private AstRoot Parse(CharSequence cs)
{
CompilerEnvirons compilerEnv = new CompilerEnvirons();
compilerEnv.InitFromContext(cx);
ErrorReporter compilationErrorReporter = compilerEnv.GetErrorReporter();
Parser p = new Parser(compilerEnv, compilationErrorReporter);
return p.Parse(cs.ToString(), "<eval>", 1);
}
/// <summary>Tokenizes the text and returns an array of tokens.</summary>
/// <remarks>Tokenizes the text and returns an array of tokens.</remarks>
/// <param name="text">The text</param>
/// <returns>The tokens</returns>
public static string[] Tokenize(CharSequence text)
{
string replaced = text.ToString().ReplaceAll(RE_U00A0, "'\u00A0'");
string match1 = PAT_WORD_BOUNDARY.Matcher(replaced).ReplaceAll("\u2063");
string match2 = PAT_NOT_WORD_BOUNDARY.Matcher(match1).ReplaceAll("$1");
string replaced2 = match2.ReplaceAll(RE_U2063, " ");
string trimmed = replaced2.Trim();
//string[] parts = trimmed.Split("[ ]+");
string[] parts = RE_SPACE_SPLITTER.Split(trimmed);
return parts;
}
private string Flatten()
{
lock (this)
{
if (depth > 0)
{
StringBuilder b = new StringBuilder(length);
AppendTo(b);
s1 = b.ToString();
s2 = string.Empty;
depth = 0;
}
return (string)s1;
}
}
/// <summary>
/// Compiles
/// <code>source</code>
/// and returns the transformed and optimized
/// <see cref="Rhino.Ast.ScriptNode">Rhino.Ast.ScriptNode</see>
/// </summary>
protected internal virtual ScriptNode Compile(CharSequence source)
{
string mainMethodClassName = "Main";
string scriptClassName = "Main";
CompilerEnvirons compilerEnv = new CompilerEnvirons();
compilerEnv.InitFromContext(cx);
ErrorReporter compilationErrorReporter = compilerEnv.GetErrorReporter();
Parser p = new Parser(compilerEnv, compilationErrorReporter);
AstRoot ast = p.Parse(source.ToString(), "<eval>", 1);
IRFactory irf = new IRFactory(compilerEnv);
ScriptNode tree = irf.TransformTree(ast);
Codegen codegen = new Codegen();
codegen.SetMainMethodClass(mainMethodClassName);
codegen.CompileToClassFile(compilerEnv, scriptClassName, tree, tree.GetEncodedSource(), false);
return tree;
}
// COPY: Partially copied from android.text.TextUtils
/// <summary>Returns a string containing the tokens joined by delimiters.</summary>
/// <remarks>Returns a string containing the tokens joined by delimiters.</remarks>
/// <param name="tokens">
/// an array objects to be joined. Strings will be formed from
/// the objects by calling object.toString().
/// </param>
public static string Join(CharSequence delimiter, IEnumerable tokens)
{
StringBuilder sb = new StringBuilder();
bool firstTime = true;
foreach (object token in tokens)
{
if (firstTime)
{
firstTime = false;
}
else
{
sb.Append(delimiter);
}
sb.Append(token);
}
return sb.ToString();
}
public ConsString(CharSequence str1, CharSequence str2)
{
s1 = str1;
s2 = str2;
length = str1.Length + str2.Length;
depth = 1;
if (str1 is Rhino.ConsString)
{
depth += ((Rhino.ConsString)str1).depth;
}
if (str2 is Rhino.ConsString)
{
depth += ((Rhino.ConsString)str2).depth;
}
// Don't let it grow too deep, can cause stack overflows
if (depth > 2000)
{
Flatten();
}
}
private static bool EqString(CharSequence x, object y)
{
for (; ; )
{
if (y == null || y == Undefined.instance)
{
return false;
}
else
{
if (y is CharSequence)
{
CharSequence c = (CharSequence)y;
return x.Length == c.Length && x.ToString().Equals(c.ToString());
}
else
{
if (y is Number)
{
return ToNumber(x.ToString()) == System.Convert.ToDouble(((Number)y));
}
else
{
if (y is bool)
{
return ToNumber(x.ToString()) == (((bool)y) ? 1.0 : 0.0);
}
else
{
if (y is Scriptable)
{
if (y is ScriptableObject)
{
object test = ((ScriptableObject)y).EquivalentValues(x.ToString());
