// return:
// -1 error
// 0 normal
// 1 reach file end。strXml中无内容
public int GetOneDocument(
out string strXml,
out string strError)
{
strError = "";
strXml = "";
if (this.Stop == true)
{
strError = "用户中断";
return -1;
}
try
{
bool bRet = false;
while (m_reader.Name != "document")
{
// REDO:
while (true)
{
bRet = m_reader.Read();
if (bRet == false)
return 1;
if (m_reader.NodeType == XmlNodeType.Element)
break;
}
if (bRet == false)
return 1; // 结束
/*
if (m_reader.Name != "document")
goto REDO;
* */
}
strXml = m_reader.ReadOuterXml();
if (this.SetProgress != null)
{
SetProgressEventArgs e = new SetProgressEventArgs();
e.Start = 0;
e.End = m_file.Length;
e.Value = m_file.Position;
// Debug.WriteLine(m_file.Position.ToString());
this.SetProgress(this, e);
}
return 0;
}
catch (Exception ex)
{
strError = "读取XML文件 '" + this.XmlFilename + "' 时发生错误: " + ex.Message;
return -1;
}
}
public int Open(string strInputFileName,
out string strError)
{
strError = "";
try
{
m_file = File.Open(strInputFileName,
FileMode.Open,
FileAccess.Read);
}
catch (Exception ex)
{
strError = "打开文件 " + strInputFileName + " 失败: " + ex.Message;
return -1;
}
if (this.SetProgress != null)
{
SetProgressEventArgs e = new SetProgressEventArgs();
e.Start = 0;
e.End = m_file.Length;
e.Value = -1;
this.SetProgress(this, e);
}
this.XmlFilename = strInputFileName;
this.m_reader = new XmlTextReader(m_file);
while (true)
{
bool bRet = m_reader.Read();
if (bRet == false)
{
strError = "没有根元素";
return -1;
}
if (m_reader.NodeType == XmlNodeType.Element)
break;
}
string strPageSettingXml = "";
// return:
// -1 error
// 0 normal
// 1 reach file end。strXml中无内容
int nRet = GetPageSetting(
out strPageSettingXml,
out strError);
if (nRet == -1)
return -1;
if (nRet == 0)
{
this.m_pagesetting = new PageSetting();
nRet = this.m_pagesetting.Build(strPageSettingXml,
out strError);
if (nRet == -1)
return -1;
}
else
{
this.m_pagesetting = null; // 表示XML文件中没有定义
}
/*
m_reader.Close();
m_file = File.Open(strInputFileName,
FileMode.Open,
FileAccess.Read);
* */
m_file.Position = 0;
this.m_reader = new XmlTextReader(m_file);
this.m_nPageNo = 0;
this.m_pages.Clear();
this.EOF = false;
return 0;
}
void document_SetProgress(object sender, SetProgressEventArgs e)
{
Application.DoEvents();
if (e.Value == -1)
{
this.estimate.SetRange(e.Start, e.End);
this.stop.SetProgressRange(e.Start, e.End);
this.progressBar_records.Minimum = (int)e.Start;
this.progressBar_records.Maximum = (int)e.End;
}
else
{
if ((this.m_lCount++ % 10) == 1)
this.stop.SetMessage("剩余时间 " + ProgressEstimate.Format(this.estimate.Estimate(e.Value)) + " 已经过时间 " + ProgressEstimate.Format(this.estimate.delta_passed));
this.stop.SetProgressValue(e.Value);
// this.stop.SetMessage(e.Value.ToString() + " - " + (((double)e.Value / (double)e.End) * 100).ToString() + "%");
this.progressBar_records.Value = (int)e.Value;
}
}
