; | |
| 186 | - | 20 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) pos = 0; | |
| 187 | - | |||
| 188 | - | /* Make sure we were given a section header */ | ||
| 189 | - | 20 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) c = line[pos++]; | |
| 190 | - | 20,21 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) assert(c == '['); | |
| 191 | - | |||
| 192 | - | 22 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) c = line[pos++]; | |
| 193 | - | |||
| 194 | - | do { | ||
| 195 | - | 23,24 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (git__isspace(c)){ | |
| 196 | - | 25 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name[name_length] = '\0'; | |
| 197 | - | 25 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) result = parse_subsection_header(reader, line, pos, name, section_out); | |
| 198 | - | 26 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
| 199 | - | 27 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(name); | |
| 200 | - | 28 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return result; | |
| 201 | - | } | ||
| 202 | - | |||
| 203 | - | 29-31 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (!config_keychar(c) && c != '.') { | |
| 204 | - | 32 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) set_parse_error(reader, pos, "unexpected character in header"); | |
| 205 | - | 39 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) goto fail_parse; | |
| 206 | - | } | ||
| 207 | - | |||
| 208 | - | 33 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name[name_length++] = (char)git__tolower(c); | |
| 209 | - | |||
| 210 | - | 33 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) } while ((c = line[pos++]) != ']'); | |
| 211 | - | |||
| 212 | - | 34 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (line[pos - 1] != ']') { | |
| 213 | - | 35 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) set_parse_error(reader, pos, "unexpected end of file"); | |
| 214 | - | 36 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) goto fail_parse; | |
| 215 | - | } | ||
| 216 | - | |||
| 217 | - | 37 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
| 218 | - | |||
| 219 | - | 38 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name[name_length] = 0; | |
| 220 | - | 38 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) *section_out = name; | |
| 221 | - | |||
| 222 | - | 38 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return pos; | |
| 223 | - | |||
| 224 | - | fail_parse: | ||
| 225 | - | 40 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
| 226 | - | 41 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(name); | |
| 227 | - | 42 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return -1; | |
| 228 | - | } | ||
| 229 | - | |||
| 230 | 22971 | 2 | static int skip_bom(git_parse_ctx *parser) | |
| 231 | - | { | ||
| 232 | 22971 | 2 | git_buf buf = GIT_BUF_INIT_CONST(parser->content, parser->content_len); | |
| 233 | - | git_bom_t bom; | ||
| 234 | 22971 | 2 | int bom_offset = git_buf_text_detect_bom(&bom, &buf); | |
| 235 | - | |||
| 236 | 22972 | 3 | if (bom == GIT_BOM_UTF8) | |
| 237 | 5 | 4 | git_parse_advance_chars(parser, bom_offset); | |
| 238 | - | |||
| 239 | - | /* TODO: reference implementation is pretty stupid with BoM */ | ||
| 240 | - | |||
| 241 | 22972 | 5 | return 0; | |
| 242 | - | } | ||
| 243 | - | |||
| 244 | - | /* | ||
| 245 | - | (* basic types *) | ||
| 246 | - | digit = "0".."9" | ||
| 247 | - | integer = digit { digit } | ||
| 248 | - | alphabet = "a".."z" + "A" .. "Z" | ||
| 249 | - | |||
| 250 | - | section_char = alphabet | "." | "-" | ||