if (test != ScriptableConstants.NOT_FOUND)
{
return ((bool)test);
}
}
y = ToPrimitive(y);
continue;
}
else
{
WarnAboutNonJSObject(y);
return false;
}
}
}
}
}
}
}
public static CharSequence Add(object val1, CharSequence val2)
{
return new ConsString(ToCharSequence(val1), val2);
}
public static CharSequence Add(CharSequence val1, object val2)
{
return new ConsString(val1, ToCharSequence(val2));
}
private static CharSequence Js_substring(Context cx, CharSequence target, object[] args)
{
int length = target.Length;
double start = ScriptRuntime.ToInteger(args, 0);
double end;
if (start < 0)
{
start = 0;
}
else
{
if (start > length)
{
start = length;
}
}
if (args.Length <= 1 || args[1] == Undefined.instance)
{
end = length;
}
else
{
end = ScriptRuntime.ToInteger(args[1]);
if (end < 0)
{
end = 0;
}
else
{
if (end > length)
{
end = length;
}
}
// swap if end < start
if (end < start)
{
if (cx.GetLanguageVersion() != Context.VERSION_1_2)
{
double temp = start;
start = end;
end = temp;
}
else
{
// Emulate old JDK1.0 java.lang.String.substring()
end = start;
}
}
}
return target.SubSequence((int)start, (int)end);
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override void WriteOne(CharSequence line)
{
pckOut.WriteString(line.ToString());
}
public ByteBuffer Encode (CharSequence str)
{
return Encode (str.ToString ());
}
/// <summary>Tokenizes the text and returns an array of tokens.</summary>
/// <remarks>Tokenizes the text and returns an array of tokens.</remarks>
/// <param name="text">The text</param>
/// <returns>The tokens</returns>
public static string[] Tokenize(CharSequence text)
{
return PAT_NOT_WORD_BOUNDARY.Matcher(PAT_WORD_BOUNDARY.Matcher(text.ToString().ReplaceAll ("\u00A0","'\u00A0'")).ReplaceAll("\u2063"
)).ReplaceAll("$1").ReplaceAll("[ \u2063]+", " ").Trim().Split("[ ]+");
}
private object Eval(CharSequence cs)
{
return cx.EvaluateString(scope, cs.ToString(), "<eval>", 1, null);
}
private bool IsClause(CharSequence text)
{
Matcher m = PAT_WHITESPACE.Matcher(text.ToString());
int n = 1;
while (m.Find())
{
n++;
if (n >= minWords)
{
return true;
}
}
return n >= minWords;
}
public virtual void MergeNext(NBoilerpipe.Document.TextBlock other)
{
StringBuilder sb = new StringBuilder ();
sb.Append (text);
sb.Append ('\n');
sb.Append (other.text);
this.text = sb.ToString ();
numWords += other.numWords;
numWordsInAnchorText += other.numWordsInAnchorText;
numWordsInWrappedLines += other.numWordsInWrappedLines;
numWrappedLines += other.numWrappedLines;
offsetBlocksStart = Math.Min (offsetBlocksStart, other.offsetBlocksStart);
offsetBlocksEnd = Math.Max (offsetBlocksEnd, other.offsetBlocksEnd);
InitDensities ();
this.isContent |= other.isContent;
if (containedTextElements == null) {
containedTextElements = (BitSet)other.containedTextElements.Clone ();
} else {
containedTextElements.Or (other.containedTextElements);
}
numFullTextWords += other.numFullTextWords;
if (other.labels != null) {
if (labels == null) {
labels = new HashSet<string> (other.labels);
} else {
Sharpen.Collections.AddAll (labels, other.labels);
}
}
tagLevel = Math.Min (tagLevel, other.tagLevel);
}
private static CharSequence Js_slice(CharSequence target, object[] args)
{
if (args.Length != 0)
{
double begin = ScriptRuntime.ToInteger(args[0]);
double end;
int length = target.Length;
if (begin < 0)
{
begin += length;
if (begin < 0)
{
begin = 0;
}
}
else
{
if (begin > length)
{
begin = length;
}
}
if (args.Length == 1)
{
end = length;
}
else
{
end = ScriptRuntime.ToInteger(args[1]);
if (end < 0)
{
end += length;
if (end < 0)
{
end = 0;
}
}
else
{
if (end > length)
{
end = length;
}
}
