json_script.h File Reference

#include "avl.h"
#include "blob.h"
#include "blobmsg.h"
#include "utils.h"

Go to the source code of this file.

Data Structures
struct	json_script_ctx
struct	json_script_file

Functions
void	json_script_init (struct json_script_ctx *ctx)
void	json_script_free (struct json_script_ctx *ctx)
void	json_script_run (struct json_script_ctx *ctx, const char *filename, struct blob_attr *vars)
void	json_script_run_file (struct json_script_ctx *ctx, struct json_script_file *file, struct blob_attr *vars)
static void	json_script_abort (struct json_script_ctx *ctx)
int	json_script_eval_string (struct json_script_ctx *ctx, struct blob_attr *vars, struct blob_buf *buf, const char *name, const char *pattern)
struct json_script_file *	json_script_file_from_blobmsg (const char *name, void *data, int len)
const char *	json_script_find_var (struct json_script_ctx *ctx, struct blob_attr *vars, const char *name)

Function Documentation

json_script_abort()

static void json_script_abort ( struct json_script_ctx *  ctx )

inlinestatic

Definition at line 110 of file json_script.h.

{
        ctx->abort = true;
}

json_script_eval_string()

int json_script_eval_string	(	struct json_script_ctx *	ctx,
		struct blob_attr *	vars,
		struct blob_buf *	buf,
		const char *	name,
		const char *	pattern
	)

Definition at line 502 of file json_script.c.

{
        struct json_call call = {
                .ctx = ctx,
                .vars = vars,
        };
 
        return eval_string(&call, buf, name, pattern);
}

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json_script_file_from_blobmsg()

struct json_script_file* json_script_file_from_blobmsg	(	const char *	name,
		void *	data,
		int	len
	)

Definition at line 38 of file json_script.c.

{
        struct json_script_file *f;
        char *new_name;
        int name_len = 0;
 
        if (name)
                name_len = strlen(name) + 1;
 
        f = calloc_a(sizeof(*f) + len, &new_name, name_len);
        if (!f)
                return NULL;
 
        memcpy(f->data, data, len);
        if (name)
                f->avl.key = strcpy(new_name, name);
 
        return f;
}

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json_script_find_var()

const char* json_script_find_var	(	struct json_script_ctx *	ctx,
		struct blob_attr *	vars,
		const char *	name
	)

Definition at line 94 of file json_script.c.

{
        struct blob_attr *cur;
        size_t rem;
 
        blobmsg_for_each_attr(cur, vars, rem) {
                if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
                        continue;
 
                if (strcmp(blobmsg_name(cur), name) != 0)
                        continue;
 
                return blobmsg_data(cur);
        }
 
        return ctx->handle_var(ctx, name, vars);
}

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json_script_free()

void json_script_free

(

struct json_script_ctx *

ctx

)

Definition at line 652 of file json_script.c.

{
        struct json_script_file *f, *next;
 
        avl_remove_all_elements(&ctx->files, f, avl, next)
                __json_script_file_free(f);
 
        blob_buf_free(&ctx->buf);
}

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json_script_init()

void json_script_init

(

struct json_script_ctx *

ctx

)

Definition at line 689 of file json_script.c.

{
        avl_init(&ctx->files, avl_strcmp, false, NULL);
 
        if (!ctx->handle_error)
                ctx->handle_error = __default_handle_error;
 
        if (!ctx->handle_var)
                ctx->handle_var = __default_handle_var;
 
        if (!ctx->handle_expr)
                ctx->handle_expr = __default_handle_expr;
 
        if (!ctx->handle_file)
                ctx->handle_file = __default_handle_file;
}

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json_script_run()

void json_script_run	(	struct json_script_ctx *	ctx,
		const char *	filename,
		struct blob_attr *	vars
	)

Definition at line 626 of file json_script.c.

{
        struct json_script_file *file;
 
        file = json_script_get_file(ctx, name);
        if (!file)
                return;
 
        json_script_run_file(ctx, file, vars);
}

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json_script_run_file()

void json_script_run_file	(	struct json_script_ctx *	ctx,
		struct json_script_file *	file,
		struct blob_attr *	vars
	)

Definition at line 607 of file json_script.c.

{
        static unsigned int _seq = 0;
        struct json_call call = {
                .ctx = ctx,
                .vars = vars,
                .seq = ++_seq,
        };
 
        /* overflow */
        if (!call.seq)
                call.seq = ++_seq;
 
        ctx->abort = false;
 
        __json_script_run(&call, file, NULL);
}

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