| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "ini.h" | ||
| 2 | #include "util/debug.h" | ||
| 3 | #include "util/str-util.h" | ||
| 4 | |||
| 5 | /* | ||
| 6 | * This is a "pull" style INI parser that returns true (and fills | ||
| 7 | * ctx->name and ctx->value) for each name=value pair encountered, | ||
| 8 | * or false when there's nothing further to parse. The current | ||
| 9 | * section name is tracked as ctx->section and lines that aren't | ||
| 10 | * actionable by the caller (i.e. section/comment/blank/invalid | ||
| 11 | * lines) are skipped over without returning anything. | ||
| 12 | * | ||
| 13 | * Note that "inline" comments are not supported, since the | ||
| 14 | * EditorConfig specification forbids them and that's the only | ||
| 15 | * use case in this codebase (see commit a61b90f630cd6a32). | ||
| 16 | */ | ||
| 17 | 40 | bool ini_parse(IniParser *ctx) | |
| 18 | { | ||
| 19 | 40 | const char *input = ctx->input; | |
| 20 | 40 | const size_t len = ctx->input_len; | |
| 21 | 40 | size_t pos = ctx->pos; | |
| 22 | |||
| 23 |
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88 | while (pos < len) { |
| 24 | 83 | StringView line = buf_slice_next_line(input, &pos, len); | |
| 25 | 83 | strview_trim_left(&line); | |
| 26 |
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83 | if (line.length < 2 || line.data[0] == '#' || line.data[0] == ';') { |
| 27 | // Skip past comment/blank lines and lines that are too short | ||
| 28 | // to be valid (shorter than "k=") | ||
| 29 | 48 | continue; | |
| 30 | } | ||
| 31 | |||
| 32 | 56 | strview_trim_right(&line); | |
| 33 | 56 | BUG_ON(line.length == 0); | |
| 34 | |||
| 35 |
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56 | if (strview_remove_matching_prefix_and_suffix(&line, "[", "]")) { |
| 36 | // Keep track of (and skip past) section headings | ||
| 37 | 15 | ctx->section = line; | |
| 38 | 15 | ctx->name_count = 0; | |
| 39 | 15 | continue; | |
| 40 | } | ||
| 41 | |||
| 42 | 41 | size_t val_offset = 0; | |
| 43 | 41 | StringView name = get_delim(line.data, &val_offset, line.length, '='); | |
| 44 |
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41 | if (val_offset >= line.length) { |
| 45 | 4 | continue; // Invalid line (no delimiter) | |
| 46 | } | ||
| 47 | |||
| 48 | 37 | strview_trim_right(&name); | |
| 49 |
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37 | if (name.length == 0) { |
| 50 | 2 | continue; // Invalid line (empty name) | |
| 51 | } | ||
| 52 | |||
| 53 | 35 | StringView value = line; | |
| 54 | 35 | strview_remove_prefix(&value, val_offset); | |
| 55 | 35 | strview_trim_left(&value); | |
| 56 | |||
| 57 | 35 | ctx->name = name; | |
| 58 | 35 | ctx->value = value; | |
| 59 | 35 | ctx->name_count++; | |
| 60 | 35 | ctx->pos = pos; | |
| 61 | 35 | return true; | |
| 62 | } | ||
| 63 | |||
| 64 | return false; | ||
| 65 | } | ||
| 66 |