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s/modifier/operator/
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parent
35342caced
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8359215d98
8 changed files with 39 additions and 44 deletions
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@ -43,13 +43,13 @@ typedef enum
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/// from the cursor position to the end.
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/// from the cursor position to the end.
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PSYC_PARSE_INSUFFICIENT = 1,
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PSYC_PARSE_INSUFFICIENT = 1,
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/// Routing variable parsing done.
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/// Routing variable parsing done.
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/// Modifier, name & value contains the respective parts.
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/// Operator, name & value contains the respective parts.
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PSYC_PARSE_ROUTING = 2,
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PSYC_PARSE_ROUTING = 2,
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/// Entity variable parsing done.
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/// Entity variable parsing done.
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/// Modifier, name & value contains the respective parts.
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/// Operator, name & value contains the respective parts.
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PSYC_PARSE_ENTITY = 3,
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PSYC_PARSE_ENTITY = 3,
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/// Entity variable parsing is incomplete.
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/// Entity variable parsing is incomplete.
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/// Modifier & name are complete, value is incomplete.
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/// Operator & name are complete, value is incomplete.
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PSYC_PARSE_ENTITY_INCOMPLETE = 4,
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PSYC_PARSE_ENTITY_INCOMPLETE = 4,
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/// Body parsing done, name contains method, value contains body.
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/// Body parsing done, name contains method, value contains body.
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PSYC_PARSE_BODY = 5,
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PSYC_PARSE_BODY = 5,
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@ -156,14 +156,14 @@ inline size_t PSYC_getContentLength (PSYC_ParseState* s);
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* Generalized line-based packet parser.
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* Generalized line-based packet parser.
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*
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*
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* @param state An initialized PSYC_ParseState
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* @param state An initialized PSYC_ParseState
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* @param modifier A pointer to a character. In case of a variable, it will
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* @param operator A pointer to a character. In case of a variable, it will
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* be set to the modifier of that variable
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* be set to the operator of that variable
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* @param name A pointer to a PSYC_Array. It will point to the name of
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* @param name A pointer to a PSYC_Array. It will point to the name of
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* the variable or method and its length will be set accordingly
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* the variable or method and its length will be set accordingly
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* @param value A pointer to a PSYC_Array. It will point to the
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* @param value A pointer to a PSYC_Array. It will point to the
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* value/body the variable/method and its length will be set accordingly
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* value/body the variable/method and its length will be set accordingly
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*/
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*/
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PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name, PSYC_Array* value);
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PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* operator, PSYC_Array* name, PSYC_Array* value);
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/**
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/**
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* List value parser.
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* List value parser.
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@ -3,11 +3,6 @@
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#include "syntax.h"
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#include "syntax.h"
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#define PSYC_FLAG_UNDEFINED 0
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#define PSYC_FLAG_NOT_BINARY 1
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#define PSYC_FLAG_YES_BINARY 2
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#define PSYC_FLAG_CHECK_BINARY 3
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typedef enum
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typedef enum
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{
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{
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PSYC_RENDER_CHECK_LENGTH = 0,
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PSYC_RENDER_CHECK_LENGTH = 0,
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@ -47,7 +42,7 @@ inline void PSYC_initRenderState (PSYC_RenderState* state);
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int PSYC_renderVar(PSYC_RenderState* render,
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int PSYC_renderVar(PSYC_RenderState* render,
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const char* name, size_t nlength,
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const char* name, size_t nlength,
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const char* value, size_t vlength,
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const char* value, size_t vlength,
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PSYC_RenderFlag flags, char modifier);
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PSYC_RenderFlag flags, char operator);
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int PSYC_renderBody(PSYC_RenderState* render,
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int PSYC_renderBody(PSYC_RenderState* render,
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const char* method, size_t mlength,
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const char* method, size_t mlength,
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@ -17,20 +17,20 @@
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#define C_GLYPH_SEPARATOR_KEYWORD '_'
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#define C_GLYPH_SEPARATOR_KEYWORD '_'
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#define S_GLYPH_SEPARATOR_KEYWORD "_"
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#define S_GLYPH_SEPARATOR_KEYWORD "_"
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#define C_GLYPH_MODIFIER_SET ':'
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#define C_GLYPH_OPERATOR_SET ':'
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#define S_GLYPH_MODIFIER_SET ":"
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#define S_GLYPH_OPERATOR_SET ":"
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#define C_GLYPH_MODIFIER_ASSIGN '='
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#define C_GLYPH_OPERATOR_ASSIGN '='
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#define S_GLYPH_MODIFIER_ASSIGN "="
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#define S_GLYPH_OPERATOR_ASSIGN "="
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#define C_GLYPH_MODIFIER_AUGMENT '+'
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#define C_GLYPH_OPERATOR_AUGMENT '+'
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#define S_GLYPH_MODIFIER_AUGMENT "+"
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#define S_GLYPH_OPERATOR_AUGMENT "+"
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#define C_GLYPH_MODIFIER_DIMINISH '-'
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#define C_GLYPH_OPERATOR_DIMINISH '-'
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#define S_GLYPH_MODIFIER_DIMINISH "-"
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#define S_GLYPH_OPERATOR_DIMINISH "-"
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#define C_GLYPH_MODIFIER_QUERY '?'
