preg_replace("(^(X?C?B?\d+)\. )",'',$line) ); $entries[$number]['number'] = $number; } else if( preg_match("/^{.?Verse: ?(.*)}/i", $line, $matches)){ if (isset($entries[$number]['verse'])){ $entries[$number]['verse'] .= ", $matches[1]";} else { $entries[$number]['verse'] = $matches[1];} } else if( preg_match("/^{Key: ?(.*)}/i", $line, $matches)){ $entries[$number]['key'] = $matches[1];} else if( preg_match( "/\{p?\d*$(.+m?)$\}/", $line, $matches) ){ $entries[$number]['key'] = $matches[1];} else if( preg_match( "/^-(([A-Za-z.]+ ?)+)/", $line, $matches) ){ $entries[$number]['author'] = $matches[1];} }fclose($handle);} else { //Error } $toc = ''; $toc .= '

Sort by: '; foreach( array( 'default', 'title', 'author', 'verse' ) as $thing ){ $disabled = ($sort == $thing) ? 'disabled' : ''; $toc .="$thing"; } $toc .= '

'; $toc .= ''; $toc .= '

'; if ( $sort ){ include 'sort.php'; if ( $sort == 'key' ){ usort( $entries, 'tocKeysort' ); } else if ( $sort == 'verse' ){ usort( $entries, 'tocBooksort' ); } else if ( $sort == 'title' ){ usort( $entries, 'tocTitlesort' ); } else if ( $sort == 'author' ){ usort( $entries, 'tocAuthorsort' ); } } foreach( $entries as $item ){ $toc .= tocentry($item); } $toc .= ''; return $toc; } function tocentry( $item ){ $class = ''; if ( ! isset( $item['key'] ) ){ $class = 'incomplete'; } $output = "

$item[number]. $item[title]"; if ( $item['author'] ){$output .= "($item[author])";} if ( $item['verse'] ){ $output .= "($item[verse])"; } if ( $item['key'] ){ $output .= "($item[key])"; } return $output; } /** * @brief load a portion of the text file inputfile.txt starting with * "$number. " * Where $number is an integer, or "X12", etc. */ function load_song( $number, $transp = 0 ) { // Song suggestions are based on the minute you loaded the page mt_srand( time()/60 ); $handle = fopen("inputfile.txt", "r"); if( ! $transp ) $transp = 0; $current_song = 0; $something = 0; $song = ''; $textlines = '';///@< for suggesting songs $allsongs = array(); $suggestedSong = array(); $songKeys = array(); if ($handle) {while (($line = fgets($handle)) !== false) { // Fix weird apostrophe errors $line = stripslashes( mb_convert_encoding( $line, "HTML-ENTITIES", "UTF-8" ) ); // If we see a number, then that is what song we are on. $matches = array(); if ( preg_match("(^(X?C?B?\d+)\. )", $line, $matches) ) { $allsongs[$matches[1]] = $line; $current_song = $matches[1]; if( mt_rand(0,100) < 5 ) { $suggestedSong[$current_song]['title'] = $line; } } if ( preg_match( "/\{p?\d*$(.+m?)$\}/", $line, $matches) || preg_match("/^{Key: ?(.*)}/i", $line, $matches) ) { if ( isset( $suggestedSong[$current_song])) { $suggestedSong[$current_song]['key'] = $matches[1]; } if ( $current_song === $number ) { $songKeys[] = $matches[1]; $songKey = $matches[1]; } } if ( $current_song === $number || $number == "all" ) { if( chordline($line) ) { if ( $transp != 0) { $line = z_transpose2( $line, $transp ); } $class = ! isset( $songKey ) ? "tabs chord$transp" : "tabs chord" . transpadd( $songKey, $transp ); $line = str_replace( array('{','}'), array('{', "}" ), $line ); $song .= "" . $line . ""; } else { $song .= $line; $textlines .= $line; } } }fclose($handle);} else { // error opening the file. } return renderNavButtons( $number ) . renderEasyTransp( $transp, $number, $songKeys ) . "
