C++ parse_name函数代码示例

static void handle_section(char *s)
{
  char *name,*attr,*new,*p;
  uint32_t mem=0;
  section *sec;

  if(!(name=parse_name(&s))){
    syntax_error(20);  /* section name */
    return;
  }
  if(*s==','){
    s=skip(s+1);
    if(*s!='\"')
      general_error(6,'\"');  /* quote expected */
    if(attr=parse_name(&s)){
      if(*s==','){
        p=s=skip(s+1);
        if(*s=='@'||*s=='%'){
          /* ELF section type "progbits" or "nobits" */
          s++;
          if(new=parse_identifier(&s)){
            if(!strcmp(new,"nobits")){
              myfree(new);
              if(strchr(attr,'u')==NULL){
                new=mymalloc(strlen(attr)+2);
                sprintf(new,"u%s",attr);
                myfree(attr);
                attr=new;
              }
            }else{
              if(strcmp(new,"progbits"))
                syntax_error(14);  /* invalid sectiont type ignored */
              myfree(new);
            }
          }

void
xml_html_parser::parse_entity_decl () {
  s += 8;
  skip_space ();
  bool parameter= test (s, "%");
  if (parameter) { s += 1; skip_space (); }
  string name= parse_name ();
  if (parameter) name= "%" * name * ";";
  else name= "&" * name * ";";
  skip_space ();

  if (test (s, "SYSTEM") || test (s, "PUBLIC")) {
    // TODO: allow for loading of external entities using wget
    if (test (s, "SYSTEM")) (void) parse_system ();
    else (void) parse_public ();
    skip_space ();
    if (test (s, "NDATA")) {
      s += 5;
      skip_space ();
      (void) parse_name ();
    }
  }
  else {
    string val= parse_quoted ();
    val= expand_entities (val);
    entities (name) = val;
    // cout << name << " := " << val << "\n";
  }

  skip_space ();
  if (test (s, ">")) s += 1;
}

int read_fastq(char *fname1, char *fname2, Reads &reads) {    
    std::ifstream f1(fname1),f2(fname2);
    if (!f1.is_open()) {
      std::cerr << "ERROR: could not open file " << fname1 << "\n";
      exit(-1);
    }
    if (!f2.is_open()) {
      std::cerr << "ERROR: could not open file " << fname2 << "\n";
      exit(-1);
    }
    std::string p1,p2;
    Read r1, r2;
    int count=0,num=0;
    while(std::getline(f1,p1) && std::getline(f2,p2)) {
        //std::cout << p1 << "\t\t\t" << p2 << "\n";
        if(count==0) {
            r1.name = parse_name(p1);
            r2.name = parse_name(p2);
        }
        if(count==1) {
            r1.seq = p1;
            r2.seq = p2;
            reads.push_back(r1);
            reads.push_back(r2);
            num++;
        }
        count+=1;
        count%=4;
    }
    return num;
}

string
xml_html_parser::transcode (string s2) {
  s= parse_string (s2);

  string encoding;
  if (test (s, "<?")) {
    s += 2;
    string target= parse_name ();
    skip_space ();
    if (target == "xml") {
      // since html==true implies we can accept horribly broken HTML, the
      // presence of an XML prolog is not enough to clear the flag.
      /* html= false; */
      while (s && !test (s, "?>")) {
	string attname= parse_name ();
	skip_space ();
	if (!test (s, "=")) break;
	s += 1;
	skip_space ();
	string val;
	if (test (s, "\"")) {
	  s += 1;
	  val= parse_until ("\"");
	  skip_space ();	  
	}
	else if (test (s, "'")) {
	  s += 1;
	  val= parse_until ("'");
	  skip_space ();
	}
	if (attname == "encoding") {
	  encoding= upcase_all (val);
	  break;
	}
      }
    }
  }

  if (N(encoding) != 0) {
    // cout << "encoding was specified\n" ;
    string s3= convert (s2, encoding, "UTF-8");
    if (N(s3) == 0)
      /* conversion from specified charset failed, do nothing (and pray) */ ;
    else return s3;
  }
  else {
    // cout << "guess encoding\n" ;
    if (check_encoding (s2, "UTF-8"))
      /* input encoding seems to be utf-8, do nothing */ ;
    else {
      string s3= convert (s2, "ISO-8859-1", "UTF-8");
      if (N(s3) != 0) return s3;
    }
  }

