From c9ff2eb900fd75c5482733861e1d0de43b16cb38 Mon Sep 17 00:00:00 2001
From: Peter Goodhall <peter@magicbug.co.uk>
Date: Sat, 19 Nov 2011 22:30:19 +0000
Subject: [PATCH] Added ADIF Features

---
 application/libraries/adif_parser.php     | 115 ++++++++++++++++++++++
 application/views/adif/import.php         |  16 +++
 application/views/adif/import_success.php |   6 ++
 3 files changed, 137 insertions(+)
 create mode 100644 application/libraries/adif_parser.php
 create mode 100644 application/views/adif/import.php
 create mode 100644 application/views/adif/import_success.php

diff --git a/application/libraries/adif_parser.php b/application/libraries/adif_parser.php
new file mode 100644
index 00000000..6352a369
--- /dev/null
+++ b/application/libraries/adif_parser.php
@@ -0,0 +1,115 @@
+<?php
+/*
+   Copyright 2011 Jason Harris KJ4IWX
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+class ADIF_Parser
+{
+
+	var $data; //the adif data
+	var $i; //the iterator
+	var $current_line; //stores information about the current qso
+	
+	public function initialize() //this function locates the <EOH>
+	{
+		$pos = stripos($this->data, "<eoh>");
+		if($pos == false) //did we find the end of headers?
+		{
+			echo "Error: Adif_Parser Already Initialized or No <EOH> in ADIF File";
+			return 0;
+		};
+		$this->i = $pos+5; //iterate past the <eoh>
+		if($this->i >= strlen($this->data)) //is this the end of the file?
+		{
+			echo "Error: ADIF File Does Not Contain Any QSOs";
+			return 0;
+		};
+		return 1;
+	}
+	
+	public function feed($input_data) //allows the parser to be fed a string
+	{
+		$this->data = $input_data;
+	}
+	
+	public function load_from_file($fname) //allows the user to accept a filename as input
+	{
+		$this->data = file_get_contents($fname);
+	}
+	
+	//the following function does the processing of the array into its key and value pairs
+	public function record_to_array($record)
+	{
+		$return = array();
+		for($a = 0; $a < strlen($record); $a++)
+		{
+			if($record[$a] == '<') //find the start of the tag
+			{
+				$tag_name = "";
+				$value = "";
+				$len_str = "";
+				$len = 0;
+				$a++; //go past the <
+				while($record[$a] != ':') //get the tag
+				{
+					$tag_name = $tag_name.$record[$a]; //append this char to the tag name
+					$a++;
+				};
+				$a++; //iterate past the colon
+				while($record[$a] != '>' && $record[$a] != ':')
+				{
+					$len_str = $len_str.$record[$a];
+					$a++;
+				};
+				if($record[$a] == ':')
+				{
+					while($record[$a] != '>')
+					{
+						$a++;
+					};
+				};
+				$a++; //iterate over the >
+				$len = (int)$len_str;
+				while($len > 0)
+				{
+					$value = $value.$record[$a];
+					$len--;
+					$a++;
+				};
+				$return[strtolower($tag_name)] = $value;
+			};
+		};
+		return $return;
+	}
+	
+	
+	//finds the next record in the file
+	public function get_record()
+	{
+		if($this->i >= strlen($this->data))
+		{
+			return array(); //return nothing
+		};
+		$end = stripos($this->data, "<eor>", $this->i);
+		if($end == false) //is this the end?
+		{
+			return array(); //return nothing
+		};
+		$record = substr($this->data, $this->i, $end-$this->i);
+		$this->i = $end+5;
+		return $this->record_to_array($record); //process and return output
+ 	}
+}
+?>
\ No newline at end of file
diff --git a/application/views/adif/import.php b/application/views/adif/import.php
new file mode 100644
index 00000000..58f62df5
--- /dev/null
+++ b/application/views/adif/import.php
@@ -0,0 +1,16 @@
+<div id="container">
+<h2><?php echo $page_title; ?></h2>
+
+<?php echo $error;?>
+
+<?php echo form_open_multipart('adif/import');?>
+
+<input type="file" name="userfile" size="20" />
+
+<br /><br />
+
+<input class="btn primary" type="submit" value="Upload" />
+
+</form>
+
+</div>
diff --git a/application/views/adif/import_success.php b/application/views/adif/import_success.php
new file mode 100644
index 00000000..7db3d229
--- /dev/null
+++ b/application/views/adif/import_success.php
@@ -0,0 +1,6 @@
+<div id="container">
+<h2>ADIF Imported</h2>
+
+<p>The ADIF File has been imported, and any dupes skipped.</p>
+
+</div>