#ifndef NETDATA_WEB_BUFFER_H

#define NETDATA_WEB_BUFFER_H 1

#include "../libnetdata.h"

#define WEB_DATA_LENGTH_INCREASE_STEP 1024

typedef struct web_buffer {

} BUFFER;

#define WB_CONTENT_CACHEABLE 1

#define WB_CONTENT_NO_CACHEABLE 2

#define CT_APPLICATION_JSON 1

#define CT_TEXT_PLAIN 2

#define CT_TEXT_HTML 3

#define CT_APPLICATION_X_JAVASCRIPT 4

#define CT_TEXT_CSS 5

#define CT_TEXT_XML 6

#define CT_APPLICATION_XML 7

#define CT_TEXT_XSL 8

#define CT_APPLICATION_OCTET_STREAM 9

#define CT_APPLICATION_X_FONT_TRUETYPE 10

#define CT_APPLICATION_X_FONT_OPENTYPE 11

#define CT_APPLICATION_FONT_WOFF 12

#define CT_APPLICATION_FONT_WOFF2 13

#define CT_APPLICATION_VND_MS_FONTOBJ 14

#define CT_IMAGE_SVG_XML 15

#define CT_IMAGE_PNG 16

#define CT_IMAGE_JPG 17

#define CT_IMAGE_GIF 18

#define CT_IMAGE_XICON 19

#define CT_IMAGE_ICNS 20

#define CT_IMAGE_BMP 21

#define CT_PROMETHEUS 22

#define buffer_cacheable(wb) do { (wb)->options |= WB_CONTENT_CACHEABLE; if((wb)->options & WB_CONTENT_NO_CACHEABLE) (wb)->options &= ~WB_CONTENT_NO_CACHEABLE; } while(0)

#define buffer_no_cacheable(wb) do { (wb)->options |= WB_CONTENT_NO_CACHEABLE; if((wb)->options & WB_CONTENT_CACHEABLE) (wb)->options &= ~WB_CONTENT_CACHEABLE; (wb)->expires = 0; } while(0)

#define buffer_strlen(wb) ((wb)->len)

extern const char *buffer_tostring(BUFFER *wb);

#define buffer_flush(wb) wb->buffer[(wb)->len = 0] = '\0'

extern void buffer_reset(BUFFER *wb);

extern void buffer_strcat(BUFFER *wb, const char *txt);

extern void buffer_rrd_value(BUFFER *wb, calculated_number value);

extern void buffer_date(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);

extern void buffer_jsdate(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);

extern BUFFER *buffer_create(size_t size);

extern void buffer_free(BUFFER *b);

extern void buffer_increase(BUFFER *b, size_t free_size_required);

extern void buffer_snprintf(BUFFER *wb, size_t len, const char *fmt, ...) PRINTFLIKE(3, 4);

extern void buffer_vsprintf(BUFFER *wb, const char *fmt, va_list args);

extern void buffer_sprintf(BUFFER *wb, const char *fmt, ...) PRINTFLIKE(2,3);

extern void buffer_strcat_jsonescape(BUFFER *wb, const char *txt);

extern void buffer_strcat_htmlescape(BUFFER *wb, const char *txt);

extern void buffer_char_replace(BUFFER *wb, char from, char to);

extern char *print_number_lu_r(char *str, unsigned long uvalue);

extern char *print_number_llu_r(char *str, unsigned long long uvalue);

extern char *print_number_llu_r_smart(char *str, unsigned long long uvalue);

extern void buffer_print_llu(BUFFER *wb, unsigned long long uvalue);

static inline void buffer_need_bytes(BUFFER *buffer, size_t needed_free_size) {

if(unlikely(buffer->size - buffer->len < needed_free_size))

buffer_increase(buffer, needed_free_size);

}

#endif /* NETDATA_WEB_BUFFER_H */