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#define C_GLYPH_OPERATOR_QUERY '?'
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#define S_GLYPH_MODIFIER_QUERY "?"
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#define S_GLYPH_OPERATOR_QUERY "?"
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/* might move into routing.h or something */
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/* might move into routing.h or something */
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#define PSYC_ROUTING 1
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#define PSYC_ROUTING 1
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10
src/parser.c
10
src/parser.c
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@ -154,9 +154,9 @@ inline PSYC_ParseRC PSYC_parseBinaryValue(PSYC_ParseState* state, PSYC_Array* va
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* Parse simple or binary variable.
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* Parse simple or binary variable.
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* @return PSYC_PARSE_ERROR or PSYC_PARSE_SUCCESS
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* @return PSYC_PARSE_ERROR or PSYC_PARSE_SUCCESS
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*/
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*/
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inline PSYC_ParseRC PSYC_parseVar(PSYC_ParseState* state, char* modifier, PSYC_Array* name, PSYC_Array* value)
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inline PSYC_ParseRC PSYC_parseVar(PSYC_ParseState* state, char* operator, PSYC_Array* name, PSYC_Array* value)
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{
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{
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*modifier = *(state->buffer.ptr + state->cursor);
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*operator = *(state->buffer.ptr + state->cursor);
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ADVANCE_CURSOR_OR_RETURN(PSYC_PARSE_INSUFFICIENT);
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ADVANCE_CURSOR_OR_RETURN(PSYC_PARSE_INSUFFICIENT);
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if (PSYC_parseName(state, name) != PSYC_PARSE_SUCCESS)
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if (PSYC_parseName(state, name) != PSYC_PARSE_SUCCESS)
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@ -218,7 +218,7 @@ inline PSYC_ParseRC PSYC_parseVar(PSYC_ParseState* state, char* modifier, PSYC_A
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* Parse PSYC packets.
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* Parse PSYC packets.
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* Generalized line-based parser.
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* Generalized line-based parser.
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*/
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*/
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PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name, PSYC_Array* value)
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PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* operator, PSYC_Array* name, PSYC_Array* value)
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{
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{
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int ret; // a return value
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int ret; // a return value
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size_t pos; // a cursor position
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size_t pos; // a cursor position
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@ -248,7 +248,7 @@ PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name
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// so just test if the first char is a glyph.
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// so just test if the first char is a glyph.
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if (isGlyph(state->buffer.ptr[state->cursor])) // is the first char a glyph?
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if (isGlyph(state->buffer.ptr[state->cursor])) // is the first char a glyph?
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{ // it is a glyph, so a variable starts here
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{ // it is a glyph, so a variable starts here
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ret = PSYC_parseVar(state, modifier, name, value);
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ret = PSYC_parseVar(state, operator, name, value);
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return ret == PSYC_PARSE_SUCCESS ? PSYC_PARSE_ROUTING : ret;
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return ret == PSYC_PARSE_SUCCESS ? PSYC_PARSE_ROUTING : ret;
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}
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}
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else // not a glyph
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else // not a glyph
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@ -310,7 +310,7 @@ PSYC_ParseRC PSYC_parse(PSYC_ParseState* state, char* modifier, PSYC_Array* name
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if (isGlyph(state->buffer.ptr[state->cursor]))
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if (isGlyph(state->buffer.ptr[state->cursor]))
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{
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{
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pos = state->cursor;
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pos = state->cursor;
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ret = PSYC_parseVar(state, modifier, name, value);
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ret = PSYC_parseVar(state, operator, name, value);
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state->contentParsed += state->cursor - pos;
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state->contentParsed += state->cursor - pos;
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return ret == PSYC_PARSE_SUCCESS ? PSYC_PARSE_ENTITY : ret;
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return ret == PSYC_PARSE_SUCCESS ? PSYC_PARSE_ENTITY : ret;
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}
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}
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@ -46,14 +46,14 @@ void PSYC_parse(const uint8_t* data, unsigned int length,
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struct PSYC_Parser* pstate);
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struct PSYC_Parser* pstate);
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/** @brief FlagMod */
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/** @brief FlagMod */
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enum PSYC_Modifier
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enum PSYC_Operator
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{
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{
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// variable modifers
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// modifier operators
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ASSIGN=0x02,
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ASSIGN = 0x02,
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AUGMENT=0x04,
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AUGMENT = 0x04,
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DIMINISH=0x08,
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DIMINISH = 0x08,
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SET=0x10,
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SET = 0x10,
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QUERY=0x20
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QUERY = 0x20,
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};
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};
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struct PSYC_Parser
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struct PSYC_Parser
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@ -79,7 +79,7 @@ struct PSYC_Parser
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void (*stateCallback)(struct PSYC_Parser* pstate,
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void (*stateCallback)(struct PSYC_Parser* pstate,
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const uint8_t *name, const unsigned int nlength,
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const uint8_t *name, const unsigned int nlength,
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const uint8_t *value, const unsigned int vlength,
