mirror of
https://github.com/fadden/6502bench.git
synced 2024-11-12 06:06:12 +00:00
277 lines
11 KiB
C#
277 lines
11 KiB
C#
/*
|
|
* Copyright 2018 faddenSoft
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Drawing;
|
|
using System.Text;
|
|
|
|
namespace SourceGen {
|
|
/// <summary>
|
|
/// Representation of a multi-line comment, which is a string plus some format directives.
|
|
/// Used for long comments and notes.
|
|
///
|
|
/// Instances are immutable.
|
|
/// </summary>
|
|
public class MultiLineComment {
|
|
/// <summary>
|
|
/// If set, sticks a MaxWidth "ruler" at the top, and makes spaces visible.
|
|
/// </summary>
|
|
public static bool DebugShowRuler { get; set; }
|
|
|
|
/// <summary>
|
|
/// Unformatted text.
|
|
/// </summary>
|
|
public string Text { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Set to true to render text surrounded by a box of ASCII characters.
|
|
/// </summary>
|
|
public bool BoxMode { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Maximum line width. Box mode effectively reduces this by four.
|
|
/// </summary>
|
|
public int MaxWidth { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Background color for notes.
|
|
/// </summary>
|
|
public Color BackgroundColor { get; private set; }
|
|
|
|
|
|
/// <summary>
|
|
/// Constructor. Object will have a max width of 80 and not be boxed.
|
|
/// </summary>
|
|
/// <param name="text">Unformatted comment text.</param>
|
|
public MultiLineComment(string text) {
|
|
Debug.Assert(text != null); // empty string is okay
|
|
Text = text;
|
|
BoxMode = false;
|
|
MaxWidth = 80;
|
|
BackgroundColor = Color.FromArgb(0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructor. Used for long comments.
|
|
/// </summary>
|
|
/// <param name="text">Unformatted text.</param>
|
|
/// <param name="boxMode">Set to true to enable box mode.</param>
|
|
/// <param name="maxWidth">Maximum line width.</param>
|
|
public MultiLineComment(string text, bool boxMode, int maxWidth) : this(text) {
|
|
Debug.Assert((!boxMode && maxWidth > 1) || (boxMode && maxWidth > 5));
|
|
BoxMode = boxMode;
|
|
MaxWidth = maxWidth;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructor. Used for notes.
|
|
/// </summary>
|
|
/// <param name="text">Unformatted text.</param>
|
|
/// <param name="bkgndColor">Background color.</param>
|
|
public MultiLineComment(string text, Color bkgndColor) : this(text) {
|
|
BackgroundColor = bkgndColor;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates one or more lines of formatted text.
|
|
/// </summary>
|
|
/// <param name="formatter">Formatter, with comment delimiters.</param>
|
|
/// <param name="textPrefix">String to prepend to text before formatting. If this
|
|
/// is non-empty, comment delimiters aren't emitted. (Used for notes.)</param>
|
|
/// <returns>Array of formatted strings.</returns>
|
|
public List<string> FormatText(Asm65.Formatter formatter, string textPrefix) {
|
|
const char boxChar = '*';
|
|
const char spcRep = '\u2219';
|
|
string workString = string.IsNullOrEmpty(textPrefix) ? Text : textPrefix + Text;
|
|
List<string> lines = new List<string>();
|
|
|
|
string linePrefix;
|
|
if (!string.IsNullOrEmpty(textPrefix)) {
|
|
linePrefix = string.Empty;
|
|
} else if (BoxMode) {
|
|
linePrefix = formatter.BoxLineCommentDelimiter;
|
|
} else {
|
|
linePrefix = formatter.FullLineCommentDelimiter;
|
|
}
|
|
|
|
StringBuilder sb = new StringBuilder(MaxWidth);
|
|
if (DebugShowRuler) {
|
|
for (int i = 0; i < MaxWidth; i++) {
|
|
sb.Append((i % 10).ToString());
|
|
}
|
|
lines.Add(sb.ToString());
|
|
sb.Clear();
|
|
}
|
|
string boxLine, spaces;
|
|
if (BoxMode) {
|
|
for (int i = 0; i < MaxWidth - linePrefix.Length; i++) {
|
|
sb.Append(boxChar);
|
|
}
|
|
boxLine = sb.ToString();
|
|
sb.Clear();
|
|
for (int i = 0; i < MaxWidth; i++) {
|
|
sb.Append(' ');
|
|
}
|
|
spaces = sb.ToString();
|
|
sb.Clear();
|
|
|
|
} else {
|
|
boxLine = spaces = null;
|
|
}
|
|
|
|
if (BoxMode && workString.Length > 0) {
|
|
lines.Add(linePrefix + boxLine);
|
|
}
|
|
|
|
int lineWidth = BoxMode ?
|
|
MaxWidth - linePrefix.Length - 4 :
|
|
MaxWidth - linePrefix.Length;
|
|
int startIndex = 0;
|
|
int breakIndex = -1;
|
|
for (int i = 0; i < workString.Length; i++) {
|
|
// Spaces and hyphens are different. For example, if width is 10,
|
|
// "long words<space>more words" becomes:
|
|
// 0123456789
|
|
// long words
|
|
// more words
|
|
// However, "long words-more words" becomes:
|
|
// long
|
|
// words-more
|
|
// words
|
|
// because the hyphen is retained but the space is discarded.
