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exclude datatype detection in its own trait

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This commit is contained in:
Susann Sgorzaly
2018-02-14 12:12:01 +01:00
parent 301f6da3e6
commit d788135bbe
3 changed files with 101 additions and 93 deletions
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3
composer.json
View File

@@ -14,7 +14,8 @@
],
"autoload": {
"classmap": [
"."
".",
"./extensions"
]
},
"require-dev": {

98
extensions/Datatype.php Normal file
View File

@@ -0,0 +1,98 @@
<?php
trait Datatype {
/**
* Datatypes
* Datatypes of CSV data-columns
*
* @access public
* @var array
*/
public $data_types = [];
/**
* Check data type
* Check for possible data types for one field value string.
*
* @access private
*
* @param string $value cell value
*
* @return string
*/
private function getDatatypeFromString($value) {
$value = trim((string) $value);
if (empty($value)) {
return 'unknown';
}
if (preg_match('/^(?i:true|false)$/', $value)) {
return 'boolean';
}
if (preg_match('/^[-+]?[0-9]\d*$/', $value)) {
return 'integer';
}
if (preg_match('/^[+-]?([0-9]*[.])?([0-9]|[.][0-9])+$/', $value)) {
return 'float';
}
if ((bool) strtotime($value)) {
return 'date';
}
return 'string';
}
/**
* Check data type for one column.
* Check for most commonly data type for one column.
*
* @access private
*
* @param [array] $datatypes
*
* @return [string|false]
*/
private function getMostFrequentDataypeForColumn($datatypes) {
if (isset($datatypes['unknown'])) {
unset($datatypes['unknown']);
}
$typesFreq = array_count_values($datatypes);
arsort($typesFreq);
reset($typesFreq);
return key($typesFreq);
}
/**
* Check data type foreach Column
* Check data type for each column and returns the most commonly.
*
* @access public
*
* @return [array|bool]
*/
public function getDatatypes() {
if (empty($this->data)) {
$this->data = $this->parse_string();
}
$result = [];
foreach ($this->titles as $cName) {
$column = array_column($this->data, $cName);
$cDatatypes = array_map([$this, 'getDatatypeFromString'], $column);
$result[$cName] = $this->getMostFrequentDataypeForColumn($cDatatypes);
}
$this->data_types = $result;
return !empty($this->data_types) ? $this->data_types : FALSE;
}
}

93
parsecsv.lib.php
View File

@@ -322,14 +322,7 @@ class parseCSV {
*/
public $data = array();
/**
* Datatypes
* Datatypes of CSV data-columns
*
* @access public
* @var array
*/
public $data_types = array();
use Datatype;
/**
* Constructor
@@ -544,90 +537,6 @@ class parseCSV {
return $this->delimiter;
}
/**
* Check data type
* Check for possible data types for one field value string.
*
* @access private
*
* @param [string] $value cell value
*
* @return [string]
*/
private function getDatatypeFromString($value){
$value = trim((string) $value);
if (empty($value)){
return 'unknown';
}
if (preg_match('/^(?i:true|false)$/', $value)){
return 'boolean';
}
if (preg_match('/^[-+]?[0-9]\d*$/', $value)){
return 'integer';
}
if (preg_match('/^[+-]?([0-9]*[.])?([0-9]|[.][0-9])+$/', $value)){
return 'float';
}
if ((bool)strtotime($value)){
return 'date';
}
return 'string';
}
/**
* Check data type for one column.
* Check for most commonly data type for one column.
*
* @access private
*
* @param [array] $datatypes
*
* @return [string|false]
*/
private function getMostCommonlyDataypeForColumn($datatypes){
if (isset($datatypes['unknown'])){
unset($datatypes['unknown']);
}
$typesFreq = array_count_values($datatypes);
arsort($typesFreq);
reset($typesFreq);
return key($typesFreq);
}
/**
* Check data type foreach Column
* Check data type for each column and returns the most commonly.
*
* @access public
*
* @return [array|bool]
*/
public function getDatatypes(){
if (empty($this->data)){
$this->data = $this->parse_string();
}
$result = [];
foreach ($this->titles as $cName){
$column = array_column($this->data, $cName);
$cDatatypes = array_map(array($this,'getDatatypeFromString'), $column);
$result[$cName] = $this->getMostCommonlyDataypeForColumn($cDatatypes);
}
$this->data_types = $result;
return !empty($this->data_types) ? $this->data_types : false;
}
// ==============================================
// ----- [ Core Functions ] ---------------------
// ==============================================