/// <summary>
/// Forbid compoundings when there are special patterns at word bound.
/// </summary>
public bool Check(string word, int pos, WordEntry r1, WordEntry r2, bool affixed)
{
var wordAfterPos = word.Substring(pos);
foreach (var patternEntry in items)
{
int len;
if (
StringEx.IsSubset(patternEntry.Pattern2, wordAfterPos)
&&
(
r1 == null
||
patternEntry.Condition.IsZero
||
r1.ContainsFlag(patternEntry.Condition)
)
&&
(
r2 == null
||
patternEntry.Condition2.IsZero
||
r2.ContainsFlag(patternEntry.Condition2)
)
&&
// zero length pattern => only TESTAFF
// zero pattern (0/flag) => unmodified stem (zero affixes allowed)
(
string.IsNullOrEmpty(patternEntry.Pattern)
||
(
(
patternEntry.Pattern.StartsWith('0') &&
r1.Word.Length <= pos &&
StringEx.EqualsOffset(word, pos - r1.Word.Length, r1.Word, 0, r1.Word.Length)
)
||
(
!patternEntry.Pattern.StartsWith('0')
&&
(
(
len = patternEntry.Pattern.Length
) != 0
)
&&
StringEx.EqualsOffset(word, pos - len, patternEntry.Pattern, 0, len)
)
)
)
)
{
return(true);
}
}
return(false);
}
public SpellCheckResult CheckDetails()
{
var word = WordToCheck;
if (string.IsNullOrEmpty(word) || word.Length >= MaxWordUtf8Len || !WordList.HasEntries)
{
return(new SpellCheckResult(false));
}
if (word == DefaultXmlToken)
{
// Hunspell supports XML input of the simplified API (see manual)
return(new SpellCheckResult(true));
}
// input conversion
if (!Affix.InputConversions.HasReplacements || !Affix.InputConversions.TryConvert(word, out string convertedWord))
{
convertedWord = word;
}
if (!CleanWord2(out string scw, convertedWord, out CapitalizationType capType, out int abbv))
{
return(new SpellCheckResult(false));
}
if (HunspellTextFunctions.IsNumericWord(word))
{
// allow numbers with dots, dashes and commas (but forbid double separators: "..", "--" etc.)
return(new SpellCheckResult(true));
}
var resultType = SpellCheckResultType.None;
string root = null;
WordEntry rv = null;
if (capType == CapitalizationType.Huh || capType == CapitalizationType.HuhInit || capType == CapitalizationType.None)
{
if (capType == CapitalizationType.HuhInit)
{
resultType |= SpellCheckResultType.OrigCap;
}
rv = CheckWord(scw, ref resultType, out root);
if (abbv != 0 && rv == null)
{
rv = CheckWord(scw + ".", ref resultType, out root);
}
}
else if (capType == CapitalizationType.All)
{
rv = CheckDetailsAllCap(abbv, ref scw, ref resultType, out root);
}
if (capType == CapitalizationType.Init || (capType == CapitalizationType.All && rv == null))
{
rv = CheckDetailsInitCap(abbv, capType, ref scw, ref resultType, out root);
}
if (rv != null)
{
if (rv.ContainsFlag(Affix.Warn))
{
resultType |= SpellCheckResultType.Warn;
if (Affix.ForbidWarn)
{
return(new SpellCheckResult(root, resultType, false));
}
}
return(new SpellCheckResult(root, resultType, true));
}
// recursive breaking at break points
if (Affix.BreakPoints.HasItems && !EnumEx.HasFlag(resultType, SpellCheckResultType.Forbidden))
{
// calculate break points for recursion limit
if (Affix.BreakPoints.FindRecursionLimit(scw) >= 10)
{
return(new SpellCheckResult(root, resultType, false));
}
// check boundary patterns (^begin and end$)
foreach (var breakEntry in Affix.BreakPoints)
{
if (breakEntry.Length == 1 || breakEntry.Length > scw.Length)
{
continue;
}
var pLastIndex = breakEntry.Length - 1;
if (
breakEntry.StartsWith('^') &&
StringEx.EqualsOffset(scw, 0, breakEntry, 1, pLastIndex) &&
Check(scw.Substring(pLastIndex))
)
{
return(new SpellCheckResult(root, resultType, true));
}
if (breakEntry.EndsWith('$'))
{
var wlLessBreakIndex = scw.Length - breakEntry.Length + 1;
if (
StringEx.EqualsOffset(scw, wlLessBreakIndex, breakEntry, 0, pLastIndex) &&
Check(scw.Substring(0, wlLessBreakIndex))
)
{
return(new SpellCheckResult(root, resultType, true));
}
}
}
// other patterns
foreach (var breakEntry in Affix.BreakPoints)
{
var found = scw.IndexOfOrdinal(breakEntry);
var remainingLength = scw.Length - breakEntry.Length;
if (found > 0 && found < remainingLength)
{
var found2 = scw.IndexOfOrdinal(breakEntry, found + 1);
// try to break at the second occurance
// to recognize dictionary words with wordbreak
if (found2 > 0 && (found2 < remainingLength))
{
found = found2;
}
if (!Check(scw.Substring(found + breakEntry.Length)))
{
continue;
}
// examine 2 sides of the break point
if (Check(scw.Substring(0, found)))
{
return(new SpellCheckResult(root, resultType, true));
}
// LANG_hu: spec. dash rule
if (Affix.IsHungarian && "-".Equals(breakEntry, StringComparison.Ordinal))
{
if (Check(scw.Substring(0, found + 1)))
{
return(new SpellCheckResult(root, resultType, true));
}
}
}
}
// other patterns (break at first break point)
foreach (var breakEntry in Affix.BreakPoints)
{
var found = scw.IndexOfOrdinal(breakEntry);
var remainingLength = scw.Length - breakEntry.Length;
if (found > 0 && found < remainingLength)
{
if (!Check(scw.Substring(found + breakEntry.Length)))
{
continue;
}
// examine 2 sides of the break point
if (Check(scw.Substring(0, found)))
{
return(new SpellCheckResult(root, resultType, true));
}
// LANG_hu: spec. dash rule
if (Affix.IsHungarian && "-".Equals(breakEntry, StringComparison.Ordinal))
{
if (Check(scw.Substring(0, found + 1)))
{
return(new SpellCheckResult(root, resultType, true));
}
}
}
}
}
return(new SpellCheckResult(root, resultType, false));
}
private static bool PatternWordCheck(string word, int pos, string other) => other.Length <= pos && StringEx.EqualsOffset(word, pos - other.Length, other, 0, other.Length);
internal bool Pattern3DoesNotMatch(string word, int offset) => Pattern3.Length == 0 || !StringEx.EqualsOffset(word, offset, Pattern3, 0, Pattern3.Length);
