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<?php
namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
class Formatter
{
/**
* Matches any @ symbol that isn't enclosed in quotes.
*/
private const SYMBOL_AT = '/@(?=(?:[^"]*"[^"]*")*[^"]*\Z)/miu';
/**
* Matches any ; symbol that isn't enclosed in quotes, for a "section" split.
*/
private const SECTION_SPLIT = '/;(?=(?:[^"]*"[^"]*")*[^"]*\Z)/miu';
/**
* @param mixed $value
* @param mixed $comparisonValue
* @param mixed $defaultComparisonValue
*/
private static function splitFormatComparison(
$value,
?string $condition,
$comparisonValue,
string $defaultCondition,
$defaultComparisonValue
): bool {
if (!$condition) {
$condition = $defaultCondition;
$comparisonValue = $defaultComparisonValue;
}
switch ($condition) {
case '>':
return $value > $comparisonValue;
case '<':
return $value < $comparisonValue;
case '<=':
return $value <= $comparisonValue;
case '<>':
return $value != $comparisonValue;
case '=':
return $value == $comparisonValue;
}
return $value >= $comparisonValue;
}
/** @param mixed $value */
private static function splitFormatForSectionSelection(array $sections, $value): array
{
// Extract the relevant section depending on whether number is positive, negative, or zero?
// Text not supported yet.
// Here is how the sections apply to various values in Excel:
// 1 section: [POSITIVE/NEGATIVE/ZERO/TEXT]
// 2 sections: [POSITIVE/ZERO/TEXT] [NEGATIVE]
// 3 sections: [POSITIVE/TEXT] [NEGATIVE] [ZERO]
// 4 sections: [POSITIVE] [NEGATIVE] [ZERO] [TEXT]
$sectionCount = count($sections);
$color_regex = '/\\[(' . implode('|', Color::NAMED_COLORS) . ')\\]/mui';
$cond_regex = '/\\[(>|>=|<|<=|=|<>)([+-]?\\d+([.]\\d+)?)\\]/';
$colors = ['', '', '', '', ''];
$conditionOperations = ['', '', '', '', ''];
$conditionComparisonValues = [0, 0, 0, 0, 0];
for ($idx = 0; $idx < $sectionCount; ++$idx) {
if (preg_match($color_regex, $sections[$idx], $matches)) {
$colors[$idx] = $matches[0];
$sections[$idx] = (string) preg_replace($color_regex, '', $sections[$idx]);
}
if (preg_match($cond_regex, $sections[$idx], $matches)) {
$conditionOperations[$idx] = $matches[1];
$conditionComparisonValues[$idx] = $matches[2];
$sections[$idx] = (string) preg_replace($cond_regex, '', $sections[$idx]);
}
}
$color = $colors[0];
$format = $sections[0];
$absval = $value;
switch ($sectionCount) {
case 2:
$absval = abs($value);
if (!self::splitFormatComparison($value, $conditionOperations[0], $conditionComparisonValues[0], '>=', 0)) {
$color = $colors[1];
$format = $sections[1];
}
break;
case 3:
case 4:
$absval = abs($value);
if (!self::splitFormatComparison($value, $conditionOperations[0], $conditionComparisonValues[0], '>', 0)) {
if (self::splitFormatComparison($value, $conditionOperations[1], $conditionComparisonValues[1], '<', 0)) {
$color = $colors[1];
$format = $sections[1];
} else {
$color = $colors[2];
$format = $sections[2];
}
}
break;
}
return [$color, $format, $absval];
}
/**
* Convert a value in a pre-defined format to a PHP string.
*
* @param null|bool|float|int|RichText|string $value Value to format
* @param string $format Format code: see = self::FORMAT_* for predefined values;
* or can be any valid MS Excel custom format string
* @param array $callBack Callback function for additional formatting of string
*
* @return string Formatted string
*/
public static function toFormattedString($value, $format, $callBack = null)
{
if (is_bool($value)) {
return $value ? Calculation::getTRUE() : Calculation::getFALSE();
}
// For now we do not treat strings in sections, although section 4 of a format code affects strings
// Process a single block format code containing @ for text substitution
if (preg_match(self::SECTION_SPLIT, $format) === 0 && preg_match(self::SYMBOL_AT, $format) === 1) {
return str_replace('"', '', preg_replace(self::SYMBOL_AT, (string) $value, $format) ?? '');
}
// If we have a text value, return it "as is"
if (!is_numeric($value)) {
return (string) $value;
}
// For 'General' format code, we just pass the value although this is not entirely the way Excel does it,
// it seems to round numbers to a total of 10 digits.
if (($format === NumberFormat::FORMAT_GENERAL) || ($format === NumberFormat::FORMAT_TEXT)) {
return (string) $value;
}
// Ignore square-$-brackets prefix in format string, like "[$-411]ge.m.d", "[$-010419]0%", etc
$format = (string) preg_replace('/^\[\$-[^\]]*\]/', '', $format);
$format = (string) preg_replace_callback(
'/(["])(?:(?=(\\\\?))\\2.)*?\\1/u',
function ($matches) {
return str_replace('.', chr(0x00), $matches[0]);
},
$format
);
// Convert any other escaped characters to quoted strings, e.g. (\T to "T")
$format = (string) preg_replace('/(\\\(((.)(?!((AM\/PM)|(A\/P))))|([^ ])))(?=(?:[^"]|"[^"]*")*$)/ui', '"${2}"', $format);
// Get the sections, there can be up to four sections, separated with a semi-colon (but only if not a quoted literal)
$sections = preg_split(self::SECTION_SPLIT, $format) ?: [];
[$colors, $format, $value] = self::splitFormatForSectionSelection($sections, $value);
// In Excel formats, "_" is used to add spacing,
// The following character indicates the size of the spacing, which we can't do in HTML, so we just use a standard space
$format = (string) preg_replace('/_.?/ui', ' ', $format);
// Let's begin inspecting the format and converting the value to a formatted string
// Check for date/time characters (not inside quotes)
if (
(preg_match('/(\[\$[A-Z]*-[0-9A-F]*\])*[hmsdy](?=(?:[^"]|"[^"]*")*$)/miu', $format)) &&
(preg_match('/0(?![^\[]*\])/miu', $format) === 0)
) {
// datetime format
$value = DateFormatter::format($value, $format);
} else {
if (substr($format, 0, 1) === '"' && substr($format, -1, 1) === '"' && substr_count($format, '"') === 2) {
$value = substr($format, 1, -1);
} elseif (preg_match('/[0#, ]%/', $format)) {
// % number format - avoid weird '-0' problem
$value = PercentageFormatter::format(0 + (float) $value, $format);
} else {
$value = NumberFormatter::format($value, $format);
}
}
// Additional formatting provided by callback function
if ($callBack !== null) {
[$writerInstance, $function] = $callBack;
$value = $writerInstance->$function($value, $colors);
}
$value = str_replace(chr(0x00), '.', $value);
return $value;
}
}
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