Zach's git repos / prosongsa
Backend for songs.zachdecook.com
Diffstat (limited to 'page.php')
-rw-r--r--page.php130
1 files changed, 0 insertions, 130 deletions
diff --git a/page.php b/page.php
index 98fb3cf..835e1cb 100644
--- a/page.php
+++ b/page.php
@@ -308,32 +308,6 @@ function renderSS( $suggestedSong = array(), $songKeys, $transp )
return implode($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, $space=TRUE)
{
// Get rid of flats
@@ -358,97 +332,6 @@ function normalizechords($line, $space=TRUE)
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" ));
@@ -461,16 +344,3 @@ function difftransp( $fromkey, $tokey )
$tokey = trim($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];
-}