public static FncFile Parse(string sourceFile)
{
var sourceText = File.ReadAllText(sourceFile);
var boxes = new List<Box>();
// Turn into array of characters
var lines = (sourceText.Replace("\r", "") + "\n\n").Split('\n');
var source = new SourceAsChars(lines);
if (lines.Length == 0)
return new FncFile { Boxes = boxes, Source = source };
var visited = new Dictionary<int, HashSet<int>>();
// Find boxes
for (int y = 0; y < source.NumLines; y++)
{
for (int x = 0; x < source[y].Length; x++)
{
// Go looking for a box only if this is a top-left corner of a box
if (source.TopLine(x, y) != LineType.None || source.LeftLine(x, y) != LineType.None || source.RightLine(x, y) == LineType.None || source.BottomLine(x, y) == LineType.None)
continue;
if (visited.Contains(x, y))
continue;
// Find width of box by walking along top edge
var top = source.RightLine(x, y);
var index = x + 1;
while (index < source[y].Length && source.RightLine(index, y) == top)
index++;
if (index == source[y].Length || source.BottomLine(index, y) == LineType.None || source.TopLine(index, y) != LineType.None || source.RightLine(index, y) != LineType.None)
continue;
var width = index - x;
// Find height of box by walking along left edge
var left = source.BottomLine(x, y);
index = y + 1;
while (index < source.NumLines && source.BottomLine(x, index) == left)
index++;
if (index == source.NumLines || source.RightLine(x, index) == LineType.None || source.LeftLine(x, index) != LineType.None || source.BottomLine(x, index) != LineType.None)
continue;
var height = index - y;
// Verify the bottom edge
var bottom = source.RightLine(x, y + height);
index = x + 1;
while (index < source[y].Length && source.RightLine(index, y + height) == bottom)
index++;
if (index == source[y].Length || source.TopLine(index, y + height) == LineType.None || source.BottomLine(index, y + height) != LineType.None || source.RightLine(index, y + height) != LineType.None)
continue;
if (index - x != width)
continue;
// Verify the right edge
var right = source.BottomLine(x + width, y);
index = y + 1;
while (index < source.NumLines && source.BottomLine(x + width, index) == right)
index++;
if (index == source.NumLines || source.LeftLine(x + width, index) == LineType.None || source.RightLine(x + width, index) != LineType.None || source.BottomLine(x + width, index) != LineType.None)
continue;
if (index - y != height)
continue;
// If all edges are single lines, this is not a box
if (top == LineType.Single && right == LineType.Single && bottom == LineType.Single && left == LineType.Single)
continue;
for (int xx = 0; xx <= width; xx++)
{
visited.AddSafe(x + xx, y);
visited.AddSafe(x + xx, y + height);
}
for (int yy = 0; yy <= height; yy++)
{
visited.AddSafe(x, y + yy);
visited.AddSafe(x + width, y + yy);
}
boxes.Add(new Box
{
X = x,
Y = y,
Width = width,
Height = height,
LineTypes = Helpers.MakeDictionary(top, right, bottom, left)
});
}
}
// Determine the location of text lines within every box
foreach (var box in boxes)
{
var curTextLines = new HashSet<TextLine>();
for (int by = 1; by < box.Height; by++)
{
var y = box.Y + by;
TextLine curTextLine = null;
var curLineText = new StringBuilder();
for (int bx = 1; bx < box.Width; bx++)
{
var x = box.X + bx;
if (source.AnyLine(x, y))
{
if (curTextLine != null)
{
curTextLine.Content = curLineText.ToString();
curTextLines.Add(curTextLine);
curTextLine = null;
curLineText.Clear();
}
}
else
{
if (curTextLine == null)
curTextLine = new TextLine { X = x, Y = y };
curLineText.Append(source[y][x]);
}
}
if (curTextLine != null)
{
curTextLine.Content = curLineText.ToString();
curTextLines.Add(curTextLine);
}
}
// Group text lines by vertical adjacency
var textAreas = new List<TextLine[]>();
while (curTextLines.Count > 0)
{
var first = curTextLines.First();
curTextLines.Remove(first);
var curGroup = new List<TextLine> { first };
while (true)
{
var next = curTextLines.FirstOrDefault(one => curGroup.Any(two => (one.Y == two.Y + 1 || one.Y == two.Y - 1) && one.X + one.Content.Length > two.X && one.X < two.X + two.Content.Length));
if (next == null)
break;
curGroup.Add(next);
curTextLines.Remove(next);
}
curGroup.Sort(CustomComparer<TextLine>.By(l => l.Y).ThenBy(l => l.X));
textAreas.Add(curGroup.ToArray());
}
box.TextAreas = textAreas.ToArray();
}
return new FncFile { Boxes = boxes, Source = source };
}
public static FncFile Parse(string sourceFile)
