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author | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
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committer | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
commit | 6c8128f9fd5a5d0be115806c35a21b3d683df8d6 (patch) | |
tree | f46c2f6b3b9b294ff32bd75c08ccdc9e7a8cc4ef /sandbox/testAppNevena/Front/node_modules/ajv/lib/runtime/parseJson.ts | |
parent | 2400b84e95913665da6279114168148444b8f9ab (diff) | |
parent | 7d3640f824f46490b47bd95f1c5a16644f712068 (diff) |
Merge branch 'dev' of http://gitlab.pmf.kg.ac.rs/igrannonica/neuronstellar into logo
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/ajv/lib/runtime/parseJson.ts')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/ajv/lib/runtime/parseJson.ts | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/ajv/lib/runtime/parseJson.ts b/sandbox/testAppNevena/Front/node_modules/ajv/lib/runtime/parseJson.ts new file mode 100644 index 00000000..92579afe --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/ajv/lib/runtime/parseJson.ts @@ -0,0 +1,176 @@ +const rxParseJson = /position\s(\d+)$/ + +export function parseJson(s: string, pos: number): unknown { + let endPos: number | undefined + parseJson.message = undefined + let matches: RegExpExecArray | null + if (pos) s = s.slice(pos) + try { + parseJson.position = pos + s.length + return JSON.parse(s) + } catch (e) { + matches = rxParseJson.exec((e as Error).message) + if (!matches) { + parseJson.message = "unexpected end" + return undefined + } + endPos = +matches[1] + const c = s[endPos] + s = s.slice(0, endPos) + parseJson.position = pos + endPos + try { + return JSON.parse(s) + } catch (e1) { + parseJson.message = `unexpected token ${c}` + return undefined + } + } +} + +parseJson.message = undefined as string | undefined +parseJson.position = 0 as number +parseJson.code = 'require("ajv/dist/runtime/parseJson").parseJson' + +export function parseJsonNumber(s: string, pos: number, maxDigits?: number): number | undefined { + let numStr = "" + let c: string + parseJsonNumber.message = undefined + if (s[pos] === "-") { + numStr += "-" + pos++ + } + if (s[pos] === "0") { + numStr += "0" + pos++ + } else { + if (!parseDigits(maxDigits)) { + errorMessage() + return undefined + } + } + if (maxDigits) { + parseJsonNumber.position = pos + return +numStr + } + if (s[pos] === ".") { + numStr += "." + pos++ + if (!parseDigits()) { + errorMessage() + return undefined + } + } + if (((c = s[pos]), c === "e" || c === "E")) { + numStr += "e" + pos++ + if (((c = s[pos]), c === "+" || c === "-")) { + numStr += c + pos++ + } + if (!parseDigits()) { + errorMessage() + return undefined + } + } + parseJsonNumber.position = pos + return +numStr + + function parseDigits(maxLen?: number): boolean { + let digit = false + while (((c = s[pos]), c >= "0" && c <= "9" && (maxLen === undefined || maxLen-- > 0))) { + digit = true + numStr += c + pos++ + } + return digit + } + + function errorMessage(): void { + parseJsonNumber.position = pos + parseJsonNumber.message = pos < s.length ? `unexpected token ${s[pos]}` : "unexpected end" + } +} + +parseJsonNumber.message = undefined as string | undefined +parseJsonNumber.position = 0 as number +parseJsonNumber.code = 'require("ajv/dist/runtime/parseJson").parseJsonNumber' + +const escapedChars: {[X in string]?: string} = { + b: "\b", + f: "\f", + n: "\n", + r: "\r", + t: "\t", + '"': '"', + "/": "/", + "\\": "\\", +} + +const CODE_A: number = "a".charCodeAt(0) +const CODE_0: number = "0".charCodeAt(0) + +export function parseJsonString(s: string, pos: number): string | undefined { + let str = "" + let c: string | undefined + parseJsonString.message = undefined + // eslint-disable-next-line no-constant-condition, @typescript-eslint/no-unnecessary-condition + while (true) { + c = s[pos++] + if (c === '"') break + if (c === "\\") { + c = s[pos] + if (c in escapedChars) { + str += escapedChars[c] + pos++ + } else if (c === "u") { + pos++ + let count = 4 + let code = 0 + while (count--) { + code <<= 4 + c = s[pos] + if (c === undefined) { + errorMessage("unexpected end") + return undefined + } + c = c.toLowerCase() + if (c >= "a" && c <= "f") { + code += c.charCodeAt(0) - CODE_A + 10 + } else if (c >= "0" && c <= "9") { + code += c.charCodeAt(0) - CODE_0 + } else { + errorMessage(`unexpected token ${c}`) + return undefined + } + pos++ + } + str += String.fromCharCode(code) + } else { + errorMessage(`unexpected token ${c}`) + return undefined + } + // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition + } else if (c === undefined) { + errorMessage("unexpected end") + return undefined + } else { + if (c.charCodeAt(0) >= 0x20) { + str += c + } else { + errorMessage(`unexpected token ${c}`) + return undefined + } + } + } + parseJsonString.position = pos + return str + + function errorMessage(msg: string): void { + parseJsonString.position = pos + parseJsonString.message = msg + } +} + +parseJsonString.message = undefined as string | undefined +parseJsonString.position = 0 as number +parseJsonString.code = 'require("ajv/dist/runtime/parseJson").parseJsonString' |