| 251 | - | extension_char = (* any character except newline *) | ||
| 252 | - | any_char = (* any character *) | ||
| 253 | - | variable_char = "alphabet" | "-" | ||
| 254 | - | |||
| 255 | - | |||
| 256 | - | (* actual grammar *) | ||
| 257 | - | config = { section } | ||
| 258 | - | |||
| 259 | - | section = header { definition } | ||
| 260 | - | |||
| 261 | - | header = "[" section [subsection | subsection_ext] "]" | ||
| 262 | - | |||
| 263 | - | subsection = "." section | ||
| 264 | - | subsection_ext = "\"" extension "\"" | ||
| 265 | - | |||
| 266 | - | section = section_char { section_char } | ||
| 267 | - | extension = extension_char { extension_char } | ||
| 268 | - | |||
| 269 | - | definition = variable_name ["=" variable_value] "\n" | ||
| 270 | - | |||
| 271 | - | variable_name = variable_char { variable_char } | ||
| 272 | - | variable_value = string | boolean | integer | ||
| 273 | - | |||
| 274 | - | string = quoted_string | plain_string | ||
| 275 | - | quoted_string = "\"" plain_string "\"" | ||
| 276 | - | plain_string = { any_char } | ||
| 277 | - | |||
| 278 | - | boolean = boolean_true | boolean_false | ||
| 279 | - | boolean_true = "yes" | "1" | "true" | "on" | ||
| 280 | - | boolean_false = "no" | "0" | "false" | "off" | ||
| 281 | - | */ | ||
| 282 | - | |||
| 283 | - | /* '\"' -> '"' etc */ | ||
| 284 | ![]() |
- | 2 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files)static int unescape_line( |
| 285 | - | char **out, bool *is_multi, const char *ptr, int quote_count) | ||
| 286 | - | { | ||
| 287 | - | char *str, *fixed, *esc; | ||
| 288 | - | 2 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) size_t ptr_len = strlen(ptr), alloc_len; | |
| 289 | - | |||
| 290 | - | 2 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *is_multi = false; | |
| 291 | - | |||
| 292 | - | 2-6 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if (GIT_ADD_SIZET_OVERFLOW(&alloc_len, ptr_len, 1) || | |
| 293 | - | 5 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) (str = git__malloc(alloc_len)) == NULL) { | |
| 294 | - | 7 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) return -1; | |
| 295 | - | } | ||
| 296 | - | |||
| 297 | - | 8 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) fixed = str; | |
| 298 | - | |||
| 299 | - | 8,21 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) while (*ptr != '\0') { | |
| 300 | - | 9 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if (*ptr == '"') { | |
| 301 | - | 10 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) quote_count++; | |
| 302 | - | 11 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) } else if (*ptr != '\\') { | |
| 303 | - | 12 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *fixed++ = *ptr; | |
| 304 | - | } else { | ||
| 305 | - | /* backslash, check the next char */ | ||
| 306 | - | 13 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) ptr++; | |
| 307 | - | /* if we're at the end, it's a multiline, so keep the backslash */ | ||
| 308 | - | 13 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if (*ptr == '\0') { | |
| 309 | - | 14 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *is_multi = true; | |
| 310 | - | 14 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) goto done; | |
| 311 | - | } | ||
| 312 | - | 15 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if ((esc = strchr(git_config_escapes, *ptr)) != NULL) { | |
| 313 | - | 16 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *fixed++ = git_config_escaped[esc - git_config_escapes]; | |
| 314 | - | } else { | ||
| 315 | - | 17 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) git__free(str); | |
