json: port min/max integer support to Python & JS

This commit is contained in:
Olivier Chafik 2024-06-08 21:33:24 +01:00
parent 3549702da7
commit e93368076b
2 changed files with 394 additions and 1 deletions

View file

@ -4,7 +4,7 @@ import itertools
import json import json
import re import re
import sys import sys
from typing import Any, Dict, List, Set, Tuple, Union from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Union
def _build_repetition(item_rule, min_items, max_items, separator_rule=None): def _build_repetition(item_rule, min_items, max_items, separator_rule=None):
@ -23,6 +23,169 @@ def _build_repetition(item_rule, min_items, max_items, separator_rule=None):
result = item_rule + ' ' + _build_repetition(f'({separator_rule} {item_rule})', min_items - 1 if min_items > 0 else 0, max_items - 1 if max_items is not None else None) result = item_rule + ' ' + _build_repetition(f'({separator_rule} {item_rule})', min_items - 1 if min_items > 0 else 0, max_items - 1 if max_items is not None else None)
return f'({result})?' if min_items == 0 else result return f'({result})?' if min_items == 0 else result
def _generate_min_max_int(min_value: Optional[int], max_value: Optional[int], out: list, decimals_left: int = 16, top_level: bool = True):
has_min = min_value != None
has_max = max_value != None
def digit_range(from_char: str, to_char: str):
out.append("[")
if from_char == to_char:
out.append(from_char)
else:
out.append(from_char)
out.append("-")
out.append(to_char)
out.append("]")
def more_digits(min_digits: int, max_digits: int):
out.append("[0-9]")
if min_digits == max_digits and min_digits == 1:
return
out.append("{")
out.append(str(min_digits))
if max_digits != min_digits:
out.append(",")
if max_digits != sys.maxsize:
out.append(str(max_digits))
out.append("}")
def uniform_range(from_str: str, to_str: str):
i = 0
while i < len(from_str) and from_str[i] == to_str[i]:
i += 1
if i > 0:
out.append("\"")
out.append(from_str[:i])
out.append("\"")
if i < len(from_str):
if i > 0:
out.append(" ")
sub_len = len(from_str) - i - 1
if sub_len > 0:
from_sub = from_str[i+1:]
to_sub = to_str[i+1:]
sub_zeros = "0" * sub_len
sub_nines = "9" * sub_len
to_reached = False
out.append("(")
if from_sub == sub_zeros:
digit_range(from_str[i], chr(ord(to_str[i]) - 1))
out.append(" ")
more_digits(sub_len, sub_len)
else:
out.append("[")
out.append(from_str[i])
out.append("] ")
out.append("(")
uniform_range(from_sub, sub_nines)
out.append(")")
if ord(from_str[i]) < ord(to_str[i]) - 1:
out.append(" | ")
if to_sub == sub_nines:
digit_range(chr(ord(from_str[i]) + 1), to_str[i])
to_reached = True
else:
digit_range(chr(ord(from_str[i]) + 1), chr(ord(to_str[i]) - 1))
out.append(" ")
more_digits(sub_len, sub_len)
if not to_reached:
out.append(" | ")
digit_range(to_str[i], to_str[i])
out.append(" ")
uniform_range(sub_zeros, to_sub)
out.append(")")
else:
out.append("[")
out.append(from_str[i])
out.append("-")
out.append(to_str[i])
out.append("]")
if has_min and has_max:
if min_value < 0 and max_value < 0:
out.append("\"-\" (")
_generate_min_max_int(-max_value, -min_value, out, decimals_left, top_level=True)
out.append(")")
return
if min_value < 0:
out.append("\"-\" (")
_generate_min_max_int(0, -min_value, out, decimals_left, top_level=True)
out.append(") | ")
min_value = 0
min_s = str(min_value)
max_s = str(max_value)
min_digits = len(min_s)
max_digits = len(max_s)
for digits in range(min_digits, max_digits):
uniform_range(min_s, "9" * digits)
min_s = "1" + "0" * digits
out.append(" | ")
uniform_range(min_s, max_s)
return
less_decimals = max(decimals_left - 1, 1)
if has_min:
if min_value < 0:
out.append("\"-\" (")
_generate_min_max_int(None, -min_value, out, decimals_left, top_level=False)
out.append(") | [0] | [1-9] ")
more_digits(0, decimals_left - 1)
elif min_value == 0:
if top_level:
out.append("[0] | [1-9] ")
more_digits(0, less_decimals)
else:
more_digits(1, decimals_left)
elif min_value <= 9:
c = str(min_value)
if min_value > (1 if top_level else 0):
digit_range("0", chr(ord(c) - 1))
out.append(" ")
more_digits(1, less_decimals)
out.append(" | ")
digit_range(c, "9")
out.append(" ")
more_digits(0, less_decimals)
else:
min_s = str(min_value)
length = len(min_s)
c = min_s[0]
if c > "1":
digit_range("1" if top_level else "0", chr(ord(c) - 1))
out.append(" ")
more_digits(length, less_decimals)
out.append(" | ")
digit_range(c, c)
out.append(" (")
_generate_min_max_int(int(min_s[1:]), None, out, less_decimals, top_level=False)
out.append(")")
if c < "9":
out.append(" | ")
digit_range(chr(ord(c) + 1), "9")
out.append(" ")
more_digits(length - 1, less_decimals)
return
if has_max:
if max_value >= 0:
if top_level:
out.append("\"-\" [1-9] ")
more_digits(0, less_decimals)
out.append(" | ")
_generate_min_max_int(0, max_value, out, decimals_left, top_level=True)
else:
out.append("\"-\" (")
_generate_min_max_int(-max_value, None, out, decimals_left, top_level=False)
out.append(")")
return
raise RuntimeError("At least one of min_value or max_value must be set")
class BuiltinRule: class BuiltinRule:
def __init__(self, content: str, deps: list = None): def __init__(self, content: str, deps: list = None):
@ -433,6 +596,24 @@ class SchemaConverter:
return self._add_rule(rule_name, r'"\"" ' + _build_repetition(char_rule, min_len, max_len) + r' "\"" space') return self._add_rule(rule_name, r'"\"" ' + _build_repetition(char_rule, min_len, max_len) + r' "\"" space')
elif schema_type in (None, 'integer') and \
('minimum' in schema or 'exclusiveMinimum' in schema or 'maximum' in schema or 'exclusiveMaximum' in schema):
min_value = None
max_value = None
if 'minimum' in schema:
min_value = schema['minimum']
elif 'exclusiveMinimum' in schema:
min_value = schema['exclusiveMinimum'] + 1
if 'maximum' in schema:
max_value = schema['maximum']
elif 'exclusiveMaximum' in schema:
max_value = schema['exclusiveMaximum'] - 1
out = ["("]
_generate_min_max_int(min_value, max_value, out)
out.append(") space")
return self._add_rule(rule_name, ''.join(out))
elif (schema_type == 'object') or (len(schema) == 0): elif (schema_type == 'object') or (len(schema) == 0):
return self._add_rule(rule_name, self._add_primitive('object', PRIMITIVE_RULES['object'])) return self._add_rule(rule_name, self._add_primitive('object', PRIMITIVE_RULES['object']))

