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list parsing

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This commit is contained in:
tg(x) 2011-04-19 19:41:25 +02:00
parent 0bc8555b47
commit e41822ed2b
6 changed files with 259 additions and 82 deletions
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75
include/psyc/parser.h
View file

@ -28,27 +28,43 @@ enum PSYC_ReturnCodes
PSYC_INCOMPLETE = 9, PSYC_INCOMPLETE = 9,
}; };
enum PSYC_ListReturnCodes
{
PSYC_ERROR_LIST_DELIM = -5,
PSYC_ERROR_LIST_LEN = -4,
PSYC_ERROR_LIST_TYPE = -3,
PSYC_ERROR_LIST_NAME = -2,
PSYC_ERROR_LIST= -1,
PSYC_LIST_ELEM = 1,
PSYC_LIST_END = 2,
PSYC_LIST_INCOMPLETE = 3,
};
enum PSYC_Parts enum PSYC_Parts
{ {
PSYC_PART_RESET = -1, PSYC_PART_RESET = -1,
PSYC_PART_HEADER = 0, PSYC_PART_HEADER = 0,
PSYC_PART_LENGTH, PSYC_PART_LENGTH,
PSYC_PART_HEADER_END,
PSYC_PART_CONTENT, PSYC_PART_CONTENT,
PSYC_PART_METHOD, PSYC_PART_METHOD,
PSYC_PART_DATA, PSYC_PART_DATA,
PSYC_PART_END, PSYC_PART_END,
}; };
enum PSYC_ListTypes
{
PSYC_LIST_TEXT = 1,
PSYC_LIST_BINARY = 2,
};
typedef struct typedef struct
{ {
size_t length; size_t length;
const uint8_t * ptr; const uint8_t * ptr;
} PSYC_Array; } PSYC_Array;
typedef struct typedef struct
{ {
size_t cursor; /** current position in buffer */ size_t cursor; /** current position in buffer */
size_t startc; /** line start position */ size_t startc; /** line start position */
@ -59,45 +75,72 @@ typedef struct
size_t contentParsed; /** number of bytes parsed from the content so far */ size_t contentParsed; /** number of bytes parsed from the content so far */
size_t contentLength; /** expected length of the content */ size_t contentLength; /** expected length of the content */
char contentLengthFound; /** is there a length given for this packet? */ char contentLengthFound; /** is there a length given for this packet? */
size_t valueParsed; /** number of bytes parsef from the value so far */ size_t valueParsed; /** number of bytes parsed from the value so far */
size_t valueLength; /** expected length of the value */ size_t valueLength; /** expected length of the value */
} PSYC_State; } PSYC_State;
typedef struct
{
size_t cursor; /** current position in buffer */
size_t startc; /** line start position */
PSYC_Array buffer;
char type; /** list type, see PSYC_ListTypes */
size_t elemParsed; /** number of bytes parsed from the elem so far */
size_t elemLength; /** expected length of the elem */
} PSYC_ListState;
#ifndef PSYC_COMPILE_LIBRARY #ifndef PSYC_COMPILE_LIBRARY
/* @brief shortcut for creating an array /* @brief Shortcut for creating an array.
* *
* @param memory pointer to the buffer * @param memory Pointer to the buffer.
* @param length length of that buffer * @param length Length of that buffer.
* *
* @returns an instance of the PSYC_Array struct */ * @return An instance of the PSYC_Array struct. */
inline PSYC_Array PSYC_createArray (uint8_t* const memory, size_t length) inline PSYC_Array PSYC_createArray (uint8_t* const memory, size_t length)
{ {
PSYC_Array arr = {length, memory}; PSYC_Array arr = {length, memory};
return arr; return arr;
} }
/* @brief initiates the state struct with flags /* @brief Initiates the state struct with flags.
* *
* @param state pointer to the state struct that should be initiated * @param state Pointer to the state struct that should be initiated.
* @param flags the flags that one ones to set, see PSYC_Flags */ * @param flags The flags that one ones to set, see PSYC_Flags.
*/
inline void PSYC_initState2 (PSYC_State* state, uint8_t flags ) inline void PSYC_initState2 (PSYC_State* state, uint8_t flags )
{ {
memset(state, 0, sizeof(PSYC_State)); memset(state, 0, sizeof(PSYC_State));
state->flags = flags; state->flags = flags;
} }
/* @brief initiates the state struct /* @brief Initiates the state struct.
* *
* @param state pointer to the state struct that should be initiated */ * @param state Pointer to the state struct that should be initiated.
*/
inline void PSYC_initState (PSYC_State* state) inline void PSYC_initState (PSYC_State* state)
{ {
memset(state, 0, sizeof(PSYC_State)); memset(state, 0, sizeof(PSYC_State));
} }
/* @brief Initiates the list state struct.
*
* @param state Pointer to the list state struct that should be initiated.
*/
inline void PSYC_initListState (PSYC_ListState* state)
{
memset(state, 0, sizeof(PSYC_ListState));
}
inline void PSYC_nextBuffer (PSYC_State* state, PSYC_Array newBuf) inline void PSYC_nextBuffer (PSYC_State* state, PSYC_Array newBuf)
{ {
state->buffer = newBuf; state->buffer = newBuf;
state->cursor = 0;
}
inline void PSYC_nextListBuffer (PSYC_ListState* state, PSYC_Array newBuf)
{
state->buffer = newBuf;
state->cursor = 0; state->cursor = 0;
} }
@ -109,3 +152,5 @@ inline size_t PSYC_getContentLength (PSYC_State* s)
#endif #endif
int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value); int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value);
int PSYC_parseList(PSYC_ListState* state, PSYC_Array *name, PSYC_Array* value, PSYC_Array* elem);