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const uint8_t *value, const unsigned int vlength,
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enum PSYC_Modifier modifiers, char inEntity);
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enum PSYC_Operator operators, char inEntity);
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/** @brief gets called after the routing-header was parsed
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/** @brief gets called after the routing-header was parsed
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*
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*
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@ -135,7 +135,7 @@ struct PSYC_Parser
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void (*errorStateCallback)(struct PSYC_Parser* pstate,
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void (*errorStateCallback)(struct PSYC_Parser* pstate,
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const uint8_t *name, const unsigned int nlength,
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const uint8_t *name, const unsigned int nlength,
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const uint8_t *value, const unsigned int vlength,
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const uint8_t *value, const unsigned int vlength,
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enum PSYC_Modifier modifiers);
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enum PSYC_Operator operators);
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/*******************************************
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/*******************************************
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@ -9,15 +9,15 @@ inline void PSYC_initRenderState (PSYC_RenderState* state)
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PSYC_RenderRC PSYC_renderVar(PSYC_RenderState* state,
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PSYC_RenderRC PSYC_renderVar(PSYC_RenderState* state,
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const char* name, size_t nlength,
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const char* name, size_t nlength,
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const char* value, size_t vlength,
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const char* value, size_t vlength,
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const PSYC_RenderFlag flags, char modifier)
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const PSYC_RenderFlag flags, char operator)
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{
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{
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size_t startc = state->cursor;
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size_t startc = state->cursor;
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unless (nlength) nlength = strlen(name);
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unless (nlength) nlength = strlen(name);
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// vlength 0 means an empty variable.. no cheating there
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// vlength 0 means an empty variable.. no cheating there
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unless (modifier) modifier = C_GLYPH_MODIFIER_SET;
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unless (operator) operator = C_GLYPH_OPERATOR_SET;
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state->buffer[state->cursor++] = modifier;
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state->buffer[state->cursor++] = operator;
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strncpy(&state->buffer[state->cursor], name, nlength);
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strncpy(&state->buffer[state->cursor], name, nlength);
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state->cursor += nlength;
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state->cursor += nlength;
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@ -7,7 +7,7 @@
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int main(int argc, char** argv)
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int main(int argc, char** argv)
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{
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{
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int index, ret;
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int index, ret;
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char buffer[2048], modifier;
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char buffer[2048], operator;
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PSYC_Array name, value, elem;
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PSYC_Array name, value, elem;
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PSYC_ParseState state;
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PSYC_ParseState state;
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PSYC_ParseListState listState;
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PSYC_ParseListState listState;
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@ -25,13 +25,13 @@ int main(int argc, char** argv)
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PSYC_nextParseBuffer(&state, PSYC_createArray(buffer, index));
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PSYC_nextParseBuffer(&state, PSYC_createArray(buffer, index));
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// try parsing that now
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// try parsing that now
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while ((ret = PSYC_parse(&state, &modifier, &name, &value)))
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while ((ret = PSYC_parse(&state, &operator, &name, &value)))
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{
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{
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switch (ret)
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switch (ret)
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{
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{
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case PSYC_PARSE_ROUTING:
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case PSYC_PARSE_ROUTING:
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case PSYC_PARSE_ENTITY:
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case PSYC_PARSE_ENTITY:
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write(1, &modifier, 1);
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write(1, &operator, 1);
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case PSYC_PARSE_BODY:
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case PSYC_PARSE_BODY:
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// printf("the string is '%.*s'\n", name);
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// printf("the string is '%.*s'\n", name);
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write(1, name.ptr, name.length);
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write(1, name.ptr, name.length);
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@ -24,8 +24,8 @@ int writePresence(const char *avail, int availlen, const char *desc, int desclen
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// the first call to PSYC_renderHeader() without PSYC_RENDER_ROUTING adds the
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// the first call to PSYC_renderHeader() without PSYC_RENDER_ROUTING adds the
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// extra newline to the buffer. later vars with PSYC_RENDER_ROUTING cause an error.
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// extra newline to the buffer. later vars with PSYC_RENDER_ROUTING cause an error.
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(void) PSYC_renderVar(pb, "_degree_availability", 0, avail, availlen, 0, C_GLYPH_MODIFIER_ASSIGN);
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(void) PSYC_renderVar(pb, "_degree_availability", 0, avail, availlen, 0, C_GLYPH_OPERATOR_ASSIGN);
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(void) PSYC_renderVar(pb, "_description_presence", 0, desc, desclen, 0, C_GLYPH_MODIFIER_ASSIGN);
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(void) PSYC_renderVar(pb, "_description_presence", 0, desc, desclen, 0, C_GLYPH_OPERATOR_ASSIGN);
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// presence is to be assigned permanently in distributed state
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// presence is to be assigned permanently in distributed state
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(void) PSYC_renderBody(pb, "_notice_presence", 0,
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(void) PSYC_renderBody(pb, "_notice_presence", 0,
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