建造模式C语言实现

【说明】建造模式的C语言实现，改写自http://blog.csdn.net/sx_wpc/article/details/7659179一文的代码。

【代码清单】

typedef.h

#ifndef __TYPEDEF_H__#define __TYPEDEF_H__#include <stdio.h>#include <stdlib.h>#ifdef __cplusplusextern "C" {#endiftypedef enum _Ret{RET_OK,RET_FAIL}Ret;#define return_if_fail(p)\if(!(p)){\printf("%s:%d Warning:"#p"Failed\n",__func__,__LINE__);\return;}#define return_val_if_fail(p, ret)\if(!(p)){\printf("%s:%d Warning:"#p"Failed\n",__func__,__LINE__);\return (ret);}#define SAFE_FREE(p) if(p != NULL){free(p); p = NULL;}#ifdef __cplusplus}#endif#endif

personbuilder.h

#ifndef __PERSONBUILDER_H__#define __PERSONBUILDER_H__#include "typedef.h"#ifdef __cplusplusextern "C" {#endifenum PersonSize{    P_WIDTH = 21,    P_HEIGHT = 12};struct _PersonBuilder;typedef struct _PersonBuilder PersonBuilder;struct _PersonBuilder{char element[P_HEIGHT][P_WIDTH];void (*build_head)(void *pPersonBuilder);void (*build_body)(void *pPersonBuilder);void (*build_arm_left)(void *pPersonBuilder);void (*build_arm_right)(void *pPersonBuilder);void (*build_leg_left)(void *pPersonBuilder);void (*build_leg_right)(void *pPersonBuilder);void (*person_display)(void *pPersonBuilder);void (*destroy)(void *pBuilder);};static inline void build_head(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->build_head != NULL){thiz->build_head(thiz);}}static inline void build_body(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->build_body != NULL){thiz->build_body(thiz);}}static inline void build_arm_left(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->build_arm_left != NULL){thiz->build_arm_left(thiz);}}static inline void build_arm_right(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->build_arm_right != NULL){thiz->build_arm_right(thiz);}}static inline void build_leg_left(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->build_leg_left != NULL){thiz->build_leg_left(thiz);}}static inline void build_leg_right(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->build_leg_right != NULL){thiz->build_leg_right(thiz);}}static inline void person_display(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->person_display != NULL){thiz->person_display(thiz);}}static inline void person_destroy(PersonBuilder *thiz){return_if_fail(thiz != NULL);if(thiz->destroy != NULL){thiz->destroy(thiz);}}#ifdef __cplusplus}#endif#endif

thinbuilder.h

#ifndef __THINBUILDER_H__#define __THINBUILDER_H__#include "personbuilder.h"#ifdef __cplusplusextern "C" {#endifstruct _ThinBuilder;typedef struct _ThinBuilder ThinBuilder;struct _ThinBuilder{PersonBuilder person;};ThinBuilder *thin_builder_create(void);#ifdef __cplusplus}#endif#endif