{
var sourceText = File.ReadAllText(sourceFile);
var boxes = new List <Box>();
// Turn into array of characters
var lines = (sourceText.Replace("\r", "") + "\n\n").Split('\n');
var source = new SourceAsChars(lines);
if (lines.Length == 0)
{
return new FncFile {
Boxes = boxes, Source = source
}
}
;
var visited = new Dictionary <int, HashSet <int> >();
// Find boxes
for (int y = 0; y < source.NumLines; y++)
{
for (int x = 0; x < source[y].Length; x++)
{
// Go looking for a box only if this is a top-left corner of a box
if (source.TopLine(x, y) != LineType.None || source.LeftLine(x, y) != LineType.None || source.RightLine(x, y) == LineType.None || source.BottomLine(x, y) == LineType.None)
{
continue;
}
if (visited.Contains(x, y))
{
continue;
}
// Find width of box by walking along top edge
var top = source.RightLine(x, y);
var index = x + 1;
while (index < source[y].Length && source.RightLine(index, y) == top)
{
index++;
}
if (index == source[y].Length || source.BottomLine(index, y) == LineType.None || source.TopLine(index, y) != LineType.None || source.RightLine(index, y) != LineType.None)
{
continue;
}
var width = index - x;
// Find height of box by walking along left edge
var left = source.BottomLine(x, y);
index = y + 1;
while (index < source.NumLines && source.BottomLine(x, index) == left)
{
index++;
}
if (index == source.NumLines || source.RightLine(x, index) == LineType.None || source.LeftLine(x, index) != LineType.None || source.BottomLine(x, index) != LineType.None)
{
continue;
}
var height = index - y;
// Verify the bottom edge
var bottom = source.RightLine(x, y + height);
index = x + 1;
while (index < source[y].Length && source.RightLine(index, y + height) == bottom)
{
index++;
}
if (index == source[y].Length || source.TopLine(index, y + height) == LineType.None || source.BottomLine(index, y + height) != LineType.None || source.RightLine(index, y + height) != LineType.None)
{
continue;
}
if (index - x != width)
{
continue;
}
// Verify the right edge
var right = source.BottomLine(x + width, y);
index = y + 1;
while (index < source.NumLines && source.BottomLine(x + width, index) == right)
{
index++;
}
if (index == source.NumLines || source.LeftLine(x + width, index) == LineType.None || source.RightLine(x + width, index) != LineType.None || source.BottomLine(x + width, index) != LineType.None)
{
continue;
}
if (index - y != height)
{
continue;
}
// If all edges are single lines, this is not a box
if (top == LineType.Single && right == LineType.Single && bottom == LineType.Single && left == LineType.Single)
{
continue;
}
for (int xx = 0; xx <= width; xx++)
{
visited.AddSafe(x + xx, y);
visited.AddSafe(x + xx, y + height);
}
for (int yy = 0; yy <= height; yy++)
{
visited.AddSafe(x, y + yy);
visited.AddSafe(x + width, y + yy);
}
boxes.Add(new Box
{
X = x,
Y = y,
Width = width,
Height = height,
LineTypes = Helpers.MakeDictionary(top, right, bottom, left)
});
}
}
// Determine the location of text lines within every box
foreach (var box in boxes)
{
var curTextLines = new HashSet <TextLine>();
for (int by = 1; by < box.Height; by++)
{
var y = box.Y + by;
TextLine curTextLine = null;
var curLineText = new StringBuilder();
for (int bx = 1; bx < box.Width; bx++)
{
var x = box.X + bx;
if (source.AnyLine(x, y))
{
if (curTextLine != null)
{
curTextLine.Content = curLineText.ToString();
curTextLines.Add(curTextLine);
curTextLine = null;
curLineText.Clear();
}
}
else
{
if (curTextLine == null)
{
curTextLine = new TextLine {
X = x, Y = y
}
}
;
curLineText.Append(source[y][x]);
}
}
if (curTextLine != null)
{
curTextLine.Content = curLineText.ToString();
curTextLines.Add(curTextLine);
}
}
// Group text lines by vertical adjacency
var textAreas = new List <TextLine[]>();
while (curTextLines.Count > 0)
{
var first = curTextLines.First();
curTextLines.Remove(first);
var curGroup = new List <TextLine> {
first
};
while (true)
{
var next = curTextLines.FirstOrDefault(one => curGroup.Any(two => (one.Y == two.Y + 1 || one.Y == two.Y - 1) && one.X + one.Content.Length > two.X && one.X < two.X + two.Content.Length));
if (next == null)
{
break;
}
curGroup.Add(next);
curTextLines.Remove(next);
}
curGroup.Sort(CustomComparer <TextLine> .By(l => l.Y).ThenBy(l => l.X));
textAreas.Add(curGroup.ToArray());
}
box.TextAreas = textAreas.ToArray();
}
return(new FncFile {
Boxes = boxes, Source = source
});
}
}
}
