SYS-REQ-115
(config Config, data []byte, callback func(key []byte, value []byte, dataType ValueType, offset int) error, keys ...string)
| 1853 | |
| 1854 | // SYS-REQ-115 |
| 1855 | func objectEachConfig(config Config, data []byte, callback func(key []byte, value []byte, dataType ValueType, offset int) error, keys ...string) (err error) { |
| 1856 | offset := 0 |
| 1857 | |
| 1858 | // Descend to the desired key, if requested |
| 1859 | if len(keys) > 0 { |
| 1860 | if off := searchKeysConfig(config, data, keys...); off == -1 { |
| 1861 | return KeyPathNotFoundError |
| 1862 | } else { |
| 1863 | offset = off |
| 1864 | } |
| 1865 | } |
| 1866 | |
| 1867 | // Validate and skip past opening brace |
| 1868 | if off := nextTokenConfig(config, data[offset:]); off == -1 { |
| 1869 | return MalformedObjectError |
| 1870 | } else if offset += off; data[offset] != '{' { |
| 1871 | return MalformedObjectError |
| 1872 | } else { |
| 1873 | offset++ |
| 1874 | } |
| 1875 | |
| 1876 | // Skip to the first token inside the object, or stop if we find the ending brace |
| 1877 | if off := nextTokenConfig(config, data[offset:]); off == -1 { |
| 1878 | return MalformedJsonError |
| 1879 | } else if offset += off; data[offset] == '}' { |
| 1880 | return nil |
| 1881 | } |
| 1882 | |
| 1883 | // Loop pre-condition: data[offset] points to what should be either the next entry's key, |
| 1884 | // or the closing brace (if it's anything else, the JSON is malformed). |
| 1885 | // Every iteration either returns or advances offset past a token, so the loop |
| 1886 | // always exits via return; the former `offset < len(data)` guard was structurally |
| 1887 | // always true because internal nextToken/stringEnd calls return errors before |
| 1888 | // offset can reach len(data). |
| 1889 | for { |
| 1890 | // Step 1: find the next key |
| 1891 | var key []byte |
| 1892 | |
| 1893 | // Check what the the next token is: start of string, end of object, or something else (error) |
| 1894 | switch data[offset] { |
| 1895 | case '"': |
| 1896 | offset++ // accept as string and skip opening quote |
| 1897 | case '\'': |
| 1898 | if !config.AllowSingleQuotes { |
| 1899 | return MalformedObjectError |
| 1900 | } |
| 1901 | offset++ // accept as string and skip opening quote |
| 1902 | case '}': |
| 1903 | return nil // we found the end of the object; stop and return success |
| 1904 | default: |
| 1905 | return MalformedObjectError |
| 1906 | } |
| 1907 | |
| 1908 | // Find the end of the key string |
| 1909 | var keyEscaped bool |
| 1910 | quote := data[offset-1] |
| 1911 | if off, esc := stringEndConfig(config, data[offset:], quote); off == -1 { |
| 1912 | return MalformedJsonError |
no test coverage detected