xLib/llsd_tool.c File Reference

LLSD用ライブラリヘッダ（サブセット版）. More...

#include "llsd_tool.h"

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Functions
Buffer	llsd_bin_get_str (uByte **ptr)
	ストリングマーカーの要素を返す．ポインタは次に進む．
int	llsd_bin_get_int (uByte **ptr)
	整数マーカーの要素を返す．ポインタは次に進む．
unsigned long long int	llsd_bin_get_date (uByte **ptr)
	デイトマーカーの要素を返す．ポインタは次に進む．
double	llsd_bin_get_real (uByte **ptr)
	実数マーカーの要素を返す．ポインタは次に進む．
Buffer	llsd_bin_get_uuid (uByte **ptr)
	UUIDマーカーの要素を返す．ポインタは次に進む．.
Buffer	llsd_bin_get_bin (uByte **ptr)
	バイナリマーカーの要素を返す．ポインタは次に進む．
int	llsd_bin_get_length (uByte *ptr, int sz)
tXML *	llsd_bin_parse (uByte *ptr, int sz)
	LLSD のバイナリデータを tXMLのデータに格納する．.
tXML *	llsd_bin_main_parse (tXML *xml, uByte *ptr, int sz)
	LLSD のバイナリデータをパースするメイン関数．.
int	llsd_xml_contain_key (tXML *xml, const char *key)
int	llsd_xml_get_content_int (tXML *xml, const char *key, const char *item)
double	llsd_xml_get_content_real (tXML *xml, const char *key, const char *item)
Buffer	llsd_xml_get_content_str (tXML *xml, const char *key, const char *item)
Buffer	llsd_xml_get_content_bin (tXML *xml, const char *key, const char *item)

---

Detailed Description

Author:

Fumi.Iseki (C)

See also:

http://wiki.secondlife.com/wiki/LLSD

http://www.nsl.tuis.ac.jp/xoops/modules/xpwiki/?LLSD

Definition in file llsd_tool.c.

---

Function Documentation

Buffer llsd_bin_get_bin

(

uByte **

ptr

)

Parameters:

*ptr

LLSD_MAKER_BIN ('b') の次のデータを指すポインタ

Definition at line 142 of file llsd_tool.c.

References init_Buffer(), and set_Buffer().

Referenced by llsd_bin_main_parse().

{
    Buffer buf = init_Buffer();

    if (ptr==NULL) return buf;

    int size = ntohl(*(int*)(*ptr));
    (*ptr) += 4;
    
    uByte* bin = (uByte*)malloc(size);
    if (bin!=NULL) {
        memcpy(bin, *ptr, size);
        buf = set_Buffer(bin, size);
        free(bin);
    }
    (*ptr) += size;

    return buf;
}

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unsigned long long int llsd_bin_get_date

(

uByte **

ptr

)

Parameters:

*ptr

LLSD_MAKER_DATE ('d') の次のデータを指すポインタ

Definition at line 70 of file llsd_tool.c.

References ntohull().

Referenced by llsd_bin_main_parse().

{
    if (ptr==NULL) return 0ULL;

    unsigned long long int value = ntohull(*(unsigned long long int*)(*ptr));
    (*ptr) += 8;

    return value;
}

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int llsd_bin_get_int

(

uByte **

ptr

)

Parameters:

*ptr

LLSD_MAKER_INT ('i') の次のデータを指すポインタ

Definition at line 54 of file llsd_tool.c.

Referenced by llsd_bin_main_parse().

{
    if (ptr==NULL) return 0;

    int value = ntohl(*(int*)(*ptr));
    (*ptr) += 4;

    return value;
}

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int llsd_bin_get_length	(	uByte *	ptr,
		int	sz
	)

Definition at line 163 of file llsd_tool.c.

References free_Buffer(), LLSD_MAKER_ARRAY, LLSD_MAKER_ARRAY_END, LLSD_MAKER_BIN, LLSD_MAKER_DATE, LLSD_MAKER_FALSE, LLSD_MAKER_INT, LLSD_MAKER_KEY, LLSD_MAKER_MAP, LLSD_MAKER_MAP_END, LLSD_MAKER_REAL, LLSD_MAKER_STR, LLSD_MAKER_TRUE, LLSD_MAKER_UNDEF, LLSD_MAKER_URI, LLSD_MAKER_UUID, LSDATA, make_Buffer(), pop_char_ringStack(), PRINT_MESG, and push_char_ringStack().

