private void ProcessStartTagAttributes(HtmlDtd.TagDefinition tagDef)
{
switch (tagDef.tagIndex)
{
case HtmlTagIndex.A:
if (this.outputAnchorLinks)
{
foreach (HtmlAttribute attr in this.token.Attributes)
{
if (attr.NameIndex == HtmlNameIndex.Href)
{
if (attr.IsAttrBegin)
{
this.urlScratch.Reset();
}
this.urlScratch.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
break;
}
}
if (this.token.IsTagEnd)
{
BufferString url = this.urlScratch.BufferString;
url.TrimWhitespace();
if (url.Length != 0 && url[0] != '#' && url[0] != '?' && url[0] != ';')
{
if (!this.lineStarted)
{
this.StartParagraphOrLine();
}
string urlString = url.ToString();
if (urlString.IndexOf(' ') != -1)
{
urlString = urlString.Replace(" ", "%20");
}
this.output.AnchorUrl = urlString;
this.insideAnchor = true;
if (this.urlCompareSink == null)
{
this.urlCompareSink = new UrlCompareSink();
}
this.urlCompareSink.Initialize(urlString);
}
this.urlScratch.Reset();
}
}
break;
case HtmlTagIndex.Image:
case HtmlTagIndex.Img:
if (this.outputImageLinks)
{
foreach (HtmlAttribute attr in this.token.Attributes)
{
if (attr.NameIndex == HtmlNameIndex.Src)
{
if (attr.IsAttrBegin)
{
this.urlScratch.Reset();
}
this.urlScratch.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
}
else if (attr.NameIndex == HtmlNameIndex.Alt)
{
if (attr.IsAttrBegin)
{
this.imageAltText.Reset();
}
this.imageAltText.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
}
else if (attr.NameIndex == HtmlNameIndex.Height)
{
if (!attr.Value.IsEmpty)
{
PropertyValue value;
if (attr.Value.IsContiguous)
{
value = HtmlSupport.ParseNumber(attr.Value.ContiguousBufferString, HtmlSupport.NumberParseFlags.Length);
}
else
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
value = HtmlSupport.ParseNumber(this.scratch.BufferString, HtmlSupport.NumberParseFlags.Length);
}
if (value.IsAbsRelLength)
{
this.imageHeightPixels = value.PixelsInteger;
if (this.imageHeightPixels == 0)
{
this.imageHeightPixels = 1;
}
}
}
}
else if (attr.NameIndex == HtmlNameIndex.Width)
{
if (!attr.Value.IsEmpty)
{
PropertyValue value;
if (attr.Value.IsContiguous)
{
value = HtmlSupport.ParseNumber(attr.Value.ContiguousBufferString, HtmlSupport.NumberParseFlags.Length);
}
else
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
value = HtmlSupport.ParseNumber(this.scratch.BufferString, HtmlSupport.NumberParseFlags.Length);
}
if (value.IsAbsRelLength)
{
this.imageWidthPixels = value.PixelsInteger;
if (this.imageWidthPixels == 0)
{
this.imageWidthPixels = 1;
}
}
}
}
}
if (this.token.IsTagEnd)
{
string urlString = null;
string altString = null;
BufferString alt = this.imageAltText.BufferString;
alt.TrimWhitespace();
if (alt.Length != 0)
{
altString = alt.ToString();
}
if (altString == null || this.output.ImageRenderingCallbackDefined)
{
BufferString url = this.urlScratch.BufferString;
url.TrimWhitespace();
if (url.Length != 0)
{
urlString = url.ToString();
}
}
if (!this.lineStarted)
{
this.StartParagraphOrLine();
}
this.output.OutputImage(urlString, altString, this.imageWidthPixels, this.imageHeightPixels);
this.urlScratch.Reset();
this.imageAltText.Reset();
this.imageHeightPixels = 0;
