/// <summary>
/// 执行字段提取
/// </summary>
/// <param name="pFeildRule"></param>
/// <returns></returns>
public string Exe(RegularFeildRule pFeildRule)
{
int sStart = 0;
if (pFeildRule.GroupTag != null && pFeildRule.GroupTag.Length > 0)
{
if (mGroupTagDic.TryGetValue(pFeildRule.GroupTag, out sStart) == false)
{
sStart = mOriHtml.IndexOf(pFeildRule.GroupTag, 0, StringComparison.OrdinalIgnoreCase);
mGroupTagDic[pFeildRule.GroupTag] = sStart;
}
}
if (sStart < 0) { return ""; } //组标记未找到，该组数据自动丧失
int sEnd = mOriHtml.Length;
if (pFeildRule.GroupEndTag != null && pFeildRule.GroupEndTag.Length > 0)
{
int sTmpEnd = mOriHtml.IndexOf(pFeildRule.GroupEndTag, sStart + (pFeildRule.GroupEndTag == null ? 0 : pFeildRule.GroupEndTag.Length), StringComparison.OrdinalIgnoreCase);
if (sTmpEnd > 0) { sEnd = sTmpEnd; }
}
StringBuilder sSb = new StringBuilder();
if (pFeildRule.Repeatable)
{
sStart = Exe(sStart, pFeildRule, sSb, sEnd);
while (sStart > 0)
{
sSb.Append("\n");
sStart = Exe(sStart, pFeildRule, sSb, sEnd);
}
}
else
{
Exe(sStart, pFeildRule, sSb, sEnd);
}
return sSb.ToString();
}
public string StartTag; //起始标记，包含
#endregion Fields
#region Methods
internal RegularFeildRule Clone()
{
RegularFeildRule sMetaFeild = new RegularFeildRule();
sMetaFeild.GroupTag = GroupTag;
sMetaFeild.GroupEndTag = GroupEndTag;
sMetaFeild.Repeatable = Repeatable;
sMetaFeild.ClearHtml = ClearHtml;
sMetaFeild.EndTag = EndTag;
sMetaFeild.RemoveWhiteSpace = RemoveWhiteSpace;
sMetaFeild.ReplacePairs = (string[])ReplacePairs.Clone();
sMetaFeild.StartTag = StartTag;
return sMetaFeild;
}
public bool RemoveWhiteSpace; //移除空白
internal RegularFeildRule Clone()
{
RegularFeildRule sMetaFeild = new RegularFeildRule();
sMetaFeild.GroupTag = GroupTag;
sMetaFeild.GroupEndTag = GroupEndTag;
sMetaFeild.Repeatable = Repeatable;
sMetaFeild.ClearHtml = ClearHtml;
sMetaFeild.EndTag = EndTag;
sMetaFeild.RemoveWhiteSpace = RemoveWhiteSpace;
sMetaFeild.ReplacePairs = (string[])ReplacePairs.Clone();
sMetaFeild.StartTag = StartTag;
return(sMetaFeild);
}
/// <summary>
/// 执行字段提取
/// </summary>
/// <param name="pFeildRule"></param>
/// <returns></returns>
public string Exe(RegularFeildRule pFeildRule)
{
int sStart = 0;
if (pFeildRule.GroupTag != null && pFeildRule.GroupTag.Length > 0)
{
if (mGroupTagDic.TryGetValue(pFeildRule.GroupTag, out sStart) == false)
{
sStart = mOriHtml.IndexOf(pFeildRule.GroupTag, 0, StringComparison.OrdinalIgnoreCase);
mGroupTagDic[pFeildRule.GroupTag] = sStart;
}
}
if (sStart < 0)
{
return("");
} //组标记未找到，该组数据自动丧失
int sEnd = mOriHtml.Length;
if (pFeildRule.GroupEndTag != null && pFeildRule.GroupEndTag.Length > 0)
{
