comfunction.cpp

液晶电视完整代码可实现人机界面

///////////////////////////////////////////////////////////////////////////////
//文件名：ComFunction.cpp
///////////////////////////////////////////////////////////////////////////////
#include "ComFunction.h"
#include "Com_wzser.h"
#include "Com_lzser.h"

tagCommuncatorFactoryConfig* ComFunction::m_config = new tagCommuncatorFactoryConfig;
bool ComFunction::m_IsLoaded = false;

///////////////////////////////////////////////////////////////////////////////
//从communcatorfactory.xml中载入配置参数
//可以用libxml2解析器进行处理
int ComFunction::GetParameterFromXML()
{
	int iRetval = 0, counter, seccounter;
	char conpath[50];
	
	memset( conpath, 0x0, sizeof(conpath));
	sprintf( conpath, "%s/etc/%s", getenv("WORKDIR"), CONFIGFILE);

	CBaseNode baseNode(conpath);
	bool bRetval = baseNode.IsReady();
	if(bRetval) //如果对XML初始化成功 那么开始读入XML中内容
	{
		
		baseNode.GetAttributeValue(baseNode.GetRootNode(), 
																"concreteclasscount", 
																m_config->theCountOfConcreteClass, "0");
		m_config->concreteClasses = (tagConcreteClass *)malloc(sizeof(tagConcreteClass) * atoi(m_config->theCountOfConcreteClass));

		NODELIST tagList = baseNode.GetRootNode()->children;
		counter = 0;
		while(tagList != NULL)
		{
			if(baseNode.IsRightNode(tagList, "concreteclass"))
			{
				baseNode.GetAttributeValue(tagList, "parametercount", m_config->concreteClasses[counter].theCountOfParameter, "0");
				baseNode.GetAttributeValue(tagList, "name", m_config->concreteClasses[counter].ClassName, "");
				
				//get parameter
				m_config->concreteClasses[counter].pameters = (tagParameter *)malloc(sizeof(tagParameter) * atoi(m_config->concreteClasses[counter].theCountOfParameter));				
				NODELIST chiList = tagList->children;
				seccounter = 0; 
				while(chiList != NULL)
				{
					if(baseNode.IsRightNode(chiList, "parameter"))
					{
						baseNode.GetAttributeValue(chiList, "name", m_config->concreteClasses[counter].pameters[seccounter].name, "");
						baseNode.GetAttributeValue(chiList, "value" , m_config->concreteClasses[counter].pameters[seccounter].value, "");
						
						seccounter++;
					}
					chiList = chiList->next;
				}
				counter++;
			}
	
			tagList = tagList->next;
		}
	}
	m_IsLoaded = true;
	return iRetval;
}

/////////////////////////////////////////////////////////////////////////////
//得到指定具体类的某一个参数
int ComFunction::GetConcreteClassOnePameterValue(const char* ConcreteClassName, const char* ParameterName, char* value)
{
	int I, J;
	bool bFindIt = false;
	
	if(!m_IsLoaded)
	{
		GetParameterFromXML();
	}
	
	if(atoi(m_config->theCountOfConcreteClass) > 0)
	{
		for(I = 0 ; I < atoi(m_config->theCountOfConcreteClass); I++)
		{
			if(strcmp(m_config->concreteClasses[I].ClassName, ConcreteClassName) == 0 )
			{	
				for(J = 0 ; J < atoi(m_config->concreteClasses[I].theCountOfParameter); J++)
				{
					if(strcmp(m_config->concreteClasses[I].pameters[J].name, ParameterName) == 0 )
					{
						memcpy(value, m_config->concreteClasses[I].pameters[J].value, strlen(m_config->concreteClasses[I].pameters[J].value));
						value[strlen(m_config->concreteClasses[I].pameters[J].value)] = 0;
						bFindIt = true;		
						break;
					}
				}
			}
			if(bFindIt) break;
		}
	} 
	return (bFindIt ? 0 : -1);
}