117 行
无行尾
2.8 KiB
PHP
117 行
无行尾
2.8 KiB
PHP
<?php
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/*
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Copyright 2011 Jason Harris KJ4IWX
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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class ADIF_Parser
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{
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var $data; //the adif data
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var $i; //the iterator
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var $current_line; //stores information about the current qso
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public function initialize() //this function locates the <EOH>
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{
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$pos = stripos($this->data, "<eoh>");
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if($pos == false) //did we find the end of headers?
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{
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echo "Error: Adif_Parser Already Initialized or No <EOH> in ADIF File";
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return 0;
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};
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$this->i = $pos+5; //iterate past the <eoh>
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if($this->i >= strlen($this->data)) //is this the end of the file?
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{
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echo "Error: ADIF File Does Not Contain Any QSOs";
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return 0;
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};
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return 1;
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}
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public function feed($input_data) //allows the parser to be fed a string
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{
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$this->data = $input_data;
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}
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public function load_from_file($fname) //allows the user to accept a filename as input
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{
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$this->data = file_get_contents($fname);
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}
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//the following function does the processing of the array into its key and value pairs
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public function record_to_array($record)
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{
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$return = array();
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for($a = 0; $a < strlen($record); $a++)
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{
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if($record[$a] == '<') //find the start of the tag
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{
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$tag_name = "";
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$value = "";
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$len_str = "";
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$len = 0;
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$a++; //go past the <
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while($record[$a] != ':') //get the tag
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{
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$tag_name = $tag_name.$record[$a]; //append this char to the tag name
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$a++;
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};
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$a++; //iterate past the colon
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while($record[$a] != '>' && $record[$a] != ':')
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{
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$len_str = $len_str.$record[$a];
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$a++;
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};
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if($record[$a] == ':')
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{
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while($record[$a] != '>')
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{
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$a++;
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};
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};
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$a++; //iterate over the >
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$len = (int)$len_str;
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while($len > 0)
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{
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$value = $value.$record[$a];
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$len--;
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$a++;
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};
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$return[strtolower($tag_name)] = $value;
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};
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};
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return $return;
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}
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//finds the next record in the file
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public function get_record()
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{
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if($this->i >= strlen($this->data))
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{
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return array(); //return nothing
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};
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$end = stripos($this->data, "<eor>", $this->i);
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if($end == false) //is this the end?
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{
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return array(); //return nothing
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};
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$record = substr($this->data, $this->i, $end-$this->i);
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$this->i = $end+5;
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return $this->record_to_array($record); //process and return output
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}
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}
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?>
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