int sTmpEnd = mOriHtml.IndexOf(pFeildRule.GroupEndTag, sStart + (pFeildRule.GroupEndTag == null ? 0 : pFeildRule.GroupEndTag.Length), StringComparison.OrdinalIgnoreCase);
if (sTmpEnd > 0)
{
sEnd = sTmpEnd;
}
}
StringBuilder sSb = new StringBuilder();
if (pFeildRule.Repeatable)
{
sStart = Exe(sStart, pFeildRule, sSb, sEnd);
while (sStart > 0)
{
sSb.Append("\n");
sStart = Exe(sStart, pFeildRule, sSb, sEnd);
}
}
else
{
Exe(sStart, pFeildRule, sSb, sEnd);
}
return(sSb.ToString());
}
public int Exe(int pStart, RegularFeildRule pFeildRule, StringBuilder pSb, int pEnd)
{
int x = pStart;
int y = pEnd;
#region 哈尔滨修改--通配符--修改前
//if (pFeildRule.StartTag != null && pFeildRule.StartTag.Length > 0)
//{
// x = mOriHtml.IndexOf(pFeildRule.StartTag, pStart, pEnd - pStart, StringComparison.OrdinalIgnoreCase);
//}
//if (x >= pStart)
//{
// x = x + (pFeildRule.StartTag == null ? 0 : pFeildRule.StartTag.Length);
// if (pFeildRule.EndTag != null && pFeildRule.EndTag.Length > 0)
// {
// y = mOriHtml.IndexOf(pFeildRule.EndTag, x, pEnd - x, StringComparison.OrdinalIgnoreCase);
// }
//}
#endregion
#region 哈尔滨修改--通配符--修改后
if (pFeildRule.StartTag != null && pFeildRule.StartTag.Length > 0)
{
List<string> list = new List<string>();
list = ExeStringList(pFeildRule.StartTag);
int xIndex = 0;
for (int i = 0; i < list.Count; i++)
{
x = mOriHtml.IndexOf(list[i], x, pEnd - x, StringComparison.OrdinalIgnoreCase);
if (x != -1)
x += list[i].Length;
if (i == 0)
{
if (x == -1)
break;
else
xIndex = x;
}
else
{
if (x == -1)
{
i = -1;
x = xIndex;
}
}
}
}
if (x >= pStart)
{
if (pFeildRule.EndTag != null && pFeildRule.EndTag.Length > 0)
{
List<string> list = new List<string>();
list = ExeStringList(pFeildRule.EndTag);
int yIndex = 0;
y = x;
for (int i = 0; i < list.Count; i++)
{
if (i != 0)
y += list[i - 1].Length;
y = mOriHtml.IndexOf(list[i], y, pEnd - y, StringComparison.OrdinalIgnoreCase);
if (i == 0)
{
if (y == -1)
break;
else
yIndex = y;
}
else
{
if (y == -1)
{
i = -1;
y = yIndex + list[0].Length;
}
}
}
}
}
#endregion
if (x >= pStart && y > x)
{
string s = mOriHtml.Substring(x, y - x); //取得原始资料
if (pFeildRule.ClearHtml)
{
s = mRegexScript.Replace(s, ""); //清除脚本
s = mRegexHtml.Replace(s, ""); //清除Html标签
}
if (pFeildRule.ReplacePairs != null && pFeildRule.ReplacePairs.Length > 0)
{
for (int i = 0; i < pFeildRule.ReplacePairs.Length; i++)
{
string[] sSpan = pFeildRule.ReplacePairs[i].Split('\t');
if (sSpan.Length > 1)
{
s = s.Replace(sSpan[0], sSpan[1]);
}
else
{
s = s.Replace(sSpan[0], "");
}
}
}
s = WebUtility.HtmlDecode(s);
if (pFeildRule.RemoveWhiteSpace)
{
for (int i = 0; i < s.Length; i++)
{
char c = s[i];
if (c == 12288)
{
c = (char)32;
}
else if (c > 65280 && c < 65375)