{
    if (ptr==NULL) return 0;

    int cc = 0;
    Buffer stack = make_Buffer(LSDATA);
    uByte* buf   = ptr;

    while (buf<ptr+sz) {
        //
        if      (*buf==LLSD_MAKER_UNDEF) buf++;
        else if (*buf==LLSD_MAKER_TRUE)  buf++;
        else if (*buf==LLSD_MAKER_FALSE) buf++;
        else if (*buf==LLSD_MAKER_INT)   buf += 5;
        else if (*buf==LLSD_MAKER_REAL)  buf += 9;
        else if (*buf==LLSD_MAKER_UUID)  buf += 17;
        else if (*buf==LLSD_MAKER_BIN)   buf += ntohl(*(int*)(buf+1)) + 5;
        else if (*buf==LLSD_MAKER_STR)   buf += ntohl(*(int*)(buf+1)) + 5;
        else if (*buf==LLSD_MAKER_URI)   buf += ntohl(*(int*)(buf+1)) + 5;
        else if (*buf==LLSD_MAKER_KEY)   buf += ntohl(*(int*)(buf+1)) + 5;
        else if (*buf==LLSD_MAKER_DATE)  buf += 9;
        else if (*buf!=LLSD_MAKER_MAP && *buf!=LLSD_MAKER_ARRAY &&
                 *buf!=LLSD_MAKER_MAP_END && *buf!=LLSD_MAKER_ARRAY_END) {
            if (ptr==buf) return 0;
            PRINT_MESG("WARNING: llsd_bin_get_length: unknown marker %c: %04x\n", *buf, *buf);
            break;
        }

        if (*buf==LLSD_MAKER_MAP) {
            push_char_ringStack(&stack, LLSD_MAKER_MAP_END);
            cc++;
            buf += 5;
        }
        else if (*buf==LLSD_MAKER_ARRAY) {
            push_char_ringStack(&stack, LLSD_MAKER_ARRAY_END);
            cc++;
            buf += 5;
        }
        else if (*buf==LLSD_MAKER_MAP_END || *buf==LLSD_MAKER_ARRAY_END) {
            unsigned char marker = (unsigned char)pop_char_ringStack(&stack);
            if (marker!=*buf) PRINT_MESG("WARNING: llsd_bin_get_length: missmatch stack data of [ or {\n");
            cc--;
            buf++;
        }

        if (cc==0) break;
    }   

    free_Buffer(&stack);

    return (int)(buf - ptr);
}

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double llsd_bin_get_real

(

uByte **

ptr

)

Parameters:

*ptr

LLSD_MAKER_REAL ('r') の次のデータを指すポインタ

Definition at line 86 of file llsd_tool.c.

References ntohull().

Referenced by llsd_bin_main_parse().

{
    if (ptr==NULL) return 0.0;

#ifdef WIN32
    long long int tmp;//  __attribute__((may_alias));
#else
    long long int tmp  __attribute__((may_alias));
#endif

    tmp = ntohull(*(long long int*)(*ptr));

    long long int* ptmp = (long long int*)&tmp;
    double* valuep = (double*)ptmp;
    double  value  = *valuep;

/*  UnionPtr uptr;
    uptr.llintp = (long long int*)&tmp;
    double  value = *(uptr.drealp);
*/
//  double  value = *(double*)(&tmp);

    (*ptr) += 8;

    return value;
}

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Buffer llsd_bin_get_str

(

uByte **

ptr

)

Parameters:

*ptr

LLSD_MAKER_STR ('s') の次のデータを指すポインタ

Definition at line 27 of file llsd_tool.c.

References init_Buffer(), and make_Buffer_bystr.

Referenced by llsd_bin_main_parse().

{
    Buffer buf = init_Buffer();

    if (ptr==NULL) return buf;

    int size = ntohl(*(int*)(*ptr));
    (*ptr) += 4;
    
    char* str = (char*)malloc(size+1);
    if (str!=NULL) {
        memcpy(str, *ptr, size);
        str[size] = '\0';
        buf = make_Buffer_bystr(str);
        free(str);
    }
    (*ptr) += size;

    return buf;
}

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Buffer llsd_bin_get_uuid

(

uByte **

ptr

)

Parameters:

*ptr

LLSD_MAKER_UUID ('u') の次のデータを指すポインタ

Definition at line 119 of file llsd_tool.c.