| 316 | - | 18 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) git_error_set(GIT_ERROR_CONFIG, "invalid escape at %s", ptr); | |
| 317 | - | 19 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) return -1; | |
| 318 | - | } | ||
| 319 | - | } | ||
| 320 | - | 20 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) ptr++; | |
| 321 | - | } | ||
| 322 | - | |||
| 323 | - | done: | ||
| 324 | - | 22 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *fixed = '\0'; | |
| 325 | - | 22 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *out = str; | |
| 326 | - | |||
| 327 | - | 22 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) return 0; | |
| 328 | - | } | ||
| 329 | - | |||
| 330 | ![]() |
7 | 2 | static int parse_multiline_variable(git_config_parser *reader, git_buf *value, int in_quotes) |
| 331 | - | { | ||
| 332 | - | int quote_count; | ||
| 333 | 7 | 2 | bool multiline = true; | |
| 334 | - | |||
| 335 | 16 | 2,25 | while (multiline) { | |
| 336 | 11 | 3 | char *line = NULL, *proc_line = NULL; | |
| 337 | - | int error; | ||
| 338 | - | |||
| 339 | - | /* Check that the next line exists */ | ||
| 340 | 11 | 3 | git_parse_advance_line(&reader->ctx); | |
| 341 | 11 | 4 | line = git__strndup(reader->ctx.line, reader->ctx.line_len); | |
| 342 | 11 | 5,6,24 | GIT_ERROR_CHECK_ALLOC(line); | |
| 343 | - | |||
| 344 | - | /* | ||
| 345 | - | * We've reached the end of the file, there is no continuation. | ||
| 346 | - | * (this is not an error). | ||
| 347 | - | */ | ||
| 348 | 11 | 7 | if (line[0] == '\0') { | |
| 349 | 2 | 8 | error = 0; | |
| 350 | 2 | 8 | goto out; | |
| 351 | - | } | ||
| 352 | - | |||
| 353 | - | /* If it was just a comment, pretend it didn't exist */ | ||
| 354 | 9 | 9 | quote_count = strip_comments(line, !!in_quotes); | |
| 355 | 9 | 10 | if (line[0] == '\0') | |
| 356 | ##### | 11 | goto next; | |
| 357 | - | |||
| 358 | 9 | 12,13 | if ((error = unescape_line(&proc_line, &multiline, | |
| 359 | - | line, in_quotes)) < 0) | ||
| 360 | ##### | 14 | goto out; | |
| 361 | - | |||
| 362 | - | /* Add this line to the multiline var */ | ||
| 363 | 9 | 15,16 | if ((error = git_buf_puts(value, proc_line)) < 0) | |
| 364 | ##### | 17 | goto out; | |
| 365 | - | |||
| 366 | - | next: | ||
| 367 | 9 | 18 | git__free(line); | |
| 368 | 9 | 19 | git__free(proc_line); | |
| 369 | 9 | 20 | in_quotes = quote_count; | |
| 370 | 9 | 20 | continue; | |
| 371 | - | |||
| 372 | - | out: | ||
| 373 | 2 | 21 | git__free(line); | |
| 374 | 2 | 22 | git__free(proc_line); | |
| 375 | 2 | 23 | return error; | |
| 376 | - | } | ||
| 377 | - | |||
| 378 | 5 | 26 | return 0; | |
| 379 | - | } | ||
| 380 | - | |||
| 381 | 1175066 | 2 | GIT_INLINE(bool) is_namechar(char c) | |
| 382 | - | { | ||
| 383 | 1175066 | 2 | return isalnum(c) || c == '-'; | |
| 384 | - | } | ||
| 385 | - | |||
| 386 | ![]() |
124826 | 2 | static int parse_name( |
| 387 | - | char **name, const char **value, git_config_parser *reader, const char *line) | ||
| 388 | - | { | ||
| 389 | 124826 | 2 | const char *name_end = line, *value_start; | |
| 390 | - | |||
| 391 | 124826 | 2 | *name = NULL; | |
| 392 | 124826 | 2 | *value = NULL; | |
| 393 | - | |||
| 394 | 1175153 | 2,4-6 | while (*name_end && is_namechar(*name_end)) | |
| 395 | 1050327 | 3 | name_end++; | |
| 396 | - | |||
| 397 | 124789 | 7 | if (line == name_end) { | |
| 398 | ##### | 8 | set_parse_error(reader, 0, "invalid configuration key"); | |
| 399 | ##### | 9 | return -1; | |
| 400 | - | } | ||
| 401 | - | |||
| 402 | 124789 | 10 | value_start = name_end; | |
| 403 | - | |||
| 404 | 249414 | 10,12-14 | while (*value_start && git__isspace(*value_start)) | |