thinbuilder.c

#include <stdio.h>#include <stdlib.h>#include <string.h>#include "thinbuilder.h"static void thin_build_head(void *pThinBuilder){    strcpy(((ThinBuilder *)pThinBuilder)->person.element[0], "                    ");    strcpy(((ThinBuilder *)pThinBuilder)->person.element[1], "        |~~|        ");    strcpy(((ThinBuilder *)pThinBuilder)->person.element[2], "        |__|        ");    strcpy(((ThinBuilder *)pThinBuilder)->person.element[3], "         ||         ");}static void thin_build_body(void *pThinBuilder){    strcpy(((ThinBuilder *)pThinBuilder)->person.element[4], "        |~~|        ");    strcpy(((ThinBuilder *)pThinBuilder)->person.element[5], "        |  |        ");    strcpy(((ThinBuilder *)pThinBuilder)->person.element[6], "        |  |        ");    strcpy(((ThinBuilder *)pThinBuilder)->person.element[7], "        |__|        ");    }static void thin_build_arm_left(void *pThinBuilder){        strncpy(((ThinBuilder *)pThinBuilder)->person.element[4], "     ||-", 8);    strncpy(((ThinBuilder *)pThinBuilder)->person.element[5], "     || ", 8);    strncpy(((ThinBuilder *)pThinBuilder)->person.element[6], "     || ", 8);    strncpy(((ThinBuilder *)pThinBuilder)->person.element[7], "     || ", 8);}static void thin_build_arm_right(void *pThinBuilder){    strncpy(((ThinBuilder *)pThinBuilder)->person.element[4] + 12, "-||", 3);    strncpy(((ThinBuilder *)pThinBuilder)->person.element[5] + 12, " ||", 3);    strncpy(((ThinBuilder *)pThinBuilder)->person.element[6] + 12, " ||", 3);    strncpy(((ThinBuilder *)pThinBuilder)->person.element[7] + 12, " ||", 3);}static void thin_build_leg_left(void *pThinBuilder){         strncpy(((ThinBuilder *)pThinBuilder)->person.element[8], "        //", 10);      strncpy(((ThinBuilder *)pThinBuilder)->person.element[9], "       // ", 10);      strncpy(((ThinBuilder *)pThinBuilder)->person.element[10], "      //  ", 10);      strncpy(((ThinBuilder *)pThinBuilder)->person.element[11], "     //   ", 10);  }static void thin_build_leg_right(void *pThinBuilder){        strcpy(((ThinBuilder *)pThinBuilder)->person.element[8] + 10, "\\\\        ");      strcpy(((ThinBuilder *)pThinBuilder)->person.element[9] + 10, " \\\\       ");      strcpy(((ThinBuilder *)pThinBuilder)->person.element[10] + 10, "  \\\\      ");      strcpy(((ThinBuilder *)pThinBuilder)->person.element[11] + 10, "   \\\\     "); }static void thin_display(void *pThinBuilder){    ThinBuilder *temp = pThinBuilder;    int i;    for(i = 0; i < P_HEIGHT; i++)    {        printf(" %s\n", temp->person.element[i]);    }}static void thin_destroy(void *thiz){if(thiz != NULL){SAFE_FREE(thiz);}}ThinBuilder *thin_builder_create(void){ThinBuilder *thiz = malloc(sizeof(ThinBuilder));if(thiz != NULL){thiz->person.build_head = thin_build_head;thiz->person.build_body = thin_build_body;thiz->person.build_arm_left = thin_build_arm_left;thiz->person.build_arm_right = thin_build_arm_right;thiz->person.build_leg_left = thin_build_leg_left;thiz->person.build_leg_right = thin_build_leg_right;thiz->person.person_display = thin_display;thiz->person.destroy = thin_destroy;}return thiz;}

fatbuilder.h

#ifndef __FATBUILDER_H__#define __FATBUILDER_H__#include "personbuilder.h"#ifdef __cplusplusextern "C" {#endifstruct _FatBuilder;typedef struct _FatBuilder FatBuilder;struct _FatBuilder{PersonBuilder person;};FatBuilder *fat_builder_create(void);#ifdef __cplusplus}#endif#endif

