src/main/java/org/wltea/analyzer/core/AnalyzeContext.java
void initCursor(){
    	this.cursor = 0;
    	this.segmentBuff[this.cursor] = CharacterUtil.regularize(this.segmentBuff[this.cursor],cfg.isEnableLowercase());
    	this.charTypes[this.cursor] = CharacterUtil.identifyCharType(this.segmentBuff[this.cursor]);
    }
void initCursor(){
    	this.cursor = 0;
    	this.segmentBuff[this.cursor] = CharacterUtil.regularize(this.segmentBuff[this.cursor],cfg.isEnableLowercase());
    	this.charTypes[this.cursor] = CharacterUtil.identifyCharType(this.segmentBuff[this.cursor]);
    }
初始化buff指针，处理第一个字符