187
src/parser.c
View file

@ -7,11 +7,11 @@
#include <psyc/parser.h> #include <psyc/parser.h>
#define ADVANCE_CURSOR_OR_RETURN() \ #define ADVANCE_CURSOR_OR_RETURN(ret) \
if (++(state->cursor) >= state->buffer.length) \ if (++(state->cursor) >= state->buffer.length) \
{ \ { \
state->cursor = state->startc; \ state->cursor = state->startc; \
return PSYC_INSUFFICIENT; \ return ret; \
} }
/** @brief isGlyph /** @brief isGlyph
@ -24,14 +24,14 @@ inline char isGlyph(uint8_t g)
{ {
case ':': case ':':
case '=': case '=':
case '?':
case '+': case '+':
case '-': case '-':
case '?':
case '!':
return 1; return 1;
default: default:
return 0; return 0;
} }
} }
inline char isNumeric(uint8_t c) inline char isNumeric(uint8_t c)
@ -64,8 +64,8 @@ inline int PSYC_parseName(PSYC_State* state, PSYC_Array* name)
while (isKwChar(state->buffer.ptr[state->cursor])) while (isKwChar(state->buffer.ptr[state->cursor]))
{ {
name->length++; // was a valid char, increase length name->length++; /* was a valid char, increase length */
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
} }
return name->length > 0 ? PSYC_SUCCESS : PSYC_ERROR; return name->length > 0 ? PSYC_SUCCESS : PSYC_ERROR;
@ -81,11 +81,10 @@ inline int PSYC_parseBinaryValue(PSYC_State* state, PSYC_Array* value, size_t* l
size_t remaining = *length - *parsed; size_t remaining = *length - *parsed;
value->ptr = state->buffer.ptr + state->cursor; value->ptr = state->buffer.ptr + state->cursor;
if (state->cursor + remaining > state->buffer.length) // is the length larger than this buffer? if (state->cursor + remaining > state->buffer.length) /* is the length larger than this buffer? */
{ {
value->length = state->buffer.length - state->cursor; value->length = state->buffer.length - state->cursor;
*parsed += value->length; *parsed += value->length;
state->cursor = 0;
return PSYC_INCOMPLETE; return PSYC_INCOMPLETE;
} }
@ -103,7 +102,7 @@ inline int PSYC_parseBinaryValue(PSYC_State* state, PSYC_Array* value, size_t* l
inline int PSYC_parseVar(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value) inline int PSYC_parseVar(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value)
{ {
*modifier = *(state->buffer.ptr + state->cursor); *modifier = *(state->buffer.ptr + state->cursor);
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
if (PSYC_parseName(state, name) != PSYC_SUCCESS) if (PSYC_parseName(state, name) != PSYC_SUCCESS)
return PSYC_ERROR_VAR_NAME; return PSYC_ERROR_VAR_NAME;
@ -112,9 +111,9 @@ inline int PSYC_parseVar(PSYC_State* state, uint8_t* modifier, PSYC_Array* name,
/* Parse the value. /* Parse the value.
* If we're in the content part check if it's a binary var */ * If we're in the content part check if it's a binary var */
if (state->part == PSYC_PART_CONTENT && state->buffer.ptr[state->cursor] == ' ') // binary arg if (state->part == PSYC_PART_CONTENT && state->buffer.ptr[state->cursor] == ' ') /* binary arg */
{ // after SP the length follows. { /* After SP the length follows. */
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
state->valueLength = 0; state->valueLength = 0;
state->valueParsed = 0; state->valueParsed = 0;
@ -123,22 +122,19 @@ inline int PSYC_parseVar(PSYC_State* state, uint8_t* modifier, PSYC_Array* name,
do do
{ {
state->valueLength = 10 * state->valueLength + state->buffer.ptr[state->cursor] - '0'; state->valueLength = 10 * state->valueLength + state->buffer.ptr[state->cursor] - '0';
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
} }
while (isNumeric(state->buffer.ptr[state->cursor])); while (isNumeric(state->buffer.ptr[state->cursor]));
} }
else else
return PSYC_ERROR_VAR_LEN; return PSYC_ERROR_VAR_LEN;