fatbuilder.c

#include <stdio.h>#include <stdlib.h>#include <string.h>#include "fatbuilder.h"static void fat_build_head(void *pFatBuilder){    strcpy(((FatBuilder *)pFatBuilder)->person.element[0], "                    ");    strcpy(((FatBuilder *)pFatBuilder)->person.element[1], "       |~~~~|       ");    strcpy(((FatBuilder *)pFatBuilder)->person.element[2], "       |____|       ");    strcpy(((FatBuilder *)pFatBuilder)->person.element[3], "        |  |        ");}static void fat_build_body(void *pFatBuilder){    strcpy(((FatBuilder *)pFatBuilder)->person.element[4], "       |~~~~|       ");    strcpy(((FatBuilder *)pFatBuilder)->person.element[5], "       |    |       ");    strcpy(((FatBuilder *)pFatBuilder)->person.element[6], "       |    |       ");    strcpy(((FatBuilder *)pFatBuilder)->person.element[7], "       |____|       ");    }static void fat_build_arm_left(void *pFatBuilder){        strncpy(((FatBuilder *)pFatBuilder)->person.element[4], "   |~|~", 7);    strncpy(((FatBuilder *)pFatBuilder)->person.element[5], "   | | ", 7);    strncpy(((FatBuilder *)pFatBuilder)->person.element[6], "   | | ", 7);    strncpy(((FatBuilder *)pFatBuilder)->person.element[7], "   | | ", 7);}static void fat_build_arm_right(void *pFatBuilder){    strncpy(((FatBuilder *)pFatBuilder)->person.element[4] + 13, "~|~|", 4);    strncpy(((FatBuilder *)pFatBuilder)->person.element[5] + 13, " | |", 4);    strncpy(((FatBuilder *)pFatBuilder)->person.element[6] + 13, " | |", 4);    strncpy(((FatBuilder *)pFatBuilder)->person.element[7] + 13, " | |", 4);}static void fat_build_leg_left(void *pFatBuilder){         strncpy(((FatBuilder *)pFatBuilder)->person.element[8], "       / /", 10);      strncpy(((FatBuilder *)pFatBuilder)->person.element[9], "      / / ", 10);      strncpy(((FatBuilder *)pFatBuilder)->person.element[10], "     / /  ", 10);      strncpy(((FatBuilder *)pFatBuilder)->person.element[11], "    / /   ", 10);  }static void fat_build_leg_right(void *pFatBuilder){        strcpy(((FatBuilder *)pFatBuilder)->person.element[8] + 10, "\\ \\       ");      strcpy(((FatBuilder *)pFatBuilder)->person.element[9] + 10, " \\ \\      ");      strcpy(((FatBuilder *)pFatBuilder)->person.element[10] + 10, "  \\ \\     ");      strcpy(((FatBuilder *)pFatBuilder)->person.element[11] + 10, "   \\ \\    "); }static void fat_display(void *pFatBuilder){    FatBuilder *temp = pFatBuilder;    int i;    for(i = 0; i < P_HEIGHT; i++)    {        printf(" %s\n", temp->person.element[i]);    }}static void fat_destroy(void *thiz){if(thiz != NULL){SAFE_FREE(thiz);}}FatBuilder *fat_builder_create(void){FatBuilder *thiz = malloc(sizeof(FatBuilder));if(thiz != NULL){thiz->person.build_head = fat_build_head;thiz->person.build_body = fat_build_body;thiz->person.build_arm_left = fat_build_arm_left;thiz->person.build_arm_right = fat_build_arm_right;thiz->person.build_leg_left = fat_build_leg_left;thiz->person.build_leg_right = fat_build_leg_right;thiz->person.person_display = fat_display;thiz->person.destroy = fat_destroy;}return thiz;}

builderclient.h

#ifndef __BUILDERCLIENT_H__#define __BUILDERCLIENT_H__#include "personbuilder.h"#ifdef __cplusplusextern "C" {#endifstruct _BuilderClient;typedef struct _BuilderClient BuilderClient;struct _BuilderClient{PersonBuilder *builder;};void set_builder(BuilderClient *thiz, PersonBuilder *builder);void person_create(BuilderClient *thiz);#ifdef __cplusplus}#endif#endif

builderclient.c

#include <stdio.h>#include <stdlib.h>#include "builderclient.h"void set_builder(BuilderClient *thiz, PersonBuilder *builder){thiz->builder = builder;return ;}void person_create(BuilderClient *thiz){return_if_fail(thiz != NULL);thiz->builder->build_head(thiz->builder);thiz->builder->build_body(thiz->builder);thiz->builder->build_arm_left(thiz->builder);thiz->builder->build_arm_right(thiz->builder);thiz->builder->build_leg_left(thiz->builder);thiz->builder->build_leg_right(thiz->builder);}

test.c

#include <stdio.h>#include <stdlib.h>#include "builderclient.h"#include "thinbuilder.h"#include "fatbuilder.h"int main(int argc, char **argv){BuilderClient *client = malloc(sizeof(BuilderClient));PersonBuilder *builder = (PersonBuilder *)thin_builder_create();set_builder(client, builder);person_create(client);person_display(builder);person_destroy(builder);return 0;}

Makefile

exe:=testtemp := $(wildcard test *~) all:test.c personbuilder.h thinbuilder.h thinbuilder.c fatbuilder.h fatbuilder.c builderclient.h builderclient.c typedef.hgcc -g $^ -o $(exe)clean:rm $(temp)

 

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