| 137 | } |
| 138 | |
| 139 | func (dec *Decoder) skipArray() (int, error) { |
| 140 | var arraysOpen = 1 |
| 141 | var arraysClosed = 0 |
| 142 | // var stringOpen byte = 0 |
| 143 | for j := dec.cursor; j < dec.length || dec.read(); j++ { |
| 144 | switch dec.data[j] { |
| 145 | case ']': |
| 146 | arraysClosed++ |
| 147 | // everything is closed return |
| 148 | if arraysOpen == arraysClosed { |
| 149 | // add char to object data |
| 150 | return j + 1, nil |
| 151 | } |
| 152 | case '[': |
| 153 | arraysOpen++ |
| 154 | case '"': |
| 155 | j++ |
| 156 | var isInEscapeSeq bool |
| 157 | var isFirstQuote = true |
| 158 | for ; j < dec.length || dec.read(); j++ { |
| 159 | if dec.data[j] != '"' { |
| 160 | continue |
| 161 | } |
| 162 | if dec.data[j-1] != '\\' || (!isInEscapeSeq && !isFirstQuote) { |
| 163 | break |
| 164 | } else { |
| 165 | isInEscapeSeq = false |
| 166 | } |
| 167 | if isFirstQuote { |
| 168 | isFirstQuote = false |
| 169 | } |
| 170 | // loop backward and count how many anti slash found |
| 171 | // to see if string is effectively escaped |
| 172 | ct := 0 |
| 173 | for i := j - 1; i > 0; i-- { |
| 174 | if dec.data[i] != '\\' { |
| 175 | break |
| 176 | } |
| 177 | ct++ |
| 178 | } |
| 179 | // is pair number of slashes, quote is not escaped |
| 180 | if ct&1 == 0 { |
| 181 | break |
| 182 | } |
| 183 | isInEscapeSeq = true |
| 184 | } |
| 185 | default: |
| 186 | continue |
| 187 | } |
| 188 | } |
| 189 | return 0, dec.raiseInvalidJSONErr(dec.cursor) |
| 190 | } |
| 191 | |
| 192 | // DecodeArrayFunc is a func type implementing UnmarshalerJSONArray. |
| 193 | // Use it to cast a `func(*Decoder) error` to Unmarshal an array on the fly. |