| 405 | 124625 | 11 | value_start++; | |
| 406 | - | |||
| 407 | 124787 | 15 | if (*value_start == '=') { | |
| 408 | 124776 | 16 | *value = value_start + 1; | |
| 409 | 11 | 17 | } else if (*value_start) { | |
| 410 | 3 | 18 | set_parse_error(reader, 0, "invalid configuration key"); | |
| 411 | 3 | 19 | return -1; | |
| 412 | - | } | ||
| 413 | - | |||
| 414 | 124792 | 20,21 | if ((*name = git__strndup(line, name_end - line)) == NULL) | |
| 415 | ##### | 22 | return -1; | |
| 416 | - | |||
| 417 | 124792 | 23 | return 0; | |
| 418 | - | } | ||
| 419 | - | |||
| 420 | ![]() |
124790 | 2 | static int parse_variable(git_config_parser *reader, char **var_name, char **var_value) |
| 421 | - | { | ||
| 422 | 124790 | 2 | const char *value_start = NULL; | |
| 423 | 124790 | 2 | char *line = NULL, *name = NULL, *value = NULL; | |
| 424 | - | int quote_count, error; | ||
| 425 | - | bool multiline; | ||
| 426 | - | |||
| 427 | 124790 | 2 | *var_name = NULL; | |
| 428 | 124790 | 2 | *var_value = NULL; | |
| 429 | - | |||
| 430 | 124790 | 2 | git_parse_advance_ws(&reader->ctx); | |
| 431 | 124787 | 3 | line = git__strndup(reader->ctx.line, reader->ctx.line_len); | |
| 432 | 124787 | 4,5 | GIT_ERROR_CHECK_ALLOC(line); | |
| 433 | - | |||
| 434 | 124787 | 6 | quote_count = strip_comments(line, 0); | |
| 435 | - | |||
| 436 | 124792 | 7,8 | if ((error = parse_name(&name, &value_start, reader, line)) < 0) | |
| 437 | 3 | 9 | goto out; | |
| 438 | - | |||
| 439 | - | /* | ||
| 440 | - | * Now, let's try to parse the value | ||
| 441 | - | */ | ||
| 442 | 124789 | 10 | if (value_start != NULL) { | |
| 443 | 239683 | 11,13,14 | while (git__isspace(value_start[0])) | |
| 444 | 114900 | 12 | value_start++; | |
| 445 | - | |||
| 446 | 124783 | 15,16 | if ((error = unescape_line(&value, &multiline, value_start, 0)) < 0) | |
| 447 | 1 | 17 | goto out; | |
| 448 | - | |||
| 449 | 124782 | 18 | if (multiline) { | |
| 450 | 7 | 19 | git_buf multi_value = GIT_BUF_INIT; | |
| 451 | 7 | 19 | git_buf_attach(&multi_value, value, 0); | |
| 452 | 7 | 20 | value = NULL; | |
| 453 | - | |||
| 454 | 7 | 20,21,23 | if (parse_multiline_variable(reader, &multi_value, quote_count) < 0 || | |
| 455 | 7 | 22 | git_buf_oom(&multi_value)) { | |
| 456 | ##### | 24 | error = -1; | |
| 457 | ##### | 24 | git_buf_dispose(&multi_value); | |
| 458 | ##### | 25 | goto out; | |
| 459 | - | } | ||
| 460 | - | |||
| 461 | 7 | 26,27 | value = git_buf_detach(&multi_value); | |
| 462 | - | } | ||
| 463 | - | } | ||
| 464 | - | |||
| 465 | 124788 | 28 | *var_name = name; | |
| 466 | 124788 | 28 | *var_value = value; | |
| 467 | 124788 | 28 | name = NULL; | |
| 468 | 124788 | 28 | value = NULL; | |
| 469 | - | |||
| 470 | - | out: | ||
| 471 | 124792 | 29 | git__free(name); | |
| 472 | 124788 | 30 | git__free(value); | |
| 473 | 124773 | 31 | git__free(line); | |
| 474 | 124793 | 32 | return error; | |
| 475 | - | } | ||
| 476 | - | |||
| 477 | 4672 | 2 | int git_config_parser_init(git_config_parser *out, const char *path, const char *data, size_t datalen) | |
| 478 | - | { | ||
| 479 | 4672 | 2 | out->path = path; | |
| 480 | 4672 | 2 | return git_parse_ctx_init(&out->ctx, data, datalen); | |
| 481 | - | } | ||
| 482 | - | |||
| 483 | 4673 | 2 | void git_config_parser_dispose(git_config_parser *parser) | |
| 484 | - | { | ||
| 485 | 4673 | 2 | git_parse_ctx_clear(&parser->ctx); | |
| 486 | 4673 | 3 | } | |
| 487 | - | |||
| 488 | ![]() |
22975 | 2 | int git_config_parse( |
| 489 | - | git_config_parser *parser, | ||
| 490 | - | git_config_parser_section_cb on_section, | ||
| 491 | - | git_config_parser_variable_cb on_variable, | ||