" . $song . "
\n" . renderNavButtons( $number ) . renderSS($suggestedSong, $songKeys, $transp); } function renderEasyTransp( $transp, $num, $songKeys = array() ) { $s = ''; //up two semitones $classT = 'btn col-xs-12'; $nsongKey = 'Z'; $words = "Transposed up 2 semitones"; if (isset ( $songKeys[0] ) ) { $classT = 'btn col-xs-4'; $origKey = $songKeys[0]; $pastKey = transpadd( $origKey, $transp - 2 ); $presentKey = transpadd( $origKey, $transp ); $s .= getKeyButton( "Transpose down to", $transp - 2, $pastKey, $num, $classT ); $s .= getKeyButton( "Current Key: ", $transp, $presentKey, $num, $classT ); $nsongKey = transpadd( $presentKey, 2) ?: 'Z'; $words = "Transpose up to "; } $s .= getKeyButton( $words, $transp + 2, $nsongKey, $num, $classT ); return $s; } function getKeyButton( $text, $value, $key, $num, $classT ) { $zkey = $key ?: 'Z'; $key = ($key == 'Z') ? '' : $key; return "" . "$text $key"; } function renderNavButtons( $number ) { $navbuttons = ''; if ( is_numeric($number) ) { $pnumber = $number - 1; $nnumber = $number + 1; $navbuttons .= "previous\n"; $navbuttons .= "next\n"; } return $navbuttons; } /** * @brief Show the suggested songs as buttons with transpositions. * @param $suggestedSong array of songs '25' => ['title'=> 'Majesty', 'key' => 'Bb' ] * @param $songKeys Keys that you want to transpose these songs into. */ function renderSS( $suggestedSong = array(), $songKeys, $transp ) { $ss = array(); $bs = array();// "bad" songs. Songs without transpositions. //shuffle( $suggestedSong ); foreach ($suggestedSong as $songNum => $songarray) { if( isset($songarray['key']) ) { $ok = trim($songarray['key'], 'm'); $n = 2; $bn = 12-($n* count($songKeys)); $smn = count($songKeys) < 3 ? 3 : 12/count($songKeys); $smbn = count($songKeys) < 3 ? 12 - count($songKeys) * $smn : 12; $xsn = count($songKeys) == 1 ? 4 : 12/(count($songKeys) ?: 1); $xsbn = count($songKeys) == 1? 8 : 12; //$xtn = 12/count($songKeys); //$xtbn = 12; $s = "" . "$songarray[title] ($songarray[key])\n"; $classT = "btn col-md-$n col-sm-$smn col-xs-$xsn"; foreach( $songKeys as $sK ) { $tt = difftransp( $sK, $songarray['key']); if ( is_integer($tt) ); { $tt = ($tt + $transp + 12)%12; $nsongKey = transpadd( $sK, $transp ); $s .= "\t" . "Transposed to $nsongKey\n"; } } $ss[] = $s; } else { $bs[] = "$songarray[title]\n"; } } shuffle( $ss ); shuffle( $bs ); return implode($ss) . implode($bs); } /** * @brief Determine whether or not this line contains chords. */ function chordline($line) { $chords = array( "C","C#","D","D#","E","F","F#","G","G#","A#","B",//"A", "Db", "Eb", "Gb", "Bb",//"Ab", "Cm", "Dm", "Fm", "Gm", "Bm", //"Em", "Am", ); $ambiguous = array( "Ab", "Em", "Am", "A" ); $line = str_replace(array('/','7', "\n", '2', '4'), ' ', $line); $tokens = array_filter(explode(' ', $line)); $badtokens = 0; $ambtokens = 0; $goodtokens = 0; foreach ($tokens as $token) { if( in_array( substr($token, 0,2), $chords ) ) $goodtokens++; else if ( in_array( substr( $token, 0,2), $ambiguous) ) $ambtokens++; else if( $badtokens > 10 ) return FALSE; else $badtokens++; } return ($goodtokens *2)+ $ambtokens >= $badtokens; } function normalizechords($line, $space=TRUE) { // Get rid of flats $old = array( "Db", "Eb", "Gb", "Ab", "Bb"); $new = array( "C#", "D#", "F#", "G#", "A#"); $line = str_replace($old, $new, $line); // Uppercase letters A-G $lc = array( "a", "b", "c", "d", "e", "f", "g"); $uc = array( "A", "B", "C", "D", "E", "F", "G"); $line = str_replace($lc, $uc, $line); if ( $space == TRUE ) { // Move space for nonsharp chords that didn't end in one $line = preg_replace("( ([A-G])([^# ]))", "$1 $2", $line); // Trailing space at the end of the line $line = str_replace("\n", " \n", $line ); } return $line; } function z_transpose2( $line, $transp ) { $newchords = z_transparray( $transp ); $newline = ''; $space = 0; ///@< Spaces that need to be added or removed. $inCurly = 0; for($i = 0; $i < strlen($line); $i++) { $char = $line[$i]; $nchar = isset($line[$i+1]) ? $line[$i+1] : ''; $upchar = strtoupper($line[$i]); $cval = ord($upchar); if ( $char == '}' && $inCurly ){ $inCurly = 0;} if ( $char == '{' || $inCurly ){ $inCurly = 1; $newline .= $char; continue;} // A-G if( $cval <= 71 && $cval >=65 ) { // Exception for Cmaj7 if( $upchar == 'A' && $nchar == 'j' ) { $newline .= $char; } else if( $nchar == 'b' || $nchar =='#') { $i++; //We have read an extra character now. $newchord = $newchords[$upchar . $nchar]; if( strlen($newchord) == 1 ) { // Need to insert an extra space. $space += 1; } $newline .= $newchord; } else { $newchord = $newchords[$upchar]; if( strlen($newchord) == 2 ) { // Need to remove an extra space. $space -= 1; } $newline .= $newchord; } } else if ( $char == ' ' ) { if( $space >= 0) { for ($j = 0; $j <= $space; $j++) { $newline .= ' '; } $space = 0; } else { // Only balance negative spaces if one will be left remaining if( $nchar == ' ' ) { $i++; $space += 1; } $newline .= ' '; } } else { $newline .= $char; } } return $newline; } function z_transparray( $transp ) { $chords = array( "C","C#","D","D#","E","F","F#","G","G#","A","Bb","B" ); $newchords = array(); // Create array to map old chords to new ones for ($i=0; $i < 12; $i++) { $newchords[$chords[$i]] = $chords[($i+$transp+12)%12]; } $newchords["Db"] = $newchords["C#"]; $newchords["Eb"] = $newchords["D#"]; $newchords["Gb"] = $newchords["F#"]; $newchords["Ab"] = $newchords["G#"]; $newchords["A#"] = $newchords["Bb"]; return $newchords; } function difftransp( $fromkey, $tokey ) { $chords = array_flip(array( "C","C#","D","D#","E","F","F#","G","G#","A","A#","B" )); $chords["Db"] = $chords["C#"]; $chords["Eb"] = $chords["D#"]; $chords["Gb"] = $chords["F#"]; $chords["Ab"] = $chords["G#"]; $chords["Bb"] = $chords["A#"]; $fromkey = trim($fromkey, 'm'); $tokey = trim($tokey, 'm'); return $chords[$fromkey] - $chords[$tokey]; } function transpadd( $fromkey, $integer ) { $chords = array_flip(array( "C","C#","D","D#","E","F","F#","G","G#","A","A#","B" )); $chords["Db"] = $chords["C#"]; $chords["Eb"] = $chords["D#"]; $chords["Gb"] = $chords["F#"]; $chords["Ab"] = $chords["G#"]; $chords["Bb"] = $chords["A#"]; $ochords = array( "C","Db","D","Eb","E","F","Gb","G","Ab","A","Bb","B" ); $fromkey = trim($fromkey, 'm'); return $ochords[($chords[$fromkey] + $integer + 24)%12]; }