// after the length a TAB follows /* After the length a TAB follows. */
if (state->buffer.ptr[state->cursor] != '\t') if (state->buffer.ptr[state->cursor] != '\t')
return PSYC_ERROR_VAR_TAB; return PSYC_ERROR_VAR_TAB;
if (state->buffer.length <= ++(state->cursor)) // incremented cursor inside length? if (state->buffer.length <= ++(state->cursor)) /* Incremented cursor inside length? */
{
state->cursor = 0;
return PSYC_ENTITY_INCOMPLETE; return PSYC_ENTITY_INCOMPLETE;
}
if (PSYC_parseBinaryValue(state, value, &(state->valueLength), &(state->valueParsed)) == PSYC_INCOMPLETE) if (PSYC_parseBinaryValue(state, value, &(state->valueLength), &(state->valueParsed)) == PSYC_INCOMPLETE)
return PSYC_ENTITY_INCOMPLETE; return PSYC_ENTITY_INCOMPLETE;
@ -146,15 +142,15 @@ inline int PSYC_parseVar(PSYC_State* state, uint8_t* modifier, PSYC_Array* name,
state->cursor++; state->cursor++;
return PSYC_SUCCESS; return PSYC_SUCCESS;
} }
else if (state->buffer.ptr[state->cursor] == '\t') // simple arg else if (state->buffer.ptr[state->cursor] == '\t') /* simple arg */
{ {
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
value->ptr = state->buffer.ptr + state->cursor; value->ptr = state->buffer.ptr + state->cursor;
while (state->buffer.ptr[state->cursor] != '\n') while (state->buffer.ptr[state->cursor] != '\n')
{ {
value->length++; value->length++;
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
} }
state->cursor++; state->cursor++;
return PSYC_SUCCESS; return PSYC_SUCCESS;
@ -163,45 +159,45 @@ inline int PSYC_parseVar(PSYC_State* state, uint8_t* modifier, PSYC_Array* name,
return PSYC_ERROR_VAR_TAB; return PSYC_ERROR_VAR_TAB;
} }
/** @brief generalized line-based parser */ /** @brief Generalized line-based parser. */
int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value) int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value)
{ {
int ret; /* a return value */ int ret; /* a return value */
size_t pos; /* a cursor position */ size_t pos; /* a cursor position */
/* start position of the current line in the buffer /* Start position of the current line in the buffer
* in case we return insufficent, we rewind to this position */ * in case we return insufficent, we rewind to this position. */
state->startc = state->cursor; state->startc = state->cursor;
/* first we test if we can access the first char */ /* First we test if we can access the first char. */
if (state->buffer.length <= state->cursor) // cursor is not inside the length if (state->cursor >= state->buffer.length) /* cursor is not inside the length */
return PSYC_INSUFFICIENT; // return insufficient data. return PSYC_INSUFFICIENT; /* return insufficient data. */
switch (state->part) switch (state->part)
{ {
case PSYC_PART_RESET: // new packet starts here, reset state case PSYC_PART_RESET: /* New packet starts here, reset state. */
state->valueParsed = 0; state->valueParsed = 0;
state->valueLength = 0; state->valueLength = 0;
state->contentParsed = 0; state->contentParsed = 0;
state->contentLength = 0; state->contentLength = 0;
state->contentLengthFound = 0; state->contentLengthFound = 0;
state->part = PSYC_PART_HEADER; state->part = PSYC_PART_HEADER;
// fall thru /* fall thru */
case PSYC_PART_HEADER: case PSYC_PART_HEADER:
/* Each line of the header starts with a glyph, /* Each line of the header starts with a glyph,
* i.e. :_name, -_name +_name etc, * i.e. :_name, -_name +_name etc,
* so just test if the first char is a glyph. * so just test if the first char is a glyph.
*/ */
if (isGlyph(state->buffer.ptr[state->cursor])) // is the first char a glyph? if (isGlyph(state->buffer.ptr[state->cursor])) /* is the first char a glyph? */
{ // it is a glyph, so a variable starts here { /* it is a glyph, so a variable starts here */
