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Separate source and header files

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This commit is contained in:
Eric Fischer 2014-02-05 21:27:48 -08:00
parent 281b98e3d8
commit 7983c66add
3 changed files with 118 additions and 103 deletions
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83
jsoncat.c Normal file
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@ -0,0 +1,83 @@
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <stdarg.h>
#include "jsonpull.h"
static void indent(int depth) {
int i;
for (i = 0; i < depth; i++) {
printf(" ");
}
}
void json_print(json_object *j, int depth) {
if (j == NULL) {
printf("NULL");
} else if (j->type == JSON_STRING) {
printf("\"%s\"", j->string);
} else if (j->type == JSON_NUMBER) {
printf("%f", j->number);
} else if (j->type == JSON_NULL) {
printf("null");
} else if (j->type == JSON_TRUE) {
printf("true");
} else if (j->type == JSON_FALSE) {
printf("false");
} else if (j->type == JSON_HASH) {
printf("{\n");
indent(depth + 1);
json_hash *h = j->hash;
while (h != NULL) {
json_print(h->key, depth + 1);
printf(" : ");
json_print(h->value, depth + 1);
if (h->next != NULL) {
printf(",\n");
indent(depth + 1);
}
h = h->next;
}
printf("\n");
indent(depth);
printf("}");
} else if (j->type == JSON_ARRAY) {
printf("[\n");
indent(depth + 1);
json_array *a = j->array;
while (a != NULL) {
json_print(a->object, depth + 1);
if (a->next != NULL) {
printf(",\n");
indent(depth + 1);
}
a = a->next;
}
printf("\n");
indent(depth);
printf("]");
} else {
printf("what type? %d", j->type);
}
}
int main() {
json_object *j = NULL;
while ((j = json_parse(stdin, j)) != NULL) {
json_object *g = json_hash_get(j, "type");
if (g != NULL && g->type == JSON_STRING && strcmp(g->string, "Feature") == 0) {
json_print(j, 0);
printf("\n");
}
if (j->parent == NULL) {
json_print(j, 0);
printf("\n");
j = NULL;
}
}
}

105
json.c → jsonpull.c
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@ -3,31 +3,7 @@
#include <ctype.h> #include <ctype.h>
#include <string.h> #include <string.h>
#include <stdarg.h> #include <stdarg.h>
#include "jsonpull.h"
typedef enum json_type {
JSON_STRING, JSON_NUMBER, JSON_ARRAY, JSON_HASH, JSON_NULL, JSON_TRUE, JSON_FALSE,
} json_type;
typedef struct json_array {
struct json_object *object;
struct json_array *next;
} json_array;
typedef struct json_hash {
struct json_object *key;
struct json_object *value;
struct json_hash *next;
} json_hash;
typedef struct json_object {
json_type type;
struct json_object *parent;
char *string;
double number;
json_array *array;
json_hash *hash;
} json_object;
static json_object *add_object(json_type type, json_object *parent) { static json_object *add_object(json_type type, json_object *parent) {
json_object *o = malloc(sizeof(struct json_object)); json_object *o = malloc(sizeof(struct json_object));
@ -85,7 +61,7 @@ static void json_error(char *s, ...) {
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
int peek(FILE *f) { static int peek(FILE *f) {
int c = getc(f); int c = getc(f);
ungetc(c, f); ungetc(c, f);
return c; return c;
@ -318,80 +294,3 @@ json_object *json_parse(FILE *f, json_object *current) {
json_error("unrecognized character %c\n", c); json_error("unrecognized character %c\n", c);
return NULL; return NULL;
} }
static void indent(int depth) {
int i;
for (i = 0; i < depth; i++) {
printf(" ");
}
}
void json_print(json_object *j, int depth) {
if (j == NULL) {
printf("NULL");
} else if (j->type == JSON_STRING) {
printf("\"%s\"", j->string);
} else if (j->type == JSON_NUMBER) {
printf("%f", j->number);
} else if (j->type == JSON_NULL) {
printf("null");
} else if (j->type == JSON_TRUE) {
printf("true");
} else if (j->type == JSON_FALSE) {
printf("false");
} else if (j->type == JSON_HASH) {
printf("{\n");
indent(depth + 1);
json_hash *h = j->hash;
while (h != NULL) {
json_print(h->key, depth + 1);
printf(" : ");
json_print(h->value, depth + 1);
if (h->next != NULL) {
printf(",\n");
indent(depth + 1);
}
h = h->next;
}
printf("\n");
indent(depth);
printf("}");
} else if (j->type == JSON_ARRAY) {
printf("[\n");
indent(depth + 1);
json_array *a = j->array;
while (a != NULL) {
json_print(a->object, depth + 1);
if (a->next != NULL) {
printf(",\n");
indent(depth + 1);
}
a = a->next;
}
printf("\n");
indent(depth);
printf("]");
} else {
printf("what type? %d", j->type);
}
}
int main() {
json_object *j = NULL;
while ((j = json_parse(stdin, j)) != NULL) {
json_object *g = json_hash_get(j, "type");
if (g != NULL && g->type == JSON_STRING && strcmp(g->string, "Feature") == 0) {
json_print(j, 0);
printf("\n");
}
if (j->parent == NULL) {
json_print(j, 0);
printf("\n");
j = NULL;
}
}
}

33
jsonpull.h Normal file
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@ -0,0 +1,33 @@
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <stdarg.h>
typedef enum json_type {
JSON_STRING, JSON_NUMBER, JSON_ARRAY, JSON_HASH, JSON_NULL, JSON_TRUE, JSON_FALSE,
} json_type;
typedef struct json_array {
struct json_object *object;
struct json_array *next;
} json_array;
typedef struct json_hash {
struct json_object *key;
struct json_object *value;
struct json_hash *next;
} json_hash;
typedef struct json_object {
json_type type;
struct json_object *parent;
char *string;
double number;
json_array *array;
json_hash *hash;
} json_object;
json_object *json_parse(FILE *f, json_object *current);
json_object *json_hash_get(json_object *o, char *s);