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s/modifier/operator/

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This commit is contained in:
Gabor Adam Toth 2011-04-22 20:50:59 +02:00
parent 0e54f3f76a
commit 4de626227a
8 changed files with 39 additions and 44 deletions
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12
include/psyc/parser.h
View file

@ -43,13 +43,13 @@ typedef enum
/// from the cursor position to the end.
PSYC_PARSE_INSUFFICIENT = 1,
/// Routing variable parsing done.
/// Modifier, name & value contains the respective parts.
/// Operator, name & value contains the respective parts.
PSYC_PARSE_ROUTING = 2,
/// Entity variable parsing done.
/// Modifier, name & value contains the respective parts.
/// Operator, name & value contains the respective parts.
PSYC_PARSE_ENTITY = 3,
/// Entity variable parsing is incomplete.
/// Modifier & name are complete, value is incomplete.
/// Operator & name are complete, value is incomplete.
PSYC_PARSE_ENTITY_INCOMPLETE = 4,
/// Body parsing done, name contains method, value contains body.
PSYC_PARSE_BODY = 5,
@ -156,14 +156,14 @@ inline size_t PSYC_getContentLength (PSYC_ParseState* s);
* Generalized line-based packet parser.
*
* @param state An initialized PSYC_ParseState
* @param modifier A pointer to a character. In case of a variable, it will
* be set to the modifier of that variable
* @param operator A pointer to a character. In case of a variable, it will
* be set to the operator of that variable
* @param name A pointer to a PSYC_Array. It will point to the name of
* the variable or method and its length will be set accordingly
* @param value A pointer to a PSYC_Array. It will point to the
* value/body the variable/method and its length will be set accordingly
*/
PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name, PSYC_Array* value);
PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* operator, PSYC_Array* name, PSYC_Array* value);
/**
* List value parser.

7
include/psyc/render.h
View file

@ -3,11 +3,6 @@
#include "syntax.h"
#define PSYC_FLAG_UNDEFINED 0
#define PSYC_FLAG_NOT_BINARY 1
#define PSYC_FLAG_YES_BINARY 2
#define PSYC_FLAG_CHECK_BINARY 3
typedef enum
{
PSYC_RENDER_CHECK_LENGTH = 0,
@ -47,7 +42,7 @@ inline void PSYC_initRenderState (PSYC_RenderState* state);
int PSYC_renderVar(PSYC_RenderState* render,
const char* name, size_t nlength,
const char* value, size_t vlength,
PSYC_RenderFlag flags, char modifier);
PSYC_RenderFlag flags, char operator);
int PSYC_renderBody(PSYC_RenderState* render,
const char* method, size_t mlength,

20
include/psyc/syntax.h
View file

@ -17,20 +17,20 @@
#define C_GLYPH_SEPARATOR_KEYWORD '_'
#define S_GLYPH_SEPARATOR_KEYWORD "_"
#define C_GLYPH_MODIFIER_SET ':'
#define S_GLYPH_MODIFIER_SET ":"
#define C_GLYPH_OPERATOR_SET ':'
#define S_GLYPH_OPERATOR_SET ":"
#define C_GLYPH_MODIFIER_ASSIGN '='
#define S_GLYPH_MODIFIER_ASSIGN "="
#define C_GLYPH_OPERATOR_ASSIGN '='
#define S_GLYPH_OPERATOR_ASSIGN "="
#define C_GLYPH_MODIFIER_AUGMENT '+'
#define S_GLYPH_MODIFIER_AUGMENT "+"
#define C_GLYPH_OPERATOR_AUGMENT '+'
#define S_GLYPH_OPERATOR_AUGMENT "+"
#define C_GLYPH_MODIFIER_DIMINISH '-'
#define S_GLYPH_MODIFIER_DIMINISH "-"
#define C_GLYPH_OPERATOR_DIMINISH '-'
#define S_GLYPH_OPERATOR_DIMINISH "-"
#define C_GLYPH_MODIFIER_QUERY '?'
#define S_GLYPH_MODIFIER_QUERY "?"
#define C_GLYPH_OPERATOR_QUERY '?'
#define S_GLYPH_OPERATOR_QUERY "?"
/* might move into routing.h or something */
#define PSYC_ROUTING 1