this.imageWidthPixels = 0;
}
}
break;
case HtmlTagIndex.P:
if (this.token.Attributes.Find(HtmlNameIndex.Class) && this.token.Attributes.Current.Value.CaseInsensitiveCompareEqual("msonormal"))
{
this.wideGap = false;
this.nextParagraphCloseWideGap = false;
}
break;
case HtmlTagIndex.Font:
foreach (HtmlAttribute attr in this.token.Attributes)
{
if (attr.NameIndex == HtmlNameIndex.Face)
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
RecognizeInterestingFontName fontRecognizer = new RecognizeInterestingFontName();
for (int i = 0; i < this.scratch.Length && !fontRecognizer.IsRejected; i++)
{
fontRecognizer.AddCharacter(this.scratch.Buffer[i]);
}
this.textMapping = fontRecognizer.TextMapping;
break;
}
}
break;
case HtmlTagIndex.Span:
foreach (HtmlAttribute attr in this.token.Attributes)
{
if (attr.NameIndex == HtmlNameIndex.Style)
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr, HtmlSupport.MaxAttributeSize);
RecognizeInterestingFontNameInInlineStyle fontRecognizer = new RecognizeInterestingFontNameInInlineStyle();
for (int i = 0; i < this.scratch.Length && !fontRecognizer.IsFinished; i++)
{
fontRecognizer.AddCharacter(this.scratch.Buffer[i]);
}
this.textMapping = fontRecognizer.TextMapping;
break;
}
}
break;
}
}
private void ProcessStartTagAttributes(HtmlDtd.TagDefinition tagDef)
{
HtmlTagIndex tagIndex = tagDef.TagIndex;
if (tagIndex <= HtmlTagIndex.Font)
{
if (tagIndex != HtmlTagIndex.A)
{
if (tagIndex != HtmlTagIndex.Font)
{
return;
}
foreach (HtmlAttribute attr in this.token.Attributes)
{
if (attr.NameIndex == HtmlNameIndex.Face)
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr, 4096);
RecognizeInterestingFontName recognizeInterestingFontName = default(RecognizeInterestingFontName);
int num = 0;
while (num < this.scratch.Length && !recognizeInterestingFontName.IsRejected)
{
recognizeInterestingFontName.AddCharacter(this.scratch.Buffer[num]);
num++;
}
this.textMapping = recognizeInterestingFontName.TextMapping;
return;
}
}
return;
}
else if (this.outputAnchorLinks)
{
foreach (HtmlAttribute attr2 in this.token.Attributes)
{
if (attr2.NameIndex == HtmlNameIndex.Href)
{
if (attr2.IsAttrBegin)
{
this.urlScratch.Reset();
}
this.urlScratch.AppendHtmlAttributeValue(attr2, 4096);
break;
}
}
if (this.token.IsTagEnd)
{
BufferString bufferString = this.urlScratch.BufferString;
bufferString.TrimWhitespace();
if (bufferString.Length != 0 && bufferString[0] != '#' && bufferString[0] != '?' && bufferString[0] != ';')
{
if (!this.lineStarted)
{
this.StartParagraphOrLine();
}
string text = bufferString.ToString();
if (text.IndexOf(' ') != -1)
{
text = text.Replace(" ", "%20");
}
this.output.OpenAnchor(text);
this.insideAnchor = true;
if (this.urlCompareSink == null)
{
this.urlCompareSink = new UrlCompareSink();
}
this.urlCompareSink.Initialize(text);
}
this.urlScratch.Reset();
return;
}
}
}
else
{
switch (tagIndex)
{
case HtmlTagIndex.Image:
case HtmlTagIndex.Img:
if (this.outputImageLinks)
{
foreach (HtmlAttribute attr3 in this.token.Attributes)
{
if (attr3.NameIndex == HtmlNameIndex.Src)
{
if (attr3.IsAttrBegin)
{
this.urlScratch.Reset();
}
this.urlScratch.AppendHtmlAttributeValue(attr3, 4096);
