// 获得一个普通数据库的定义(包括数据库名captions，froms name captions)
// 格式为
/*
* <database>
* <caption lang="zh-cn">中文图书</caption>
* <caption lang="en">Chinese book</caption>
* <from style="title">
* <caption lang="zh-cn">题名</caption>
* <caption lang="en">Title</caption>
* </from>
* ...
* <from name="__id" />
* </database> * */
// return:
// -1 error
// 0 not found such database
// 1 found and succeed
public int GetDatabaseDef(
string strDbName,
out string strDef,
out string strError)
{
strError = "";
strDef = "";
int nRet = 0;
XmlDocument dom = new XmlDocument();
dom.LoadXml("<database />");
{
ResInfoItem dbitem = KernelDbInfo.GetDbItem(
this.root_dir_results,
strDbName);
if (dbitem == null)
{
strError = "根目录下没有找到名字为 '" + strDbName + "' 的数据库目录事项";
return(0);
}
// 在根下加入<caption>元素
for (int i = 0; i < dbitem.Names.Length; i++)
{
string strText = dbitem.Names[i];
nRet = strText.IndexOf(":");
if (nRet == -1)
{
strError = "names字符串 '" + strText + "' 格式不正确。";
return(-1);
}
string strLang = strText.Substring(0, nRet);
string strName = strText.Substring(nRet + 1);
XmlNode newnode = dom.CreateElement("caption");
dom.DocumentElement.AppendChild(newnode);
DomUtil.SetAttr(newnode, "lang", strLang);
DomUtil.SetNodeText(newnode, strName);
}
}
//
ResInfoItem[] fromitems = (ResInfoItem[])this.db_dir_results[strDbName];
if (fromitems == null)
{
strError = "db_dir_results中没有找到关于 '" + strDbName + "' 的下级目录事项";
return(0);
}
for (int i = 0; i < fromitems.Length; i++)
{
ResInfoItem item = fromitems[i];
if (item.Type != ResTree.RESTYPE_FROM)
{
continue;
}
// 插入<from>元素
XmlNode fromnode = dom.CreateElement("from");
dom.DocumentElement.AppendChild(fromnode);
DomUtil.SetAttr(fromnode, "style", item.TypeString); // style
if (item.Names == null)
{
continue;
}
// 插入caption
for (int j = 0; j < item.Names.Length; j++)
{
string strText = item.Names[j];
nRet = strText.IndexOf(":");
if (nRet == -1)
{
strError = "names字符串 '" + strText + "' 格式不正确。";
return(-1);
}
string strLang = strText.Substring(0, nRet);
string strName = strText.Substring(nRet + 1);
XmlNode newnode = dom.CreateElement("caption");
fromnode.AppendChild(newnode);
DomUtil.SetAttr(newnode, "lang", strLang);
DomUtil.SetNodeText(newnode, strName);
}
}
strDef = dom.OuterXml;
return(1);
}
// 初始化数据库和From的一些属性, 以便将来运行起来快速方便
// 在<database>元素下要插入若干<from>元素
// 这些信息属于软件初始化的范畴, 避免人工去配置
public int InitialAllProperty(
ResInfoItem[] root_dir_results,
Hashtable db_dir_results,
out string strError)
{
strError = "";
int nRet = 0;
if (nodeDatabase == null)
{
strError = "nodeDatabase尚未设置值";
return(-1);
}
if (this.IsVirtual != false)
{
strError = "该函数只适用于<database>元素的初始化";
return(-1);
}
string strDbName = DomUtil.GetAttr(nodeDatabase, "name");
RemoveChildren(nodeDatabase);
ResInfoItem dbitem = KernelDbInfo.GetDbItem(
root_dir_results,
strDbName);
if (dbitem == null)
{
strError = "根目录下没有找到名字为 '" + strDbName + "' 的数据库目录事项";
return(-1);
}
// 在下级加入<caption>元素
for (int i = 0; i < dbitem.Names.Length; i++)
{
string strText = dbitem.Names[i];
nRet = strText.IndexOf(":");
if (nRet == -1)
{
strError = "names字符串 '" + strText + "' 格式不正确。";
return(-1);
}
string strLang = strText.Substring(0, nRet);
string strName = strText.Substring(nRet + 1);
XmlNode newnode = nodeDatabase.OwnerDocument.CreateElement("caption");
newnode = nodeDatabase.AppendChild(newnode);
DomUtil.SetAttr(newnode, "lang", strLang);
DomUtil.SetNodeText(newnode, strName);
}
//
ResInfoItem[] fromitems = (ResInfoItem[])db_dir_results[strDbName];
if (fromitems == null)
{
strError = "db_dir_results中没有找到关于 '" + strDbName + "' 的下级目录事项";
return(-1);
}
for (int i = 0; i < fromitems.Length; i++)
{
ResInfoItem item = fromitems[i];
if (item.Type != ResTree.RESTYPE_FROM)
{
continue;
}
// 插入<from>元素
XmlNode fromnode = nodeDatabase.OwnerDocument.CreateElement("from");
fromnode = nodeDatabase.AppendChild(fromnode);
DomUtil.SetAttr(fromnode, "name", item.Name); // 当前工作语言下的名字
if (item.Names == null)
{
continue;
}
// 插入caption
for (int j = 0; j < item.Names.Length; j++)
{
string strText = item.Names[j];
nRet = strText.IndexOf(":");
if (nRet == -1)
{
strError = "names字符串 '" + strText + "' 格式不正确。";
return(-1);
}
string strLang = strText.Substring(0, nRet);
string strName = strText.Substring(nRet + 1);
XmlNode newnode = fromnode.OwnerDocument.CreateElement("caption");
newnode = fromnode.AppendChild(newnode);
DomUtil.SetAttr(newnode, "lang", strLang);
DomUtil.SetNodeText(newnode, strName);
}
}
return(0);
}