ret = PSYC_parseVar(state, modifier, name, value); ret = PSYC_parseVar(state, modifier, name, value);
return ret == PSYC_SUCCESS ? PSYC_ROUTING : ret; return ret == PSYC_SUCCESS ? PSYC_ROUTING : ret;
} }
else // not a glyph else /* not a glyph */
{ {
state->part = PSYC_PART_LENGTH; state->part = PSYC_PART_LENGTH;
// fall thru /* fall thru */
} }
case PSYC_PART_LENGTH: case PSYC_PART_LENGTH:
@ -213,7 +209,7 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
do do
{ {
state->contentLength = 10 * state->contentLength + state->buffer.ptr[state->cursor] - '0'; state->contentLength = 10 * state->contentLength + state->buffer.ptr[state->cursor] - '0';
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
} }
while (isNumeric(state->buffer.ptr[state->cursor])); while (isNumeric(state->buffer.ptr[state->cursor]));
} }
@ -226,9 +222,9 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
else else
state->part = PSYC_PART_CONTENT; state->part = PSYC_PART_CONTENT;
} }
else /* not start of content, this must be the end */ else /* Not start of content, this must be the end. */
{ {
/* if we have a length then it should've been followed by a \n */ /* If we have a length then it should've been followed by a \n */
if (state->contentLengthFound) if (state->contentLengthFound)
return PSYC_ERROR_LENGTH; return PSYC_ERROR_LENGTH;
@ -236,9 +232,9 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
goto PSYC_PART_END; goto PSYC_PART_END;
} }
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
state->startc = state->cursor; state->startc = state->cursor;
// fall thru /* fall thru */
case PSYC_PART_CONTENT: case PSYC_PART_CONTENT:
/* In case of an incomplete binary variable resume parsing it. */ /* In case of an incomplete binary variable resume parsing it. */
@ -265,7 +261,7 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
{ {
state->part = PSYC_PART_METHOD; state->part = PSYC_PART_METHOD;
state->startc = state->cursor; state->startc = state->cursor;
// fall thru /* fall thru */
} }
case PSYC_PART_METHOD: case PSYC_PART_METHOD:
@ -281,9 +277,9 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
state->part = PSYC_PART_DATA; state->part = PSYC_PART_DATA;
if (state->cursor >= state->buffer.length) if (state->cursor >= state->buffer.length)
return PSYC_INSUFFICIENT; return PSYC_INSUFFICIENT;
// fall thru /* fall thru */
} }
else /* no method, which means the packet should end now */ else /* No method, which means the packet should end now. */
{ {
state->part = PSYC_PART_END; state->part = PSYC_PART_END;
state->startc = state->cursor; state->startc = state->cursor;
@ -294,7 +290,7 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
value->ptr = state->buffer.ptr + state->cursor; value->ptr = state->buffer.ptr + state->cursor;
value->length = 0; value->length = 0;
if (state->contentLengthFound) // we know the length of the packet if (state->contentLengthFound) /* We know the length of the packet. */
{ {
if (PSYC_parseBinaryValue(state, value, &(state->contentLength), &(state->contentParsed)) == PSYC_INCOMPLETE) if (PSYC_parseBinaryValue(state, value, &(state->contentLength), &(state->contentParsed)) == PSYC_INCOMPLETE)
return PSYC_BODY_INCOMPLETE; return PSYC_BODY_INCOMPLETE;
@ -303,16 +299,16 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
state->part = PSYC_PART_END; state->part = PSYC_PART_END;
return PSYC_BODY; return PSYC_BODY;
} }
else // search for the terminator else /* Search for the terminator. */
{ {
while (1) while (1)
{ {
if (state->buffer.ptr[state->cursor] == '\n') if (state->buffer.ptr[state->cursor] == '\n')
{ {
if (state->cursor+2 >= state->buffer.length) // incremented cursor inside length? if (state->cursor+2 >= state->buffer.length) /* incremented cursor inside length? */