if (end < begin)
{
end = begin;
}
}
return target.SubSequence((int)begin, (int)end);
}
return target;
}
/// <summary>
/// Checks every variable
/// <code>v</code>
/// in
/// <code>source</code>
/// is marked as a
/// number-variable iff
/// <code>numbers</code>
/// contains
/// <code>v</code>
/// </summary>
protected internal virtual void AssertNumberVars(CharSequence source, params string[] numbers)
{
// wrap source in function
ScriptNode tree = Compile("function f(o, fn){" + source + "}");
FunctionNode fnode = tree.GetFunctionNode(0);
NUnit.Framework.Assert.IsNotNull(fnode);
OptFunctionNode opt = OptFunctionNode.Get(fnode);
NUnit.Framework.Assert.IsNotNull(opt);
NUnit.Framework.Assert.AreSame(fnode, opt.fnode);
for (int i = 0, c = fnode.GetParamCount(); i < c; ++i)
{
NUnit.Framework.Assert.IsTrue(opt.IsParameter(i));
NUnit.Framework.Assert.IsFalse(opt.IsNumberVar(i));
}
ICollection<string> set = new HashSet<string>(Arrays.AsList(numbers));
for (int i_1 = fnode.GetParamCount(), c_1 = fnode.GetParamAndVarCount(); i_1 < c_1; ++i_1)
{
NUnit.Framework.Assert.IsFalse(opt.IsParameter(i_1));
string name = fnode.GetParamOrVarName(i_1);
string msg = string.Format("{%s -> number? = %b}", name, opt.IsNumberVar(i_1));
NUnit.Framework.Assert.AreEqual(set.Contains(name), opt.IsNumberVar(i_1), msg);
}
}
public virtual void MergeNext (NBoilerpipePortable.Document.TextBlock other)
{
if (other.nearbyImages != null)
{
if (nearbyImages != null)
nearbyImages.AddRange(other.nearbyImages.Select(imgTpl => Tuple.Create(imgTpl.Item1 + text.Length, imgTpl.Item2)));
else
{
//rebase the image index off the current text length
nearbyImages = other.nearbyImages.Select(imgTpl => Tuple.Create(imgTpl.Item1 + text.Length, imgTpl.Item2)).ToList();
}
}
StringBuilder sb = new StringBuilder ();
sb.Append (text);
sb.Append ('\n');
sb.Append (other.text);
this.text = sb.ToString ();
numWords += other.numWords;
numWordsInAnchorText += other.numWordsInAnchorText;
numWordsInWrappedLines += other.numWordsInWrappedLines;
numWrappedLines += other.numWrappedLines;
offsetBlocksStart = Math.Min (offsetBlocksStart, other.offsetBlocksStart);
offsetBlocksEnd = Math.Max (offsetBlocksEnd, other.offsetBlocksEnd);
InitDensities ();
this.isContent |= other.isContent;
if (containedTextElements == null) {
containedTextElements = (BitSet)other.containedTextElements.Clone ();
} else {
containedTextElements.Or (other.containedTextElements);
}
numFullTextWords += other.numFullTextWords;
if (other.labels != null) {
if (labels == null) {
labels = new HashSet<string> (other.labels);
} else {
foreach (var label in other.labels)
labels.Add(label);
}
}
tagLevel = Math.Min (tagLevel, other.tagLevel);
}
/// <summary>Write a single advertisement line.</summary> /// <remarks>Write a single advertisement line.</remarks> /// <param name="line"> /// the advertisement line to be written. The line always ends /// with LF. Never null or the empty string. /// </param> /// <exception cref="System.IO.IOException"> /// the underlying output stream failed to write out an /// advertisement record. /// </exception> protected internal abstract void WriteOne(CharSequence line);
private string ToSource(CharSequence cs)
{
return Parse(cs).ToSource();
}
private static void AppendFragment(CharSequence s, StringBuilder b)
{
if (s is Rhino.ConsString)
{
((Rhino.ConsString)s).AppendTo(b);
}
else
{
b.Append(s);
}
}
public Matcher Reset (CharSequence str)
{
return Reset (str.ToString ());
}
public static ByteBuffer Encode(this Encoding e, CharSequence str)
{
return(ByteBuffer.Wrap(e.GetBytes(str.ToString())));
}
internal NativeString(CharSequence s)
{
@string = s;
}
