xml_internal.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#include "ra8_attributes.h"
#include "xml.h"

typedef enum : uint32_t {
  k_priv_xml_tab                 = 0x09U,     
  k_priv_xml_line_feed           = 0x0AU,     
  k_priv_xml_carriage_return     = 0x0DU,     
  k_priv_xml_printable_min       = 0x20U,     
  k_priv_xml_bmp_first_max       = 0xD7FFU,   
  k_priv_xml_bmp_second_min      = 0xE000U,   
  k_priv_xml_bmp_second_max      = 0xFFFDU,   
  k_priv_xml_supplementary_min   = 0x10000U,  
  k_priv_xml_scalar_max          = 0x10FFFFU, 
  k_priv_utf8_two_lead_min       = 0xC2U,     
  k_priv_utf8_two_lead_max       = 0xDFU,     
  k_priv_utf8_two_payload_mask   = 0x1FU,     
  k_priv_utf8_three_lead_min     = 0xE0U,     
  k_priv_utf8_three_lead_max     = 0xEFU,     
  k_priv_utf8_three_payload_mask = 0x0FU,     
  k_priv_utf8_three_scalar_min   = 0x800U,    
  k_priv_utf8_four_lead_min      = 0xF0U,     
  k_priv_utf8_four_lead_max      = 0xF4U,     
  k_priv_utf8_four_payload_mask  = 0x07U,     
  k_priv_utf8_continuation_mask  = 0xC0U,     
  k_priv_utf8_continuation_tag   = 0x80U,     
  k_priv_utf8_scalar_mask        = 0x3FU,     
  k_priv_utf8_two_lead_tag       = 0xC0U,     
  k_priv_utf8_three_lead_tag     = 0xE0U,     
  k_priv_utf8_four_lead_tag      = 0xF0U,     
  k_priv_utf8_shift_second       = 12U,       
  k_priv_utf8_shift_third        = 18U,       
  k_priv_xml_decimal_base        = 10U,       
  k_priv_xml_encoding_bytes      = 5U,        
  k_priv_xml_cdata_open_bytes    = 9U,        
  k_priv_xml_doctype_open_bytes  = 9U,        
  k_priv_utf8_bom_first          = 0xEFU,     
  k_priv_utf8_bom_second         = 0xBBU,     
  k_priv_utf8_bom_third          = 0xBFU,     
} priv_xml_encoding_t;

RA8_PRIV bool priv_xml_span_valid(size_t source_len, xml_span_t span);

RA8_PRIV bool
priv_xml_bytes_equal(const uint8_t* source, size_t offset, const char* literal, size_t length);

RA8_PRIV ra8_err_t priv_xml_qname(const uint8_t* source, size_t end, size_t start, size_t* out_end);

RA8_PRIV ra8_err_t priv_xml_raw(const uint8_t* source, size_t start, size_t end);

RA8_PRIV ra8_err_t priv_xml_doctype(xml_reader_t* reader);