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43 lines
961 B
43 lines
961 B
<?php
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// namespace ISO8583;
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/**
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* 定义协议
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*/
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class Protocol
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{
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protected $schema = [];
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public function __construct($schema = null)
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{
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$schema = $schema === null ? implode(DIRECTORY_SEPARATOR, [__DIR__, 'Schema.json']) : $schema;
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if (!file_exists($schema)) {
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throw new \Exception('未知Schema定义文件: ' . $schema);
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}
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$schemaJSON = json_decode(file_get_contents($schema), true);
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if ($schemaJSON === null) {
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throw new \Exception('Schema定义文件非标准JSON文件: ' . $schema);
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}
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foreach($schemaJSON as $field => $data)
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{
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$this->setFieldData((int)$field, $data);
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}
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}
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public function getFieldData($field)
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{
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if (!isset($this->schema[$field]))
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{
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throw new \Exception('Schema定义文件中找不到字段：' . $field);
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}
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return $this->schema[$field];
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}
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public function setFieldData($field, $data)
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{
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$this->schema[$field] = $data;
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}
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}
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