References init_Buffer(), and set_Buffer().

{
    Buffer buf = init_Buffer();

    if (ptr==NULL) return buf;

    char* str = (char*)malloc(16);
    if (str!=NULL) {
        memcpy(str, *ptr, 16);
        buf = set_Buffer(str, 16);
        free(str);
    }
    (*ptr) += 16;

    return buf;
}

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tXML* llsd_bin_main_parse	(	tXML *	xml,
		uByte *	ptr,
		int	sz
	)

Parameters:

	xml	XMLデータを格納するツリー構造体の先頭へのポインタ．
	ptr	LLSDのバイナリデータへのポインタ
	sz	データのサイズ

Returns:

最後に処理したノードへのポインタ．ppがNULLの場合は xml, xmlが NULLの場合は NULLが返る．

Return values:

負数

state エラーの場合は stateに 負数の値が入る．

Definition at line 279 of file llsd_tool.c.

References add_tTree_node_bystr(), Buffer::buf, dtostr_ts(), encode_base64_Buffer(), free_Buffer(), freeNull, itostr_ts(), JBXL_XML_NODE_CLOSED, JBXL_XML_NODE_OPENED, JBXL_XML_NOT_CLOSED, llsd_bin_get_bin(), llsd_bin_get_date(), llsd_bin_get_int(), llsd_bin_get_key, llsd_bin_get_map, llsd_bin_get_real(), llsd_bin_get_str(), llsd_bin_get_uri, LLSD_MAKER_ARRAY, LLSD_MAKER_ARRAY_END, LLSD_MAKER_BIN, LLSD_MAKER_DATE, LLSD_MAKER_FALSE, LLSD_MAKER_INT, LLSD_MAKER_KEY, LLSD_MAKER_MAP, LLSD_MAKER_MAP_END, LLSD_MAKER_REAL, LLSD_MAKER_STR, LLSD_MAKER_TRUE, LLSD_MAKER_UNDEF, LLSD_MAKER_URI, LLSD_MAKER_UUID, PRINT_MESG, ulltostr_ts(), uuid2guid(), XML_CONTENT_NODE, and XML_NAME_NODE.

Referenced by llsd_bin_parse().

{
    if (ptr==NULL) return xml;
    if (xml==NULL) return NULL;

    tXML* snode = xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 0, "llsd", NULL, NULL, 0);