| 492 | - | git_config_parser_comment_cb on_comment, | ||
| 493 | - | git_config_parser_eof_cb on_eof, | ||
| 494 | - | void *payload) | ||
| 495 | - | { | ||
| 496 | - | git_parse_ctx *ctx; | ||
| 497 | 22975 | 2 | char *current_section = NULL, *var_name = NULL, *var_value = NULL; | |
| 498 | 22975 | 2 | int result = 0; | |
| 499 | - | |||
| 500 | 22975 | 2 | ctx = &parser->ctx; | |
| 501 | - | |||
| 502 | 22975 | 2 | skip_bom(ctx); | |
| 503 | - | |||
| 504 | 201844 | 3,34,35 | for (; ctx->remain_len > 0; git_parse_advance_line(ctx)) { | |
| 505 | - | const char *line_start; | ||
| 506 | - | size_t line_len; | ||
| 507 | - | char c; | ||
| 508 | - | |||
| 509 | - | restart: | ||
| 510 | 178904 | 4 | line_start = ctx->line; | |
| 511 | 178904 | 4 | line_len = ctx->line_len; | |
| 512 | - | |||
| 513 | - | /* | ||
| 514 | - | * Get either first non-whitespace character or, if that does | ||
| 515 | - | * not exist, the first whitespace character. This is required | ||
| 516 | - | * to preserve whitespaces when writing back the file. | ||
| 517 | - | */ | ||
| 518 | 178917 | 4,5,7 | if (git_parse_peek(&c, ctx, GIT_PARSE_PEEK_SKIP_WHITESPACE) < 0 && | |
| 519 | 1397 | 6 | git_parse_peek(&c, ctx, 0) < 0) | |
| 520 | ##### | 8 | continue; | |
| 521 | - | |||
| 522 | 178917 | 9 | switch (c) { | |
| 523 | - | case '[': /* section header, new section begins */ | ||
| 524 | 52700 | 10 | git__free(current_section); | |
| 525 | 52702 | 11 | current_section = NULL; | |
| 526 | - | |||
| 527 | 52702 | 11 | result = parse_section_header(parser, ¤t_section); | |
| 528 | 52695 | 12 | if (result < 0) | |
| 529 | 3 | 13 | break; | |
| 530 | - | |||
| 531 | 52692 | 14 | git_parse_advance_chars(ctx, result); | |
| 532 | - | |||
| 533 | 52693 | 15 | if (on_section) | |
| 534 | 9423 | 16 | result = on_section(parser, current_section, line_start, line_len, payload); | |
| 535 | - | /* | ||
| 536 | - | * After we've parsed the section header we may not be | ||
| 537 | - | * done with the line. If there's still data in there, | ||
| 538 | - | * run the next loop with the rest of the current line | ||
| 539 | - | * instead of moving forward. | ||
| 540 | - | */ | ||
| 541 | - | |||
| 542 | 52693 | 17,18 | if (!git_parse_peek(&c, ctx, GIT_PARSE_PEEK_SKIP_WHITESPACE)) | |
| 543 | 8 | 19 | goto restart; | |
| 544 | - | |||
| 545 | 52683 | 20 | break; | |
| 546 | - | |||
| 547 | - | case '\n': /* comment or whitespace-only */ | ||
| 548 | - | case '\r': | ||
| 549 | - | case ' ': | ||
| 550 | - | case '\t': | ||
| 551 | - | case ';': | ||
| 552 | - | case '#': | ||
| 553 | 1426 | 21 | if (on_comment) { | |
| 554 | 218 | 22 | result = on_comment(parser, line_start, line_len, payload); | |
| 555 | - | } | ||
| 556 | 1426 | 23 | break; | |
| 557 | - | |||
| 558 | - | default: /* assume variable declaration */ | ||
| 559 | 124792 | 24-26 | if ((result = parse_variable(parser, &var_name, &var_value)) == 0 && on_variable) { | |
| 560 | 124788 | 27 | result = on_variable(parser, current_section, var_name, var_value, line_start, line_len, payload); | |
| 561 | 124787 | 28 | git__free(var_name); | |
| 562 | 124799 | 29 | git__free(var_value); | |
| 563 | - | } | ||
| 564 | - | |||
| 565 | 124800 | 30 | break; | |
| 566 | - | } | ||
| 567 | - | |||
| 568 | 178912 | 31 | if (result < 0) | |
| 569 | 178885 | 32,33 | goto out; | |
| 570 | - | } | ||
| 571 | - | |||
| 572 | 22948 | 36 | if (on_eof) | |
| 573 | 4664 | 37 | result = on_eof(parser, current_section, payload); | |
| 574 | - | |||
| 575 | - | out: | ||
| 576 | 22975 | 38 | git__free(current_section); | |
| 577 | 22977 | 39 | return result; | |
| 578 | - | } |