View file

@ -24,6 +24,200 @@ function _buildRepetition(itemRule, minItems, maxItems, opts={}) {
return minItems === 0 ? `(${result})?` : result; return minItems === 0 ? `(${result})?` : result;
} }
function _generateMinMaxInt(minValue, maxValue, out, decimalsLeft = 16, topLevel = true) {
const hasMin = minValue !== null;
const hasMax = maxValue !== null;
function digitRange(fromChar, toChar) {
out.push("[");
if (fromChar === toChar) {
out.push(fromChar);
} else {
out.push(fromChar);
out.push("-");
out.push(toChar);
}
out.push("]");
}
function moreDigits(minDigits, maxDigits) {
out.push("[0-9]");
if (minDigits === maxDigits && minDigits === 1) {
return;
}
out.push("{");
out.push(minDigits.toString());
if (maxDigits !== minDigits) {
out.push(",");
if (maxDigits !== Number.MAX_SAFE_INTEGER) {
out.push(maxDigits.toString());
}
}
out.push("}");
}
function uniformRange(fromStr, toStr) {
let i = 0;
while (i < fromStr.length && fromStr[i] === toStr[i]) {
i++;
}
if (i > 0) {
out.push("\"");
out.push(fromStr.slice(0, i));
out.push("\"");
}
if (i < fromStr.length) {
if (i > 0) {
out.push(" ");
}
const subLen = fromStr.length - i - 1;
if (subLen > 0) {
const fromSub = fromStr.slice(i + 1);
const toSub = toStr.slice(i + 1);
const subZeros = "0".repeat(subLen);
const subNines = "9".repeat(subLen);
let toReached = false;
out.push("(");
if (fromSub === subZeros) {
digitRange(fromStr[i], String.fromCharCode(toStr.charCodeAt(i) - 1));
out.push(" ");
moreDigits(subLen, subLen);
} else {
out.push("[");
out.push(fromStr[i]);
out.push("] ");
out.push("(");
uniformRange(fromSub, subNines);
out.push(")");
if (fromStr.charCodeAt(i) < toStr.charCodeAt(i) - 1) {
out.push(" | ");
if (toSub === subNines) {
digitRange(String.fromCharCode(fromStr.charCodeAt(i) + 1), toStr[i]);
toReached = true;
} else {
digitRange(String.fromCharCode(fromStr.charCodeAt(i) + 1), String.fromCharCode(toStr.charCodeAt(i) - 1));
}
out.push(" ");
moreDigits(subLen, subLen);
}
}
if (!toReached) {
out.push(" | ");
digitRange(toStr[i], toStr[i]);
out.push(" ");
uniformRange(subZeros, toSub);
}
out.push(")");
} else {
out.push("[");
out.push(fromStr[i]);
out.push("-");
out.push(toStr[i]);
out.push("]");
}
}
}
if (hasMin && hasMax) {
if (minValue < 0 && maxValue < 0) {
out.push("\"-\" (");
_generateMinMaxInt(-maxValue, -minValue, out, decimalsLeft, true);
out.push(")");
return;
}
if (minValue < 0) {
out.push("\"-\" (");
_generateMinMaxInt(0, -minValue, out, decimalsLeft, true);
out.push(") | ");
minValue = 0;
}
let minS = minValue.toString();
const maxS = maxValue.toString();
const minDigits = minS.length;
const maxDigits = maxS.length;
for (let digits = minDigits; digits < maxDigits; digits++) {
uniformRange(minS, "9".repeat(digits));
minS = "1" + "0".repeat(digits);
out.push(" | ");
}
uniformRange(minS, maxS);
return;
}
const lessDecimals = Math.max(decimalsLeft - 1, 1);
if (hasMin) {
if (minValue < 0) {
out.push("\"-\" (");