{ {
state->cursor = state->startc; // set to start value state->cursor = state->startc;
return PSYC_INSUFFICIENT; // return insufficient return PSYC_INSUFFICIENT;
} }
if (state->buffer.ptr[state->cursor+1] == '|' && if (state->buffer.ptr[state->cursor+1] == '|' &&
@ -324,16 +320,16 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
} }
} }
value->length++; value->length++;
ADVANCE_CURSOR_OR_RETURN(); ADVANCE_CURSOR_OR_RETURN(PSYC_INSUFFICIENT);
} }
} }
case PSYC_PART_END: case PSYC_PART_END:
PSYC_PART_END: PSYC_PART_END:
/* end of packet, at this point we have already passed a \n /* End of packet, at this point we have already passed a \n
and the cursor should point to | */ and the cursor should point to | */
if (state->cursor+1 >= state->buffer.length) // incremented cursor inside length? if (state->cursor+1 >= state->buffer.length) /* incremented cursor inside length? */
return PSYC_INSUFFICIENT; // return insufficient return PSYC_INSUFFICIENT;
if (state->buffer.ptr[state->cursor] == '|' && if (state->buffer.ptr[state->cursor] == '|' &&
state->buffer.ptr[state->cursor+1] == '\n') /* packet ends here */ state->buffer.ptr[state->cursor+1] == '\n') /* packet ends here */
@ -348,5 +344,94 @@ int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Arra
return PSYC_ERROR_END; return PSYC_ERROR_END;
} }
} }
return PSYC_ERROR; // should not be reached return PSYC_ERROR; /* should not be reached */
}
/** @brief list parser */
int PSYC_parseList(PSYC_ListState* state, PSYC_Array *name, PSYC_Array* value, PSYC_Array* elem)
{
if (state->cursor >= state->buffer.length)
return PSYC_LIST_INCOMPLETE;
state->startc = state->cursor;
if (!state->type) /* If type is not set we're at the start */
{
if (name->length < 5 || memcmp(name->ptr, "_list", 5) != 0 ||
(name->length > 5 && name->ptr[5] != '_')) /* name should be _list or should start with _list_ */
return PSYC_ERROR_LIST_NAME;
/* First character is either | for text lists, or a number for binary lists */
if (state->buffer.ptr[state->cursor] == '|')
{
state->type = PSYC_LIST_TEXT;
state->cursor++;
}
else if (isNumeric(state->buffer.ptr[state->cursor]))
state->type = PSYC_LIST_BINARY;
else
return PSYC_ERROR_LIST_TYPE;
}
if (state->type == PSYC_LIST_TEXT)
{
elem->ptr = state->buffer.ptr + state->cursor;
elem->length = 0;
if (state->cursor >= state->buffer.length)
return PSYC_LIST_END;
while (state->buffer.ptr[state->cursor] != '|')
{
elem->length++;
if (++(state->cursor) >= state->buffer.length)
return PSYC_LIST_END;
}
state->cursor++;
return PSYC_LIST_ELEM;
}
else /* binary list */
{
if (!(state->elemParsed < state->elemLength)) {
/* Element starts with a number. */
if (isNumeric(state->buffer.ptr[state->cursor]))
{
do
{
state->elemLength = 10 * state->elemLength + state->buffer.ptr[state->cursor] - '0';
ADVANCE_CURSOR_OR_RETURN(PSYC_LIST_INCOMPLETE);
}
while (isNumeric(state->buffer.ptr[state->cursor]));
}
else
return PSYC_ERROR_LIST_LEN;
if (state->buffer.ptr[state->cursor] != ' ')
return PSYC_ERROR_LIST_LEN;
state->cursor++;
elem->ptr = state->buffer.ptr + state->cursor;
elem->length = 0;
state->elemParsed = 0;
}
/* Start or resume parsing the binary data */
if (state->elemParsed < state->elemLength) {
if (PSYC_parseBinaryValue((PSYC_State*)state, elem, &(state->elemLength), &(state->elemParsed)) == PSYC_INCOMPLETE)
return PSYC_LIST_INCOMPLETE;
state->elemLength = 0;
if (state->cursor >= state->buffer.length)
return PSYC_LIST_END;
if (state->buffer.ptr[state->cursor] != '|')
return PSYC_ERROR_LIST_DELIM;
state->cursor++;
return PSYC_LIST_ELEM;
}
}
return PSYC_ERROR_LIST; /* should not be reached */
} }