{
c = (char)(c - 65248);
}
if (!char.IsWhiteSpace(c))
{
pSb.Append(c);
}
}
}
else
{
pSb.Append(s.Trim());
}
return y + (pFeildRule.EndTag == null ? 0 : pFeildRule.EndTag.Length);
}
return -1; //不符合要求
}
public int Exe(int pStart, RegularFeildRule pFeildRule, StringBuilder pSb, int pEnd)
{
int x = pStart;
int y = pEnd;
#region 哈尔滨修改--通配符--修改前
//if (pFeildRule.StartTag != null && pFeildRule.StartTag.Length > 0)
//{
// x = mOriHtml.IndexOf(pFeildRule.StartTag, pStart, pEnd - pStart, StringComparison.OrdinalIgnoreCase);
//}
//if (x >= pStart)
//{
// x = x + (pFeildRule.StartTag == null ? 0 : pFeildRule.StartTag.Length);
// if (pFeildRule.EndTag != null && pFeildRule.EndTag.Length > 0)
// {
// y = mOriHtml.IndexOf(pFeildRule.EndTag, x, pEnd - x, StringComparison.OrdinalIgnoreCase);
// }
//}
#endregion
#region 哈尔滨修改--通配符--修改后
if (pFeildRule.StartTag != null && pFeildRule.StartTag.Length > 0)
{
List <string> list = new List <string>();
list = ExeStringList(pFeildRule.StartTag);
int xIndex = 0;
for (int i = 0; i < list.Count; i++)
{
x = mOriHtml.IndexOf(list[i], x, pEnd - x, StringComparison.OrdinalIgnoreCase);
if (x != -1)
{
x += list[i].Length;
}
if (i == 0)
{
if (x == -1)
{
break;
}
else
{
xIndex = x;
}
}
else
{
if (x == -1)
{
i = -1;
x = xIndex;
}
}
}
}
if (x >= pStart)
{
if (pFeildRule.EndTag != null && pFeildRule.EndTag.Length > 0)
{
List <string> list = new List <string>();
list = ExeStringList(pFeildRule.EndTag);
int yIndex = 0;
y = x;
for (int i = 0; i < list.Count; i++)
{
if (i != 0)
{
y += list[i - 1].Length;
}
y = mOriHtml.IndexOf(list[i], y, pEnd - y, StringComparison.OrdinalIgnoreCase);
if (i == 0)
{
if (y == -1)
{
break;
}
else
{
yIndex = y;
}
}
else
{
if (y == -1)
{
i = -1;
y = yIndex + list[0].Length;
}
}
}
}
}
#endregion
if (x >= pStart && y > x)
{
string s = mOriHtml.Substring(x, y - x); //取得原始资料
if (pFeildRule.ClearHtml)
{
s = mRegexScript.Replace(s, ""); //清除脚本
s = mRegexHtml.Replace(s, ""); //清除Html标签
}
if (pFeildRule.ReplacePairs != null && pFeildRule.ReplacePairs.Length > 0)
{
for (int i = 0; i < pFeildRule.ReplacePairs.Length; i++)
{
string[] sSpan = pFeildRule.ReplacePairs[i].Split('\t');
if (sSpan.Length > 1)
{
s = s.Replace(sSpan[0], sSpan[1]);
}
else
{
s = s.Replace(sSpan[0], "");
}
}
}
s = WebUtility.HtmlDecode(s);
if (pFeildRule.RemoveWhiteSpace)
{
for (int i = 0; i < s.Length; i++)
{
char c = s[i];
if (c == 12288)
{
c = (char)32;
}
else if (c > 65280 && c < 65375)
{
c = (char)(c - 65248);
}
if (!char.IsWhiteSpace(c))
{
pSb.Append(c);
}
}
}
else
{
pSb.Append(s.Trim());
}
return(y + (pFeildRule.EndTag == null ? 0 : pFeildRule.EndTag.Length));
}
return(-1); //不符合要求
}
