public static void Write(Element elem, TextWriter w)
{
Paragraph para = elem as Paragraph;
if (para != null)
{
Write(para, w);
return;
}
Quote quot = elem as Quote;
if (quot != null)
{
Write(quot, w);
return;
}
Verse vers = elem as Verse;
if (vers != null)
{
Write(vers, w);
return;
}
Heading head = elem as Heading;
if (head != null)
{
Write(head, w);
return;
}
Footnote foot = elem as Footnote;
if (foot != null)
{
Write(foot, w);
return;
}
throw new Exception("Cannot render unknown element type " +
elem.GetType().Name);
}
public static void Write(Verse verse, TextWriter w)
{
bool first = true;
foreach (Block block in verse.blocks)
{
if (first)
{
first = false;
}
else
{
w.WriteLine("> ");
}
int len = block.Lines.Count;
for (int i = 0; i < len; i++)
{
string line = block.Lines[i];
Match m = initialSpace.Match(line);
if (m.Success)
{
line = line.TrimStart();
string prefix = "";
for (int j = 0; j < m.Groups[0].Length; j++)
{
prefix = " " + prefix;
}
line = prefix + line;
}
w.Write("> ");
Write(line, w);
w.WriteLine(" ");
}
}
w.WriteLine();
}
public static void Write(Verse verse, TextWriter w)
{
bool first = true;
foreach (Block block in verse.blocks) {
if (first)
first = false;
else
w.WriteLine("> ");
int len = block.Lines.Count;
for (int i = 0; i < len; i++) {
string line = block.Lines[i];
Match m = initialSpace.Match(line);
if (m.Success) {
line = line.TrimStart();
string prefix = "";
for (int j = 0; j < m.Groups[0].Length; j++)
prefix = " " + prefix;
line = prefix + line;
}
w.Write("> ");
Write(line, w);
w.WriteLine(" ");
}
}
w.WriteLine();
}
public static List<Element> Assemble(List<Block> blocks)
{
Block previous = null;
Verse previousVerse = null;
Quote previousQuote = null;
List<Element> elements = new List<Element>();
foreach (Block block in blocks) {
Element element = null;
if (block.Verse) {
if (previous != null && previous.Tied && previous.Verse) {
Debug.Assert(previousVerse != null);
previousVerse.blocks.Add(block);
} else {
previousVerse = new Verse();
previousVerse.blocks.Add(block);
element = previousVerse;
}
}
else if (block.Heading.HasValue) {
Heading head = new Heading();
Debug.Assert(block.Lines.Count == 1);
head.Title = block.Lines[0];
head.Depth = block.Heading.Value;
element = head;
}
else if (block.Footnote.HasValue) {
Footnote fn = new Footnote();
fn.Text = block;
fn.Index = block.Footnote.Value;
element = fn;
}
else {
Paragraph para = new Paragraph();
para.block = block;
element = para;
}
bool added = false;
if (block.Quoted && element != null) {
if (previous != null && previous.Tied && previous.Quoted) {
Debug.Assert(previousQuote != null);
previousQuote.elements.Add(element);
added = true;
} else {
previousQuote = new Quote();
previousQuote.elements.Add(element);
element = previousQuote;
}
}
if (! added && element != null)
elements.Add(element);
previous = block;
}
return elements;
}
public static List <Element> Assemble(List <Block> blocks)
{
Block previous = null;
Verse previousVerse = null;
Quote previousQuote = null;
List <Element> elements = new List <Element>();
foreach (Block block in blocks)
{
Element element = null;
if (block.Verse)
{
if (previous != null && previous.Tied && previous.Verse)
{
Debug.Assert(previousVerse != null);
previousVerse.blocks.Add(block);
}
else
{
previousVerse = new Verse();
previousVerse.blocks.Add(block);
element = previousVerse;
}
}
else if (block.Heading.HasValue)
{
Heading head = new Heading();
Debug.Assert(block.Lines.Count == 1);
head.Title = block.Lines[0];
head.Depth = block.Heading.Value;
element = head;
}
else if (block.Footnote.HasValue)
{
Footnote fn = new Footnote();
fn.Text = block;
fn.Index = block.Footnote.Value;
element = fn;
}
else
{
Paragraph para = new Paragraph();
para.block = block;
element = para;
}
bool added = false;
if (block.Quoted && element != null)
{
if (previous != null && previous.Tied && previous.Quoted)
{
Debug.Assert(previousQuote != null);
previousQuote.elements.Add(element);
added = true;
}
else
{
previousQuote = new Quote();
previousQuote.elements.Add(element);
element = previousQuote;
}
}
if (!added && element != null)
{
elements.Add(element);
}
previous = block;
}
return(elements);
}