Refactor font repo compiler so it can be reused

Includes changes to the generated repository file
because the script had not been run for last update.

Change-Id: I6b5d1ce980c6e5b42e36c0044729536b6b0ae4dc

includes/FontRepoCompiler.php

@@ -0,0 +1,142 @@
+<?php
+
+/**
+ * This class parses font specification ini files to a central list.
+ * @author Niklas Laxström
+ * @since 2016.04
+ */
+class FontRepoCompiler {
+	protected $fsPath;
+	protected $webPath;
+
+	public function __construct( $fsPath, $webPath ) {
+		$this->fsPath = $fsPath;
+		$this->webPath = $webPath;
+	}
+
+	public function getRepository() {
+		$files = $this->getFilesFromPath( $this->fsPath );
+
+		$fonts = array();
+		$languages = array();
+
+		foreach ( $files as $file ) {
+			$conf = $this->parseFile( $file );
+			$fontPath = dirname( $file );
+
+			// Ugly hack to populate version to all fonts in a set
+			$version = null;
+			foreach ( $conf as $fontname => $font ) {
+				$fontLanguages = $this->getLanguages( $font );
+				$this->appendLanguages( $languages, $fontLanguages, $fontname );
+				$fonts[$fontname] = $this->getFontInfo( $font, $fontPath, $version );
+			}
+		}
+
+		ksort( $languages );
+		ksort( $fonts );
+
+		return array(
+			'base' => $this->webPath,
+			'languages' => $languages,
+			'fonts' => $fonts
+		);
+	}
+
+
+	public function getFilesFromPath( $fspath ) {
+		return glob( "$fspath/*/font.ini" );
+	}
+
+	public function parseFile( $filepath ) {
+		return parse_ini_file( $filepath, true );
+	}
+
+	public function getLanguages( array $font ) {
+		if ( !isset( $font['languages'] ) ) {
+			return array();
+		}
+
+		$languages = explode( ',', $font['languages'] );
+		$languages = array_map( 'trim', $languages );
+
+		return $languages;
+	}
+
+	public function appendLanguages( &$languages, $fontLanguages, $fontname ) {
+		foreach ( $fontLanguages as $rcode ) {
+			$code = str_replace( '*', '', $rcode );
+
+			if ( !isset( $languages[$code] ) ) {
+				$languages[$code] = array( 'system' );
+			}
+
+			if ( strpos( $rcode, '*' ) !== false ) {
+				if ( $languages[$code][0] === 'system' ) {
+					unset( $languages[$code][0] );
+				}
+				array_unshift( $languages[$code], $fontname );
+			} else {
+				$languages[$code][] = $fontname;
+			}
+		}
+	}
+
+	public function getFontInfo( $font, $fontpath, &$version ) {
+		$info = array();
+		$fontdir = basename( $fontpath );
+
+		$version = $info['version'] = isset( $font['version'] ) ? $font['version'] : $version;
+
+		if ( isset( $font['fontweight'] ) ) {
+			$info['fontweight'] = $font['fontweight'];
+		}
+
+		if ( isset( $font['fontstyle'] ) ) {
+			$info['fontstyle'] = $font['fontstyle'];
+		}
+
+		if ( isset( $font['ttf'] ) ) {
+			$info['ttf'] = $fontdir . '/' . $font['ttf'];
+		}
+
+		if ( isset( $font['svg'] ) ) {
+			$info['svg'] = $fontdir . '/' . $font['svg'];
+		}
+
+		if ( isset( $font['eot'] ) ) {
+			$info['eot'] = $fontdir . '/' . $font['eot'];
+		}
+
+		if ( isset( $font['woff'] ) ) {
+			$info['woff'] = $fontdir . '/' . $font['woff'];
+		}
+
+		if ( isset( $font['woff2'] ) ) {
+			$info['woff2'] = $fontdir . '/' . $font['woff2'];
+		}
+
+		// If font formats are not explicitly defined, scan the directory.
+		if ( !isset( $info['ttf'] ) ) {
+			foreach ( glob( "$fontpath/*.{eot,ttf,woff,woff2,svg}", GLOB_BRACE ) as $fontfile ) {
+				$type = substr( $fontfile, strrpos( $fontfile, '.' ) + 1 );
+				$info[$type] = $fontdir . '/' . basename( $fontfile );
+			}
+		}
+
+		// Font variants
+		if ( isset( $font['bold'] ) ) {
+			$info['variants']['bold'] = $font['bold'];
+		}
+
+		if ( isset( $font['bolditalic'] ) ) {
+			$info['variants']['bolditalic'] = $font['bolditalic'];
+		}
+
+		if ( isset( $font['italic'] ) ) {
+			$info['variants']['italic'] = $font['italic'];
+		}
+
+		return $info;
+	}
+}