  return s2;
}

void document_imp::StartElementHandler(
	const XML_Char*		name,
	const XML_Char**	atts)
{
	string element, ns, prefix;
	
	parse_name(name, element, ns, prefix);

	node_ptr n;
	
	n.reset(new node(element, ns, prefix));

	if (cur.empty())
	{
		cur.push(n);
		root = cur.top();
	}
	else
	{
		cur.top()->add_child(n);
		cur.push(n);
	}
	
	for (const char** att = atts; *att; att += 2)
	{
		if (not att[0] or not att[1])
			break;
		
		parse_name(att[0], element, ns, prefix);
		if (not prefix.empty())
			element = prefix + ':' + element;
		
		attribute_ptr attr(new xml::attribute(element, att[1]));
		cur.top()->add_attribute(attr);
	}

	const string name_prefix("xmlns:");

	for (vector<pair<string,string> >::iterator ns = namespaces.begin(); ns != namespaces.end(); ++ns)
	{
		string name;
		if (ns->first.empty())
			name = "xmlns";
		else
			name = name_prefix + ns->first;

		attribute_ptr attr(new xml::attribute(name, ns->second));

		cur.top()->add_attribute(attr);
	}
	
	namespaces.clear();
}

bool xml_istream::parse_empty_tag(const string& s, string& open, map<string, string>& attributes)
{
    bool ok = false;

    open.clear();
    attributes.clear();

    size_t length = s.length();

    size_t k = s.rfind("/>");
    assert(s.find('<') == 0 && (k + 2) == length);

    size_t i = 1;
    if (parse_name(s, i, open) != false)
    {
        ok = true;

        parse_ws(s, i);

        while (i < k && ok != false)
        {
            string attribute, value;
            ok = false;

            if (parse_name(s, i, attribute) != false)
            {
                if (parse_eq(s, i) != false)
                {
                    char ch = s[i];
                    if (ch == '\'' || ch == '"')
                    {
                        ++i;
                        for (; i < k && s[i] != ch; ++i)
                        {
                            value += s[i];
                        }

                        if (s[i] == ch)
                        {
                            attributes[attribute] = value;
                            ok = true;
                        }
                    }
                }
            }

            ++i;
            parse_ws(s, i);
        }
    }

    return ok;
}

static void handle_section(char *s)
{
  char *name,*attr;

  if(!(name=parse_name(&s)))
    return;
  if(*s==','){
    s=skip(s+1);
    attr=s;
    if(*s!='\"')
      syntax_error(7);
    else
      s++;
    attr=s;
    while(*s&&*s!='\"')
      s++;    
    attr=cnvstr(attr,s-attr);
    s=skip(s+1);
  }else{
    attr="";
    if(!strcmp(name,textname)) attr=textattr;
    if(!strcmp(name,dataname)) attr=dataattr;
    if(!strcmp(name,sdataname)) attr=sdataattr;
    if(!strcmp(name,sdata2name)) attr=sdata2attr;
    if(!strcmp(name,rodataname)) attr=rodataattr;
    if(!strcmp(name,bssname)) attr=bssattr;
    if(!strcmp(name,sbssname)) attr=sbssattr;
    if(!strcmp(name,tocdname)) attr=tocdattr;
  }

  new_section(name,attr,1);
  switch_section(name,attr);
  eol(s);
}

void results_of_competition(){

    FILE* f;
    char str[40];
    int results [3];
    short int i, max;

    struct Competitors participant, first, second, third;

    first.res = -1;
    second.res = -1;
    third.res = -1;
    f = fopen("competition.txt", "r");

    while (fgets(str, 40, f) != NULL) {
        i = parse_name(str, &participant);
        parse_results(i, str, results);

        max = -1;
        for (i = 0; i < 3; ++i){
            if (results[i] > max)  max = results[i];
        }
        participant.res = max;

        place_participants(first, third, second, participant);
    }

    fclose(f);

    if (first.res != -1) printf("I место: %s, результат: %d\n", first.name, first.res);
    if (second.res != -1) printf("II место: %s, результат: %d\n", second.name, second.res);
    if (third.res != -1) printf("III место: %s, результат: %d\n", third.name, third.res);

}

void print_subsys(char* file)
{
  char line[256];
  FILE* fp = 0;

  parse_name(file);

  fp = fopen(file , "r");
  if ( fp != NULL)
  {
   
    while (fgets(line, sizeof(line), fp) != NULL)
    {
       if (empty_line(line) == 0)
       {
         printf("  ");
         fputs(line,stdout);
       }
    }
    fclose(fp);
  }
  else
  {
     printf("Error opening '%s'\n",file);
  }