    uByte* end = ptr + sz;
    while (ptr<end  && !(xml==snode && *ptr!=LLSD_MAKER_MAP && *ptr!=LLSD_MAKER_ARRAY)) {
        //
        if (*ptr==LLSD_MAKER_MAP) {
            ptr++;
            int num = llsd_bin_get_map(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, num, "map", NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_OPENED;
        }
        //
        else if (*ptr==LLSD_MAKER_ARRAY) {
            ptr++;
            int num = llsd_bin_get_map(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, num, "array", NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_OPENED;
        }
        //
        else if (*ptr==LLSD_MAKER_MAP_END) {
            ptr++;
            if (xml->state==JBXL_XML_NODE_OPENED) {
                xml->state = JBXL_XML_NODE_CLOSED;
                xml = xml->prev;
            }   
        }
        //
        else if (*ptr==LLSD_MAKER_ARRAY_END) {
            ptr++;
            if (xml->state==JBXL_XML_NODE_OPENED) {
                xml->state = JBXL_XML_NODE_CLOSED;
                xml = xml->prev;
            }   
        }
        //
        else if (*ptr==LLSD_MAKER_KEY) {
            ptr++;
            Buffer key = llsd_bin_get_key(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "key", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, (char*)key.buf, NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            free_Buffer(&key);
        }
        //
        else if (*ptr==LLSD_MAKER_STR) {
            ptr++;
            Buffer str = llsd_bin_get_str(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "string", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, (char*)str.buf, NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            free_Buffer(&str);
        }
        //
        else if (*ptr==LLSD_MAKER_UUID) {
            ptr++;
            Buffer uuid = llsd_bin_get_uri(&ptr);
            char*  guid = (char*)uuid2guid(uuid.buf);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "uuid", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, guid, NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            free(guid);
            free_Buffer(&uuid);
        }
        //
        else if (*ptr==LLSD_MAKER_URI) {
            ptr++;
            Buffer str = llsd_bin_get_uri(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "uri", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, (char*)str.buf, NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            free_Buffer(&str);
        }
        //
        else if (*ptr==LLSD_MAKER_INT) {
            ptr++;
            int val = llsd_bin_get_int(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "integer", NULL, NULL, 0);
            char* str = itostr_ts(val);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, str, NULL, NULL, 0);
            freeNull(str);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
        }
        //
        else if (*ptr==LLSD_MAKER_DATE) {
            ptr++;
            unsigned long long int val = llsd_bin_get_date(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "date", NULL, NULL, 0);
            char* str = ulltostr_ts(val);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, str, NULL, NULL, 0);
            freeNull(str);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
        }
        //
        else if (*ptr==LLSD_MAKER_REAL) {
            ptr++;
            double val = llsd_bin_get_real(&ptr);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "real", NULL, NULL, 0);
            char* str = dtostr_ts(val);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, str, NULL, NULL, 0);
            freeNull(str);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
        }
        //
        else if (*ptr==LLSD_MAKER_BIN) {
            ptr++;
            Buffer bin = llsd_bin_get_bin(&ptr);
            Buffer b64 = encode_base64_Buffer(bin);
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "binary", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, (char*)b64.buf, NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            free_Buffer(&bin);
            free_Buffer(&b64);
        }
        //
        else if (*ptr==LLSD_MAKER_TRUE) {
            ptr++;
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "boolean", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, "true", NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
        }
        //
        else if (*ptr==LLSD_MAKER_FALSE) {
            ptr++;
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 1, "boolean", NULL, NULL, 0);
            xml = add_tTree_node_bystr(xml, XML_CONTENT_NODE, 0, "false", NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
        }
        //
        else if (*ptr==LLSD_MAKER_UNDEF) {
            ptr++;
            xml = add_tTree_node_bystr(xml, XML_NAME_NODE, 0, "undef", NULL, NULL, 0);
            xml->state = JBXL_XML_NODE_CLOSED;
            xml = xml->prev;
        }
        else {
            PRINT_MESG("ERROR: llsd_bin_main_parse: unknown marker: %c (%04x)\n", *ptr, *ptr);
            ptr++;
        }
    }

    //
    if (snode==xml) xml->state = JBXL_XML_NODE_CLOSED;
    else           xml->state = JBXL_XML_NOT_CLOSED;

    xml = xml->prev;

    return xml;
}

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tXML* llsd_bin_parse	(	uByte *	ptr,
		int	sz
	)

Parameters:

	ptr	LLSDのバイナリデータへのポインタ
	sz	データのサイズ

Returns:

XMLデータを格納した tXMLのアンカーへのポインタ．

エラーの場合，next以下のノードにはエラーを起こす直前までの内容が保存される

Return values:

0以下

エラーを起こした場合 stateに JBXL_XML_PARSED以外の値（負数）が入る．

Definition at line 232 of file llsd_tool.c.

References JBXL_XML_DEFAULT_STATE, JBXL_XML_MULTI_ROOT, JBXL_XML_NOT_CLOSED, JBXL_XML_PARSED, llsd_bin_main_parse(), new_xml_node, XML_ANCHOR_NODE, and XML_NAME_NODE.

{
    tXML* xml;
    tXML* node;

    xml = new_xml_node();                   // アンカー
    xml->ldat.id = XML_ANCHOR_NODE;

    // パース
    node = llsd_bin_main_parse(xml, ptr, sz);
    if (node->state<0) return xml;


    // 元に戻ったか？
    if (xml==node) {
        xml->state = JBXL_XML_PARSED;
    }
    else {
        xml->state = JBXL_XML_NOT_CLOSED;
    }

    // XML rootの数
    if (xml->next!=NULL) {
        int n = 0;
        node = xml->next;
        while(node!=NULL) {
            if (node->ldat.id==XML_NAME_NODE) n++;
            node = node->ysis;
        }
        if (n!=1) xml->state = JBXL_XML_MULTI_ROOT;
    }
    else xml->state = JBXL_XML_DEFAULT_STATE;

    return xml;
}

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int llsd_xml_contain_key	(	tXML *	xml,
		const char *	key
	)

Definition at line 469 of file llsd_tool.c.