}
else if (attr3.NameIndex == HtmlNameIndex.Alt)
{
if (attr3.IsAttrBegin)
{
this.imageAltText.Reset();
}
this.imageAltText.AppendHtmlAttributeValue(attr3, 4096);
}
else if (attr3.NameIndex == HtmlNameIndex.Height)
{
if (!attr3.Value.IsEmpty)
{
PropertyValue propertyValue;
if (attr3.Value.IsContiguous)
{
propertyValue = HtmlSupport.ParseNumber(attr3.Value.ContiguousBufferString, HtmlSupport.NumberParseFlags.Length);
}
else
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr3, 4096);
propertyValue = HtmlSupport.ParseNumber(this.scratch.BufferString, HtmlSupport.NumberParseFlags.Length);
}
if (propertyValue.IsAbsRelLength)
{
this.imageHeightPixels = propertyValue.PixelsInteger;
if (this.imageHeightPixels == 0)
{
this.imageHeightPixels = 1;
}
}
}
}
else if (attr3.NameIndex == HtmlNameIndex.Width && !attr3.Value.IsEmpty)
{
PropertyValue propertyValue2;
if (attr3.Value.IsContiguous)
{
propertyValue2 = HtmlSupport.ParseNumber(attr3.Value.ContiguousBufferString, HtmlSupport.NumberParseFlags.Length);
}
else
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr3, 4096);
propertyValue2 = HtmlSupport.ParseNumber(this.scratch.BufferString, HtmlSupport.NumberParseFlags.Length);
}
if (propertyValue2.IsAbsRelLength)
{
this.imageWidthPixels = propertyValue2.PixelsInteger;
if (this.imageWidthPixels == 0)
{
this.imageWidthPixels = 1;
}
}
}
}
if (this.token.IsTagEnd)
{
string imageUrl = null;
string text2 = null;
BufferString bufferString2 = this.imageAltText.BufferString;
bufferString2.TrimWhitespace();
if (bufferString2.Length != 0)
{
text2 = bufferString2.ToString();
}
if (text2 == null || this.output.ImageRenderingCallbackDefined)
{
BufferString bufferString3 = this.urlScratch.BufferString;
bufferString3.TrimWhitespace();
if (bufferString3.Length != 0)
{
imageUrl = bufferString3.ToString();
}
}
if (!this.lineStarted)
{
this.StartParagraphOrLine();
}
this.output.OutputImage(imageUrl, text2, this.imageWidthPixels, this.imageHeightPixels);
this.urlScratch.Reset();
this.imageAltText.Reset();
this.imageHeightPixels = 0;
this.imageWidthPixels = 0;
return;
}
}
break;
default:
if (tagIndex == HtmlTagIndex.P)
{
if (!this.shouldUseNarrowGapForPTagHtmlToTextConversion)
{
if (!this.token.Attributes.Find(HtmlNameIndex.Class))
{
break;
}
HtmlAttribute htmlAttribute = this.token.Attributes.Current;
if (!htmlAttribute.Value.CaseInsensitiveCompareEqual("msonormal"))
{
break;
}
}
this.wideGap = false;
this.nextParagraphCloseWideGap = false;
return;
}
if (tagIndex != HtmlTagIndex.Span)
{
return;
}
foreach (HtmlAttribute attr4 in this.token.Attributes)
{
if (attr4.NameIndex == HtmlNameIndex.Style)
{
this.scratch.Reset();
this.scratch.AppendHtmlAttributeValue(attr4, 4096);
RecognizeInterestingFontNameInInlineStyle recognizeInterestingFontNameInInlineStyle = default(RecognizeInterestingFontNameInInlineStyle);
int num2 = 0;
while (num2 < this.scratch.Length && !recognizeInterestingFontNameInInlineStyle.IsFinished)
{
recognizeInterestingFontNameInInlineStyle.AddCharacter(this.scratch.Buffer[num2]);
num2++;
}
this.textMapping = recognizeInterestingFontNameInInlineStyle.TextMapping;
return;
}
}
break;
}
}
}