}

static void GH_verbose(int level, const char *fmt, ...)
{
	static int verbosity=-1;
	static FILE *output_stream=NULL;
	static int stream_initialized=0;
	va_list args;

	if (verbosity < 0) {
		verbosity=get_envi("GH_VERBOSE", GH_MSG_LEVEL_DEFAULT);
	}

	if (level > verbosity) {
		return;
	}

	if (!stream_initialized) {
		const char *file=getenv("GH_VERBOSE_FILE");
		if (file) {
			char buf[PATH_MAX];
			parse_name(buf, sizeof(buf), file, 0);
			output_stream=fopen(buf,"a+t");
		}
		if (!output_stream)
			output_stream=GH_DEFAULT_OUTPUT_STREAM;
		stream_initialized=1;
	}
	fprintf(output_stream,"GH: ");
	va_start(args, fmt);
	vfprintf(output_stream, fmt, args);
	va_end(args);
	fflush(output_stream);
}

/**
 * Parse name inside of a DNS query or record.
 *
 * @param udp_payload entire UDP payload
 * @param udp_payload_length length of @a udp_payload
 * @param off pointer to the offset of the name to parse in the udp_payload (to be
 *                    incremented by the size of the name)
 * @return name as 0-terminated C string on success, NULL if the payload is malformed
 */
char *
GNUNET_DNSPARSER_parse_name (const char *udp_payload,
			     size_t udp_payload_length,
			     size_t *off)
{
  return parse_name (udp_payload, udp_payload_length, off, 0);
}

void xml_node_t::create_parameter( const std::string&      input,
                                   std::string::size_type& index )
{
  // required format:  name="value"

  std::string name_str;
  if ( ! parse_name( name_str, input, index ) )
    return;

  assert( input[ index ] == '=' );
  index++;
  char quote = input[ index ];
  assert( quote == '"' || quote == '\'' );
  index++;

  std::string::size_type start = index;
  while ( input[ index ] != quote )
  {
    assert( input[ index ] );
    index++;
  }
  std::string value_str = input.substr( start, index - start );
  index++;
  simplify_xml( value_str );

  parameters.push_back( xml_parm_t( name_str, value_str ) );
}

int JSON::parse_array(const char *begin, const char *end, bool withname, std::vector<JSON::Node> *children)
{
	children->clear();
	char const *ptr = begin;
	while (1) {
		int n;
		Node node;
		if (withname) {
			n = parse_name(ptr, end, &node);
			if (n > 0) {
				ptr += n;
				ptr += scan_space(ptr, end);
				if (*ptr == ':') {
					ptr++;
				}
			}
		}
		n = parse_value(ptr, end, &node);
		if (node.type != Type::Unknown) {
			children->push_back(node);
		}
		ptr += n;
		ptr += scan_space(ptr, end);
		if (ptr < end && *ptr == ',') {
			ptr++;
			continue;
		}
		return ptr - begin;
	}
}

static blocktype
parse_block_type(void)
{
	char new_file_token_str[256];
	blocktype block_type;

	// Parse the file token string as a name.

	if (!parse_name(file_token_str, new_file_token_str, false))
		expected_token("a valid block type");

	// Now verify it's a valid block type.

	if (!stricmp(new_file_token_str, "structural"))
		block_type = STRUCTURAL_BLOCK;
	else if (!stricmp(new_file_token_str, "multifaceted sprite"))
		block_type = MULTIFACETED_SPRITE;
	else if (!stricmp(new_file_token_str, "angled sprite"))
		block_type = ANGLED_SPRITE;
	else if (!stricmp(new_file_token_str, "revolving sprite"))
		block_type = REVOLVING_SPRITE;
	else if (!stricmp(new_file_token_str, "facing sprite"))
		block_type = FACING_SPRITE;
	else if (!stricmp(new_file_token_str, "player sprite"))
		block_type = PLAYER_SPRITE;
	else
		expected_token("block type 'structural', 'multifaceted sprite', "
			"'angled sprite', 'revolving sprite', 'facing sprite' or "
			"'player sprite'");
	return(block_type);
}

tree
xml_html_parser::parse_closing () {
  s += 2;
  string name= parse_name ();
  (void) parse_until (">");
  return tuple ("end", name);
}