first commit

xjson.h

@@ -0,0 +1,70 @@
+#ifndef XJSON_H
+#define XJSON_H
+
+typedef double    xj_f64;
+typedef long long xj_i64;
+typedef _Bool     xj_bool;
+
+_Static_assert(sizeof(xj_f64) == 8, "double isn't 8 bytes long");
+_Static_assert(sizeof(xj_i64) == 8, "long long isn't 8 bytes long");
+
+enum {
+    XJ_NULL,
+    XJ_BOOL,
+    XJ_INT,
+    XJ_FLOAT,
+    XJ_ARRAY,
+    XJ_OBJECT,
+    XJ_STRING,
+};
+
+typedef struct xj_value xj_value;
+struct xj_value {
+    int       type;
+    int       size;
+    xj_value *next;
+    char     *key;
+    union {
+        xj_i64    as_int;
+        xj_bool   as_bool;
+        xj_f64    as_float;
+        xj_value *as_array;
+        xj_value *as_object;
+        char     *as_string;
+    };
+};
+
+typedef struct {
+    xj_bool occurred;
+    xj_bool truncated;
+    int off, row, col;
+    char message[128];
+} xj_error;
+
+typedef struct xj_alloc xj_alloc;
+xj_alloc *xj_alloc_using(void *mem, int size, int ext, void (*free)(void*));
+xj_alloc *xj_alloc_new(int size, int ext);
+void      xj_alloc_del(xj_alloc *alloc);
+
+void     *xj_bpalloc(xj_alloc *alloc, int size);
+void      xj_preport(xj_error *error, const char *src, int off, const char *fmt, ...);
+#define   xj_report(error, fmt, ...) xj_preport(error, NULL, -1, fmt, ## __VA_ARGS__)
+
+xj_value *xj_value_null(xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_bool(xj_bool val, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_int(xj_i64 val, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_float(xj_f64 val, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_array(xj_value *head, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_object(xj_value *head, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_string(const char *str, int len, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_array__nocheck(xj_value *head, int count, xj_alloc *alloc, xj_error *error);
+xj_value *xj_value_object__nocheck(xj_value *head, int count, xj_alloc *alloc, xj_error *error);
+
+_Bool     xj_array_append(xj_value *array, xj_value *child, xj_error *error);
+
+char     *xj_strdup(const char *str, int len, xj_alloc *alloc, xj_error *error);
+
+xj_value *xj_decode(const char *str, int len, xj_alloc *alloc, xj_error *error);
+char     *xj_encode(xj_value *value, int *len);
+
+#endif /* XJSON_H */