src/http/parser/p_header.c

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#include <stdlib.h>
#include <string.h>
#include <sys/types.h>

#include "class.h"
#include "http/header.h"
#include "http/parser.h"
#include "http/message.h"
#include "http/request.h"
#include "hash.h"

void
httpParserHeader(
                HttpParser   this,
                const char * line,
                const char * lend)
{
        const char * name    = line;
        char *       value   = memchr(line, ':', lend - line);
        size_t       nname   = (value++) - name;
        HttpMessage  current = this->current;

        if (NULL == value) {
                return;
        }

        for (; *value == ' ' && value < lend; value++);

        if (value == lend) {
                return;
        }

        if (0 == strncasecmp("content-length", name, nname-1)) {
                current->nbody = strtoul(value, NULL, 10);
                if (0 < this->current->nbody) {
                        current->body  = malloc(current->nbody);
                }
                current->dbody = 0;
        }

        if (0 == strncasecmp("cookie", name, nname-1)) {
                HttpRequest request = (HttpRequest)this->current;
                char *  pair = value;
                ssize_t togo = lend - value;

                while(NULL != pair && 0 < togo) {
                        char * key    = pair;
                        char * eqsign;
                        char * val;
                        size_t nval;

                        for (; *key == ' ' && key < lend; key++, togo--);
                        eqsign = memchr(key, '=', togo);

                        if (NULL == eqsign) {
                                break;
                        }

                        togo -= (eqsign - key);
                        pair  = memchr(eqsign, ';', togo);

                        if (NULL == pair) {
                                pair = (char *)lend;
                        }

                        nval = pair-eqsign-1;
                        val  = (0 != nval)? eqsign+1 : NULL;

                        hashAdd(request->cookies,
                                        new(HashValue, key, eqsign-key, val, nval));

                        pair++;
                        togo -= (pair - eqsign);
                }
        }

        hashAdd(current->header,
                        new(HttpHeader, name, nname, value, lend - value));
}

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