private static YamlBlock parseDocument(Input input)
{
YamlBlock doc = new YamlBlock();
string indent = "";
string line = input.readLine();
input.unreadLine(line);
MatchCollection m = RE_INDENT.Matches(line);
if (m.Count > 1)
{
indent = m[1].Value;
}
parseIntoContainer(input, doc, indent);
line = input.readLine();
if (!"...".Equals(line))
{
// end of document marker NOT reached.
throw new YamlException(input,
"Document end marker not found (aka c-document-end). " +
"Tip: end your document with '...' or check indentation levels.");
}
return(doc);
}
/** A shortcut for {@code getMapping().getKey(key).getString()} for string literal values. */
public string GetKeyString(string key)
{
YamlBlock value = GetKey(key);
if (value != null)
{
if (!value.isLiteral())
{
throw new YamlException(
string.Format("Key '{0}' is of type '{1}', not literal",
key, 0));
}
return(value.GetString());
}
return(null);
}
public static void DoTest()
{
string testText =
@"# Project: MiniYamlParser -- test data file -- (c) 2012 ralfoide -- Apache License, Version 2.0.
---
format: 1.0
description: A key/value set used to configure an app of mine. It contains a multi-line script.
items:
- name: intro
link: http://www.example.com/test1
dpi: 320
text:
1: All inner space is preserved. Rest is trimmed.
3: Interested?
landscape: |
resize width 100%
move image 50% 40% to screen 85% 5%
portrait: |
resize height 75%
move image 50% 0% to screen 10% 5%
- name: family
link: http://www.example.com/test2
dpi: 160
text:
1: All your
2: Bases
3: make
4: your time
5: belong to us.
- name: sleep
landscape: |
text-color #AAAAAA
text 1 at 4% 68% size 12%
- name: work
portrait: |
font Serif
text-color #AAAAAA
...
# end";
YamlBlock doc = MiniYamlParser.parse(testText);
Debug.Log(doc);
}
public YamlBlock SetKeyValue(string key, YamlBlock value)
{
if (literal != null)
{
throw new YamlException("Block of type 'literal' can't be converted to type 'mapping'");
}
else if (sequence != null)
{
throw new YamlException("Block of type 'sequence' can't be converted to type 'mapping'");
}
if (mapping == null)
{
mapping = new Dictionary <string, YamlBlock>();
}
mapping.Add(key, value);
return(this);
}
// --- Sequence container
public YamlBlock AppendToSequence(YamlBlock block)
{
if (literal != null)
{
throw new YamlException("Block of type 'literal' can't be converted to type 'sequence'");
}
else if (mapping != null)
{
throw new YamlException("Block of type 'mapping' can't be converted to type 'sequence'");
}
if (sequence == null)
{
sequence = new List <YamlBlock>();
}
sequence.Add(block);
return(this);
}
private static void parseIntoContainer(Input input, YamlBlock block, string indent)
{
try
{
string line;
while ((line = input.readLine()) != null)
{
if ("...".Equals(line))
{
// end of document marker reached.
input.unreadLine(line);
return;
}
MatchCollection m = RE_SEQ_AND_KEY.Matches(line);
if (m.Count == 0)
{
m = RE_SEQ_OR_KEY.Matches(line);
}
if (m.Count > 0)
{
if (m.Count == 4)
{
}
string i2 = m[1].Value;
if (i2.Length > indent.Length)
{
throw new YamlException(input,
string.Format("Mismatched map indentation, expected %d but was %d'",
indent.Length, i2.Length));
}
else if (i2.Length < indent.Length)
{
input.unreadLine(line);
return;
}
YamlBlock c = new YamlBlock();
bool parseLiteral = true;
if ("-".Equals(m[2].Value))
{
// group 2 is the - for a pure sequence item
//block.(c);
if (m[3].Value != null)
{
// This is a combo sequence item + new key:value *inside* the
// new sequence. We simulate this by handling this as a new
// sequence item and then change the line by removing
// the - marker and recursively iterate to handle a key:value item.
line = line.Substring(0, i2.Length) + ' ' + line.Substring(i2.Length + 1);
input.unreadLine(line);
parseLiteral = false;
}
}
else if (m[3].Value != null)
{
// group 3 is the key for a key:value item
block.SetKeyValue(m[3].Value, c);
}
else
{
// This case should not happen.
throw new YamlException(input, "Internal error; unmatched syntax: " + line);
}
if (parseLiteral)
{
string value = m[4].Value.Trim();
if ("|".Equals(value))
{
// Parse literal string. The multi-line literal stops when
// we encounter a potential key:value or sequence item at the
// same or outer scope level.
StringBuilder sb = new StringBuilder();
while ((line = input.readLine()) != null)
{
if ("...".Equals(line))
{
// end of document marker reached.
input.unreadLine(line);
break;
}
MatchCollection m2 = RE_SEQ_OR_KEY.Matches(line);
if (m2.Count > 1 && m2[1].Value.Length <= indent.Length)
{
// potential key:value or sequence item found.
input.unreadLine(line);
break;
}
sb.Append(line).Append('\n');
}
c.SetLiteral(sb.ToString());
}
else if (value.Length > 0)
{
c.SetLiteral(value);
}
}
if (!c.isLiteral() && !c.isMapping() && !c.isSequence())
{
line = input.readLine();
input.unreadLine(line);
MatchCollection m2 = RE_INDENT.Matches(line);
if (m2.Count > 1)
{
i2 = m2[1].Value;
if (i2.Length > indent.Length)
{
parseIntoContainer(input, c, i2);
}
}
}
}
else
{
throw new YamlException(input,
"'key:' or '- sequence' expected, found: " + line);
}
}
}
catch (YamlException e)
{
}
}