References Buffer::buf, cat_s2Buffer, FALSE, free_Buffer(), get_xml_node_bystr(), make_Buffer_bystr, and TRUE.

{
    if (xml==NULL || key==NULL) return FALSE;

    Buffer buf = make_Buffer_bystr("<llsd><map><key>");
    cat_s2Buffer(key, &buf);
    cat_s2Buffer("</key>", &buf);

    tXML* node = get_xml_node_bystr(xml, (char*)buf.buf);
    free_Buffer(&buf);

    if (node!=NULL) return TRUE;
    return FALSE;
}

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Buffer llsd_xml_get_content_bin	(	tXML *	xml,
		const char *	key,
		const char *	item
	)

Definition at line 540 of file llsd_tool.c.

References Buffer::buf, cat_s2Buffer, decode_base64_Buffer(), free_Buffer(), get_xml_char_content_bystr(), init_Buffer(), and make_Buffer_bystr.

{
    Buffer buf = init_Buffer();
    if (xml==NULL || key==NULL || item==NULL) return buf;

    buf = make_Buffer_bystr("<llsd><map><key>");
    cat_s2Buffer(key, &buf);
    cat_s2Buffer("</key><map><key>", &buf);
    cat_s2Buffer(item, &buf);
    cat_s2Buffer("</key><binary>", &buf);

    char* ret = get_xml_char_content_bystr(xml, (char*)buf.buf);
    free_Buffer(&buf);
    buf = make_Buffer_bystr(ret);
    
    Buffer bin = decode_base64_Buffer(buf);
    free_Buffer(&buf);

    return bin;
}

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int llsd_xml_get_content_int	(	tXML *	xml,
		const char *	key,
		const char *	item
	)

Definition at line 487 of file llsd_tool.c.

References Buffer::buf, cat_s2Buffer, free_Buffer(), get_xml_int_content_bystr(), and make_Buffer_bystr.

{
    if (xml==NULL || key==NULL || item==NULL) return 0;

    Buffer buf = make_Buffer_bystr("<llsd><map><key>");
    cat_s2Buffer(key, &buf);
    cat_s2Buffer("</key><map><key>", &buf);
    cat_s2Buffer(item, &buf);
    cat_s2Buffer("</key><integer>", &buf);

    int ret = get_xml_int_content_bystr(xml, (char*)buf.buf);
    free_Buffer(&buf);

    return ret;
}

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double llsd_xml_get_content_real	(	tXML *	xml,
		const char *	key,
		const char *	item
	)

Definition at line 504 of file llsd_tool.c.

References Buffer::buf, cat_s2Buffer, free_Buffer(), get_xml_double_content_bystr(), and make_Buffer_bystr.

{
    if (xml==NULL || key==NULL || item==NULL) return 0.0;

    Buffer buf = make_Buffer_bystr("<llsd><map><key>");
    cat_s2Buffer(key, &buf);
    cat_s2Buffer("</key><map><key>", &buf);
    cat_s2Buffer(item, &buf);
    cat_s2Buffer("</key><real>", &buf);

    double ret = get_xml_double_content_bystr(xml, (char*)buf.buf);
    free_Buffer(&buf);

    return ret;
}

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Buffer llsd_xml_get_content_str	(	tXML *	xml,
		const char *	key,
		const char *	item
	)

Definition at line 521 of file llsd_tool.c.

References Buffer::buf, cat_s2Buffer, free_Buffer(), get_xml_char_content_bystr(), init_Buffer(), and make_Buffer_bystr.

{
    Buffer buf = init_Buffer();
    if (xml==NULL || key==NULL || item==NULL) return buf;

    buf = make_Buffer_bystr("<llsd><map><key>");
    cat_s2Buffer(key, &buf);
    cat_s2Buffer("</key><map><key>", &buf);
    cat_s2Buffer(item, &buf);
    cat_s2Buffer("</key><string>", &buf);

    char* ret = get_xml_char_content_bystr(xml, (char*)buf.buf);
    free_Buffer(&buf);
    buf = make_Buffer_bystr(ret);

    return buf;
}

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