/// <summary>
/// 更新功能块数组列表。
/// </summary>
public override void UpdatePOUs()
{
// 当CPU为null的时候，有可能当前类还未初始化完毕；
if (this.CPU == null)
{
return;
}
this.DeleteAll();
IniFile iniFile = new IniFile(this.SourceFile);
string projectPath = FileName.GetFilePath(this.SourceFile);
int sectionType = 0; // 0 不关心；2 POE；9 LIBRARY
iniFile.LoopSections((section) =>
{
if (section.EndsWith("_FUNCTIONBLOCK", StringComparison.OrdinalIgnoreCase) ||
section.EndsWith("_FUNCTION", StringComparison.OrdinalIgnoreCase))
{
sectionType = 2;
return(true);
}
if (string.Equals(section, "LIBRARY", StringComparison.OrdinalIgnoreCase))
{
sectionType = 9;
return(true);
}
sectionType = 0;
return(false);
}, (key, value) =>
{
if (!string.IsNullOrEmpty(value) && key.IsPrefixIndex("FILE"))
{
string file, hardwareType;
switch (sectionType)
{
case 2:
// 工程本身的功能块
{
file = FileName.GetAbsoluteFileName(projectPath, value);
file = FileName.GetNewExtFileName(file, ".POE");
hardwareType = ViGlobal.GetPathHardwareName(projectPath, file);
// 没有硬件类型名称，或者硬件类型名称匹配的情况下，才将功能块加入
if (string.IsNullOrEmpty(hardwareType) ||
string.Equals(hardwareType, this.CPU.HardwareType, StringComparison.OrdinalIgnoreCase))
{
ViPOEBlockType blockType = ViIECPOEFile.GetBlockType(file);
if (blockType != null)
{
blockType.PouSource = this;
this.AddChild(blockType);
}
}
}
break;
case 9:
// 工程使用的 ViGET 库工程的功能块
{
file = FileName.GetAbsoluteFileName(ViGlobal.ProjODKPath, value);
file = FileName.GetNewExtFileName(file, ".VAR");
// 不能讲把自身作为一个库文件来使用，否则会造成死循环；
if (this.CPU.ProjectFile != null && !this.CPU.ProjectFile.Equals(file, StringComparison.OrdinalIgnoreCase))
{
ViPouSourceCPU cpu = new ViPouSourceCPU()
{
ProjectFile = file,
HardwareType = this.CPU.HardwareType,
};
ViCPUPouSource cpuSource = new ViCPUPouSource(cpu, ViPouAttributes.ProjectLibrary | (this.PouAttributes & ViPouAttributes.Public));
if (cpuSource != null)
{
this.AddChild(cpuSource);
}
}
}
break;
}
}
return(true);
});
// CPU 安装的硬件库的功能块
if (!string.IsNullOrEmpty(this.CPU.CPUName))
{
string globProt = ViGlobal.GetCPUENVPath(projectPath, this.CPU.CPUName) + "GLOBPROT.INC";
string infoFile = ViGlobal.GetCPUENVPath(projectPath, this.CPU.CPUName) + this.CPU.HardwareType + ".ini";
this.AddChild(new ViIncPouSource(globProt, infoFile, ViPouAttributes.CPULibrary | (this.PouAttributes & ViPouAttributes.Public)));
}
// ViGET 全局的功能块。对于安装的库工程，就不要这些信息了，否则就重复了
if (!string.IsNullOrEmpty(this.CPU.CPUName))
{
ArrayList alPouSources = ViGlobal.GetPouSources(this.CPU.HardwareType);
if (alPouSources != null)
{
foreach (ViPouSource source in alPouSources)
{
this.AddChild(source);
}
}
}
}
/// <summary>
/// 从功能块 Prototype 描述字符串中解析出功能块类型。
/// </summary>
/// <param name="decl">功能块 Prototype 描述字符串</param>
/// <returns>解析出的功能块类型。</returns>
public static ViPOEBlockType Parse(string decl)
{
return(ViIECPOEFile.GetBlockType(string.Empty, new StringReader(decl)));
}