晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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/*
* Summary: API to build regexp automata
* Description: the API to build regexp automata
*
* Copy: See Copyright for the status of this software.
*
* Author: Daniel Veillard
*/
#ifndef __XML_AUTOMATA_H__
#define __XML_AUTOMATA_H__
#include <libxml/xmlversion.h>
#include <libxml/tree.h>
#ifdef LIBXML_REGEXP_ENABLED
#ifdef LIBXML_AUTOMATA_ENABLED
#include <libxml/xmlregexp.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* xmlAutomataPtr:
*
* A libxml automata description, It can be compiled into a regexp
*/
typedef struct _xmlAutomata xmlAutomata;
typedef xmlAutomata *xmlAutomataPtr;
/**
* xmlAutomataStatePtr:
*
* A state int the automata description,
*/
typedef struct _xmlAutomataState xmlAutomataState;
typedef xmlAutomataState *xmlAutomataStatePtr;
/*
* Building API
*/
XMLPUBFUN xmlAutomataPtr XMLCALL
xmlNewAutomata (void);
XMLPUBFUN void XMLCALL
xmlFreeAutomata (xmlAutomataPtr am);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataGetInitState (xmlAutomataPtr am);
XMLPUBFUN int XMLCALL
xmlAutomataSetFinalState (xmlAutomataPtr am,
xmlAutomataStatePtr state);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewState (xmlAutomataPtr am);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewTransition (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewTransition2 (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
const xmlChar *token2,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewNegTrans (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
const xmlChar *token2,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewCountTrans (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
int min,
int max,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewCountTrans2 (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
const xmlChar *token2,
int min,
int max,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewOnceTrans (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
int min,
int max,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewOnceTrans2 (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
const xmlChar *token,
const xmlChar *token2,
int min,
int max,
void *data);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewAllTrans (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
int lax);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewEpsilon (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewCountedTrans (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
int counter);
XMLPUBFUN xmlAutomataStatePtr XMLCALL
xmlAutomataNewCounterTrans (xmlAutomataPtr am,
xmlAutomataStatePtr from,
xmlAutomataStatePtr to,
int counter);
XMLPUBFUN int XMLCALL
xmlAutomataNewCounter (xmlAutomataPtr am,
int min,
int max);
XMLPUBFUN xmlRegexpPtr XMLCALL
xmlAutomataCompile (xmlAutomataPtr am);
XMLPUBFUN int XMLCALL
xmlAutomataIsDeterminist (xmlAutomataPtr am);
#ifdef __cplusplus
}
#endif
#endif /* LIBXML_AUTOMATA_ENABLED */
#endif /* LIBXML_REGEXP_ENABLED */
#endif /* __XML_AUTOMATA_H__ */