10
src/parser.c
View file

@ -154,9 +154,9 @@ inline PSYC_ParseRC PSYC_parseBinaryValue(PSYC_ParseState* state, PSYC_Array* va
* Parse simple or binary variable.
* @return PSYC_PARSE_ERROR or PSYC_PARSE_SUCCESS
*/
inline PSYC_ParseRC PSYC_parseVar(PSYC_ParseState* state, char* modifier, PSYC_Array* name, PSYC_Array* value)
inline PSYC_ParseRC PSYC_parseVar(PSYC_ParseState* state, char* operator, PSYC_Array* name, PSYC_Array* value)
{
*modifier = *(state->buffer.ptr + state->cursor);
*operator = *(state->buffer.ptr + state->cursor);
ADVANCE_CURSOR_OR_RETURN(PSYC_PARSE_INSUFFICIENT);
if (PSYC_parseName(state, name) != PSYC_PARSE_SUCCESS)
@ -218,7 +218,7 @@ inline PSYC_ParseRC PSYC_parseVar(PSYC_ParseState* state, char* modifier, PSYC_A
* Parse PSYC packets.
* Generalized line-based parser.
*/
PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name, PSYC_Array* value)
PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* operator, PSYC_Array* name, PSYC_Array* value)
{
int ret; // a return value
size_t pos; // a cursor position
@ -248,7 +248,7 @@ PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name
// so just test if the first char is a glyph.
if (isGlyph(state->buffer.ptr[state->cursor])) // is the first char a glyph?
{ // it is a glyph, so a variable starts here
ret = PSYC_parseVar(state, modifier, name, value);
ret = PSYC_parseVar(state, operator, name, value);
return ret == PSYC_PARSE_SUCCESS ? PSYC_PARSE_ROUTING : ret;
}
else // not a glyph
@ -310,7 +310,7 @@ PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name
if (isGlyph(state->buffer.ptr[state->cursor]))
{
pos = state->cursor;
ret = PSYC_parseVar(state, modifier, name, value);
ret = PSYC_parseVar(state, operator, name, value);
state->contentParsed += state->cursor - pos;
return ret == PSYC_PARSE_SUCCESS ? PSYC_PARSE_ENTITY : ret;
}

10
src/psyc_parser_cb.h
View file

@ -46,14 +46,14 @@ void PSYC_parse(const uint8_t* data, unsigned int length,
struct PSYC_Parser* pstate);
/** @brief FlagMod */
enum PSYC_Modifier
enum PSYC_Operator
{
// variable modifers
// modifier operators
ASSIGN = 0x02,
AUGMENT = 0x04,
DIMINISH = 0x08,
SET = 0x10,
QUERY=0x20
QUERY = 0x20,
};
struct PSYC_Parser
@ -79,7 +79,7 @@ struct PSYC_Parser
void (*stateCallback)(struct PSYC_Parser* pstate,
const uint8_t *name, const unsigned int nlength,
const uint8_t *value, const unsigned int vlength,
enum PSYC_Modifier modifiers, char inEntity);
enum PSYC_Operator operators, char inEntity);
/** @brief gets called after the routing-header was parsed
*
@ -135,7 +135,7 @@ struct PSYC_Parser
void (*errorStateCallback)(struct PSYC_Parser* pstate,
const uint8_t *name, const unsigned int nlength,
const uint8_t *value, const unsigned int vlength,
enum PSYC_Modifier modifiers);
enum PSYC_Operator operators);
/*******************************************

6
src/render.c
View file

@ -9,15 +9,15 @@ inline void PSYC_initRenderState (PSYC_RenderState* state)
PSYC_RenderRC PSYC_renderVar(PSYC_RenderState* state,
const char* name, size_t nlength,
const char* value, size_t vlength,
const PSYC_RenderFlag flags, char modifier)
const PSYC_RenderFlag flags, char operator)
{
size_t startc = state->cursor;
unless (nlength) nlength = strlen(name);
// vlength 0 means an empty variable.. no cheating there
unless (modifier) modifier = C_GLYPH_MODIFIER_SET;
unless (operator) operator = C_GLYPH_OPERATOR_SET;
state->buffer[state->cursor++] = modifier;
state->buffer[state->cursor++] = operator;
strncpy(&state->buffer[state->cursor], name, nlength);
state->cursor += nlength;

6
test/testParser.c
View file

@ -7,7 +7,7 @@
int main(int argc, char** argv)
{
int index, ret;
char buffer[2048], modifier;
char buffer[2048], operator;
PSYC_Array name, value, elem;
PSYC_ParseState state;
PSYC_ParseListState listState;
@ -25,13 +25,13 @@ int main(int argc, char** argv)
PSYC_nextParseBuffer(&state, PSYC_createArray(buffer, index));
// try parsing that now
while ((ret = PSYC_parse(&state, &modifier, &name, &value)))
while ((ret = PSYC_parse(&state, &operator, &name, &value)))
{
switch (ret)
{
case PSYC_PARSE_ROUTING:
case PSYC_PARSE_ENTITY:
write(1, &modifier, 1);
write(1, &operator, 1);
case PSYC_PARSE_BODY:
// printf("the string is '%.*s'\n", name);
write(1, name.ptr, name.length);

4
test/testRender.c
View file

@ -24,8 +24,8 @@ int writePresence(const char *avail, int availlen, const char *desc, int desclen
// the first call to PSYC_renderHeader() without PSYC_RENDER_ROUTING adds the
// extra newline to the buffer. later vars with PSYC_RENDER_ROUTING cause an error.
(void) PSYC_renderVar(pb, "_degree_availability", 0, avail, availlen, 0, C_GLYPH_MODIFIER_ASSIGN);
(void) PSYC_renderVar(pb, "_description_presence", 0, desc, desclen, 0, C_GLYPH_MODIFIER_ASSIGN);
(void) PSYC_renderVar(pb, "_degree_availability", 0, avail, availlen, 0, C_GLYPH_OPERATOR_ASSIGN);
(void) PSYC_renderVar(pb, "_description_presence", 0, desc, desclen, 0, C_GLYPH_OPERATOR_ASSIGN);
// presence is to be assigned permanently in distributed state
(void) PSYC_renderBody(pb, "_notice_presence", 0,