_generateMinMaxInt(null, -minValue, out, decimalsLeft, false);
out.push(") | [0] | [1-9] ");
moreDigits(0, decimalsLeft - 1);
} else if (minValue === 0) {
if (topLevel) {
out.push("[0] | [1-9] ");
moreDigits(0, lessDecimals);
} else {
moreDigits(1, decimalsLeft);
}
} else if (minValue <= 9) {
const c = minValue.toString();
if (minValue > (topLevel ? 1 : 0)) {
digitRange("0", String.fromCharCode(c.charCodeAt(0) - 1));
out.push(" ");
moreDigits(1, lessDecimals);
out.push(" | ");
}
digitRange(c, "9");
out.push(" ");
moreDigits(0, lessDecimals);
} else {
const minS = minValue.toString();
const length = minS.length;
const c = minS[0];
if (c > "1") {
digitRange(topLevel ? "1" : "0", String.fromCharCode(c.charCodeAt(0) - 1));
out.push(" ");
moreDigits(length, lessDecimals);
out.push(" | ");
}
digitRange(c, c);
out.push(" (");
_generateMinMaxInt(parseInt(minS.slice(1)), null, out, lessDecimals, false);
out.push(")");
if (c < "9") {
out.push(" | ");
digitRange(String.fromCharCode(c.charCodeAt(0) + 1), "9");
out.push(" ");
moreDigits(length - 1, lessDecimals);
}
}
return;
}
if (hasMax) {
if (maxValue >= 0) {
if (topLevel) {
out.push("\"-\" [1-9] ");
moreDigits(0, lessDecimals);
out.push(" | ");
}
_generateMinMaxInt(0, maxValue, out, decimalsLeft, true);
} else {
out.push("\"-\" (");
_generateMinMaxInt(-maxValue, null, out, decimalsLeft, false);
out.push(")");
}
return;
}
throw new Error("At least one of minValue or maxValue must be set");
}
class BuiltinRule { class BuiltinRule {
constructor(content, deps) { constructor(content, deps) {
this.content = content; this.content = content;
@ -435,6 +629,24 @@ export class SchemaConverter {
const minLen = schema.minLength || 0; const minLen = schema.minLength || 0;
const maxLen = schema.maxLength; const maxLen = schema.maxLength;
return this._addRule(ruleName, '"\\\"" ' + _buildRepetition(charRuleName, minLen, maxLen) + ' "\\\"" space'); return this._addRule(ruleName, '"\\\"" ' + _buildRepetition(charRuleName, minLen, maxLen) + ' "\\\"" space');
} else if (schemaType === 'integer' && ('minimum' in schema || 'exclusiveMinimum' in schema || 'maximum' in schema || 'exclusiveMaximum' in schema)) {
let minValue = null;
let maxValue = null;
if ('minimum' in schema) {
minValue = schema.minimum;
} else if ('exclusiveMinimum' in schema) {
minValue = schema.exclusiveMinimum + 1;
}
if ('maximum' in schema) {
maxValue = schema.maximum;
} else if ('exclusiveMaximum' in schema) {
maxValue = schema.exclusiveMaximum - 1;
}
const out = ["("];
_generateMinMaxInt(minValue, maxValue, out);
out.push(") space");
return this._addRule(ruleName, out.join(''));
} else if ((schemaType === 'object') || (Object.keys(schema).length === 0)) { } else if ((schemaType === 'object') || (Object.keys(schema).length === 0)) {
return this._addRule(ruleName, this._addPrimitive('object', PRIMITIVE_RULES['object'])); return this._addRule(ruleName, this._addPrimitive('object', PRIMITIVE_RULES['object']));
} else { } else {