2
src/tests/packets/test-2-list
View file

@ -1,7 +1,7 @@
| |
=_source psyc://foo/~bar =_source psyc://foo/~bar
:_target psyc://bar/~baz :_target psyc://bar/~baz
=_list_foo foo|bar|baz =_list_foo |foo|bar|baz
:_tag sch1828hu3r2cm :_tag sch1828hu3r2cm
=_foo bar baz =_foo bar baz

26
src/tests/packets/test-2-list-error Normal file
View file

@ -0,0 +1,26 @@
|
=_source psyc://foo/~bar
:_target psyc://bar/~baz
=_list_foo foo|bar|baz
=_listfoo foo|bar|baz
:_tag sch1828hu3r2cm
=_foo bar baz
=_abc_def 11 ghi jkl
xq
=_list_bar 36 2 foo|3 bar|7 foo
bar|11 foo
bar
baz
:_foo_bar yay
_message_foo_bar
ohai there!
\o/
|
:_target psyc://foo.bar/~baz
:_test 123
_message_test
ohai!
|

2
src/tests/packets/test-3-list
View file

@ -1,7 +1,7 @@
| |
=_source psyc://foo/~bar =_source psyc://foo/~bar
:_target psyc://bar/~baz :_target psyc://bar/~baz
=_list_foo foo|bar|baz =_list_foo |foo|bar|baz
:_tag sch1828hu3r2cm :_tag sch1828hu3r2cm
?_test ignored ?_test ignored

49
src/tests/testParser.c
View file

@ -5,31 +5,26 @@
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
uint8_t buffer[2048]; int index, ret;
int index; uint8_t buffer[2048], modifier;
PSYC_Array name, value, elem;
PSYC_State state;
PSYC_ListState listState;
int file = open(argv[1],O_RDONLY); int file = open(argv[1],O_RDONLY);
if(file < 0) if(file < 0)
return -1; return -1;
index = read(file,(void*)buffer,sizeof(buffer)); index = read(file,(void*)buffer,sizeof(buffer));
write(1, ">> INPUT:\n", 10); write(1, ">> INPUT\n", 9);
write(1, buffer, index); write(1, buffer, index);
write(1, ">> PARSE:\n", 10); write(1, ">> PARSE\n", 9);
PSYC_State state;
PSYC_initState(&state); PSYC_initState(&state);
//unsigned int cursor=0,tmp=0;
//unsigned long expectedBytes=0;
uint8_t modifier;
int ret;
PSYC_Array name, value;
PSYC_nextBuffer(&state, PSYC_createArray(buffer, index)); PSYC_nextBuffer(&state, PSYC_createArray(buffer, index));
// try parsing that now // try parsing that now
while((ret=PSYC_parse(&state, &modifier, &name, &value))) while (ret = PSYC_parse(&state, &modifier, &name, &value))
{ {
switch (ret) switch (ret)
{ {
@ -41,6 +36,33 @@ int main(int argc, char** argv)
write(1, " = ", 3); write(1, " = ", 3);
write(1, value.ptr, value.length); write(1, value.ptr, value.length);
write(1, "\n", 1); write(1, "\n", 1);
if (memcmp(name.ptr, "_list", 5) == 0)
{
write(1, ">>> LIST START\n", 15);
PSYC_initListState(&listState);
PSYC_nextListBuffer(&listState, value);
while (ret = PSYC_parseList(&listState, &name, &value, &elem))
{
switch (ret)
{
case PSYC_LIST_END:
case PSYC_LIST_ELEM:
write(1, "|", 1);
write(1, elem.ptr, elem.length);
write(1, "\n", 1);
break;
default:
printf("Error while parsing list: %i\n", ret);
return 1;
}
if (ret == PSYC_LIST_END)
{
write(1, ">>> LIST END\n", 13);
break;
}
}
}
break; break;
case PSYC_COMPLETE: case PSYC_COMPLETE:
printf("Done parsing.\n"); printf("Done parsing.\n");
@ -54,5 +76,4 @@ int main(int argc, char** argv)
} }
} }
return 0; return 0;
} }