|
|
|
|
if (workString[i] == '\r' || workString[i] == '\n') {
|
|
// explicit line break, emit line
|
|
string str = workString.Substring(startIndex, i - startIndex);
|
|
if (DebugShowRuler) { str = str.Replace(' ', spcRep); }
|
|
if (BoxMode) {
|
|
if (str == "" + boxChar) {
|
|
// asterisk on a line by itself means "output row of asterisks"
|
|
str = linePrefix + boxLine;
|
|
} else {
|
|
int padLen = lineWidth - str.Length;
|
|
str = linePrefix + boxChar + " " + str +
|
|
spaces.Substring(0, padLen + 1) + boxChar;
|
|
}
|
|
} else {
|
|
str = linePrefix + str;
|
|
}
|
|
lines.Add(str);
|
|
// Eat the LF in CRLF. We don't actually work right with just LF,
|
|
// because this will consume LFLF, but it's okay to insist that the
|
|
// string use CRLF for line breaks.
|
|
if (i < workString.Length - 1 && workString[i + 1] == '\n') {
|
|
i++;
|
|
}
|
|
startIndex = i + 1;
|
|
breakIndex = -1;
|
|
} else if (workString[i] == ' ') {
|
|
// can break on a space even if it's one char too far
|
|
breakIndex = i;
|
|
}
|
|
|
|
if (i - startIndex >= lineWidth) {
|
|
// this character was one too many, break line one back
|
|
if (breakIndex <= 0) {
|
|
// no break found, just chop it
|
|
string str = workString.Substring(startIndex, i - startIndex);
|
|
if (DebugShowRuler) { str = str.Replace(' ', spcRep); }
|
|
if (BoxMode) {
|
|
str = linePrefix + boxChar + " " + str + " " + boxChar;
|
|
} else {
|
|
str = linePrefix + str;
|
|
}
|
|
lines.Add(str);
|
|
startIndex = i;
|
|
} else {
|
|
// Copy everything from start to break. If the break was a hyphen,
|
|
// we want to keep it.
|
|
int adj = 0;
|
|
if (workString[breakIndex] == '-') {
|
|
adj = 1;
|
|
}
|
|
string str = workString.Substring(startIndex,
|
|
breakIndex + adj - startIndex);
|
|
if (DebugShowRuler) { str = str.Replace(' ', spcRep); }
|
|
if (BoxMode) {
|
|
int padLen = lineWidth - str.Length;
|
|
str = linePrefix + boxChar + " " + str +
|
|
spaces.Substring(0, padLen + 1) + boxChar;
|
|
} else {
|
|
str = linePrefix + str;
|
|
}
|
|
lines.Add(str);
|
|
startIndex = breakIndex + 1;
|
|
breakIndex = -1;
|
|
}
|
|
}
|
|
|
|
if (workString[i] == '-') {
|
|
// can break on hyphen if it fits in line
|
|
breakIndex = i;
|
|
}
|
|
}
|
|
|
|
if (startIndex < workString.Length) {
|
|
// Output remainder.
|
|
string str = workString.Substring(startIndex, workString.Length - startIndex);
|
|
if (DebugShowRuler) { str = str.Replace(' ', spcRep); }
|
|
if (BoxMode) {
|
|
int padLen = lineWidth - str.Length;
|
|
str = linePrefix + boxChar + " " + str +
|
|
spaces.Substring(0, padLen + 1) + boxChar;
|
|
} else {
|
|
str = linePrefix + str;
|
|
}
|
|
lines.Add(str);
|
|
}
|
|
|
|
if (BoxMode && workString.Length > 0) {
|
|
lines.Add(linePrefix + boxLine);
|
|
}
|
|
|
|
return lines;
|
|
}
|
|
|
|
|
|
public override string ToString() {
|
|
return "MLC box=" + BoxMode + " width=" + MaxWidth + " text='" + Text + "'";
|
|
}
|
|
|
|
|
|
public static bool operator ==(MultiLineComment a, MultiLineComment b) {
|
|
if (ReferenceEquals(a, b)) {
|
|
return true; // same object, or both null
|
|
}
|
|
if (ReferenceEquals(a, null) || ReferenceEquals(b, null)) {
|
|
return false; // one is null
|
|
}
|
|
return a.Text.Equals(b.Text) && a.BoxMode == b.BoxMode && a.MaxWidth == b.MaxWidth
|
|
&& a.BackgroundColor == b.BackgroundColor;
|
|
}
|
|
public static bool operator !=(MultiLineComment a, MultiLineComment b) {
|
|
return !(a == b);
|
|
}
|
|
public override bool Equals(object obj) {
|
|
return obj is MultiLineComment && this == (MultiLineComment)obj;
|
|
}
|
|
public override int GetHashCode() {
|
|
return Text.GetHashCode() ^ MaxWidth ^ (BoxMode ? 1 : 0) ^ BackgroundColor.ToArgb();
|
|
}
|
|
}
|
|
}
|