Apple-2-Tools/dmolony-DiskBrowser
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better line wrapping

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This commit is contained in:
Denis Molony 2021-01-12 10:34:29 +10:00
parent 486180e423
commit 5a6c3841f9
2 changed files with 62 additions and 26 deletions
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49
src/com/bytezone/diskbrowser/applefile/ApplesoftBasicProgram.java
View File

@ -15,8 +15,11 @@ import com.bytezone.diskbrowser.utilities.Utility;
public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftConstants
// -----------------------------------------------------------------------------------//
{
static final String underline = "----------------------------------------------------"
+ "----------------------------------------------";
private static final String underline =
"----------------------------------------------------"
+ "----------------------------------------------";
private static Pattern dimPattern =
Pattern.compile ("[A-Z][A-Z0-9]*[$%]?\\([0-9,]*\\)[,:]?");
private final List<SourceLine> sourceLines = new ArrayList<> ();
private final int endPtr;
@ -40,6 +43,7 @@ public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftCons
String formatLeft;
String formatLineNumber;
String formatRight;
String formatCall;
int maxDigits;
// ---------------------------------------------------------------------------------//
@ -87,6 +91,7 @@ public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftCons
formatLeft = longestVarName > 7 ? "%-" + longestVarName + "." + longestVarName + "s "
: "%-7.7s ";
formatRight = formatLeft.replace ("-", "");
formatCall = longestVarName > 7 ? "%-" + longestVarName + "s " : "%-7s ";
maxDigits = getMaxDigits ();
formatLineNumber = "%" + maxDigits + "d ";
@ -349,13 +354,6 @@ public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftCons
fullText.append ("\n");
}
// if (basicPreferences.showAllXref)
// addXref (fullText);
//
// if (fullText.length () > 0)
// while (fullText.charAt (fullText.length () - 1) == '\n')
// fullText.deleteCharAt (fullText.length () - 1); // remove trailing newlines
return fullText;
}
@ -465,7 +463,13 @@ public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftCons
heading (fullText, formatLeft, heading);
for (String symbol : map.keySet ()) // left-justify strings
appendLineNumbers (fullText, String.format (formatLeft, symbol), map.get (symbol));
{
if (symbol.length () <= 7)
appendLineNumbers (fullText, String.format (formatLeft, symbol),
map.get (symbol));
else
appendLineNumbers (fullText, symbol + " ", map.get (symbol));
}
}
// ---------------------------------------------------------------------------------//
@ -621,19 +625,29 @@ public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftCons
int firstSpace = 0;
while (firstSpace < line.length () && line.charAt (firstSpace) != ' ')
++firstSpace;
String indent = " ".substring (0, firstSpace + 1);
List<String> lines = new ArrayList<> ();
while (line.length () > wrapLength)
{
int max = Math.min (wrapLength, line.length () - 1);
while (max > 0 && line.charAt (max) != breakChar)
--max;
if (max == 0)
int breakAt = wrapLength;
while (breakAt > firstSpace && line.charAt (breakAt) != breakChar)
--breakAt;
if (breakAt <= firstSpace)
break;
lines.add (line.substring (0, max + 1));
line = " ".substring (0, firstSpace + 1) + line.substring (max + 1);
lines.add (line.substring (0, breakAt + 1)); // keep breakChar at end
line = indent + line.substring (breakAt + 1);
}
if (lines.size () == 0) // no breaks
while (line.length () > wrapLength)
{
lines.add (line.substring (0, wrapLength));
line = indent + line.substring (wrapLength);
}
lines.add (line);
return lines;
}
@ -644,8 +658,7 @@ public class ApplesoftBasicProgram extends BasicProgram implements ApplesoftCons
{
List<String> lines = new ArrayList<> ();
Pattern p = Pattern.compile ("[A-Z][A-Z0-9]*[$%]?\\([0-9,]*\\)[,:]?");
Matcher m = p.matcher (line);
Matcher m = dimPattern.matcher (line);
while (m.find ())
lines.add (" " + m.group ());

39
src/com/bytezone/diskbrowser/applefile/SubLine.java
View File

@ -98,8 +98,16 @@ public class SubLine implements ApplesoftConstants
if (inQuote && b != Utility.ASCII_QUOTE) // ignore strings
continue;
if (Utility.isPossibleVariable (b)) // A-Z 0-9
if (Utility.isPossibleVariable (b)) // A-Z 0-9 $ %
{
var += (char) b;
if ((b == Utility.ASCII_DOLLAR || b == Utility.ASCII_PERCENT) // var name end
&& buffer[ptr] != Utility.ASCII_LEFT_BRACKET) // not an array
{
checkVar (var, b);
var = "";
}
}
else
{
if (inFunction)
@ -285,16 +293,11 @@ public class SubLine implements ApplesoftConstants
break;
case TOKEN_CALL:
byte[] lineBuffer = getBuffer ();
if (lineBuffer[0] == TOKEN_MINUS)
callTarget = "-" + new String (lineBuffer, 1, lineBuffer.length - 1);
else
callTarget = new String (lineBuffer, 0, lineBuffer.length);
callTarget = getExpression ();
break;
case TOKEN_DEF:
lineBuffer = getBuffer ();
byte[] lineBuffer = getBuffer ();
assert lineBuffer[0] == TOKEN_FN;
int leftBracket = getPosition (lineBuffer, 1, Utility.ASCII_LEFT_BRACKET);
@ -310,6 +313,26 @@ public class SubLine implements ApplesoftConstants
}
}
// ---------------------------------------------------------------------------------//
private String getExpression ()
// ---------------------------------------------------------------------------------//
{
StringBuilder text = new StringBuilder ();
int ptr = startPtr + 1;
int max = startPtr + length - 1;
while (ptr < max)
{
if (Utility.isHighBitSet (buffer[ptr]))
text.append (tokens[buffer[ptr] & 0x7F]);
else
text.append ((char) buffer[ptr]);
++ptr;
}
return text.toString ();
}
// ---------------------------------------------------------------------------------//
private int getPosition (byte[] buffer, int start, byte value)
// ---------------------------------------------------------------------------------//