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Overview
Comment:Added a recoverFlags element to the schema data structure and reworked the rewind flag int to be a recoverFlags flag. We will need more of them.
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SHA3-256: 02d5ffc9b5689a642cba9d48925e62e3d136565f01e5add729df37dee8b31595
User & Date: rolf 2020-03-19 01:09:01
Context
2020-03-19
02:15
Made the default recover behaviour at element end the same as for element start: skip and continue at the sibling of the current subtree. Closed-Leaf check-in: 0037ce9df3 user: rolf tags: wip
01:09
Added a recoverFlags element to the schema data structure and reworked the rewind flag int to be a recoverFlags flag. We will need more of them. check-in: 02d5ffc9b5 user: rolf tags: wip
2020-03-16
00:38
Save work. check-in: d70281b9c7 user: rolf tags: wip
Changes
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Changes to generic/schema.c. 

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    "INVALID_KEYREF",
    "UNKNOWN_ROOT_ELEMENT",
    "UNKOWN_GLOBAL_ID",
    "UNKOWN_ID",
    "INVALID_ATTRIBUTE_VALUE",
    "INVALID_VALUE"
};
    








/*----------------------------------------------------------------------------
|   domKeyConstraint related flage
|
\---------------------------------------------------------------------------*/

#define DKC_FLAG_IGNORE_EMPTY_FIELD_SET 1
#define DKC_FLAG_BOOLEAN 2
................................................................................
#define CHECK_EVAL                                                      \
    if (sdata->currentEvals) {                                          \
        SetResult ("This method is not allowed in nested evaluation");  \
        return TCL_ERROR;                                               \
    }

#define CHECK_REWIND                                                    \
    if (sdata->rewind) {                                                \
        rewindStack (sdata);                                            \
        sdata->rewind = 0;                                              \
    }                                                                   \

#define REMEMBER_PATTERN(pattern)                                       \
    if (sdata->numPatternList == sdata->patternListSize) {              \
        sdata->patternList = (SchemaCP **) REALLOC (                    \
            sdata->patternList,                                         \
            sizeof (SchemaCP*) * sdata->patternListSize * 2);           \
................................................................................
    if (hm && maxOne (cp->quants[ac])) {          \
        ac += + 1;                                \
        hm = 0;                                   \
    }                                             \


#define updateStack(sdata,cp,ac)                  \
    if (!sdata->rewind) {                         \
        se->activeChild = ac;                     \
        se->hasMatched = 1;                       \
    }                                             \
    
static SchemaCP*
initSchemaCP (
    Schema_CP_Type type,
................................................................................
    switch (errorType) {
    case MISSING_ELEMENT_MATCH_START:
    case UNEXPECTED_ELEMENT:
        finalizeElement (sdata, ac+1);
        sdata->skipDeep = 2;
        break;
    case UNEXPECTED_TEXT:
        sdata->rewind = 1;
        break;
    case DOM_KEYCONSTRAINT:
    case DOM_XPATH_BOOLEAN:
    case MISSING_ATTRIBUTE:
    case MISSING_ELEMENT_MATCH_END:
    case MISSING_TEXT_MATCH_START:
    case MISSING_TEXT_MATCH_END:
................................................................................
    Tcl_HashEntry *h;
    Tcl_HashSearch search;
    SchemaDocKey *dk;
    SchemaKeySpace *ks;

    while (sdata->stack) popStack (sdata);
    while (sdata->lastMatchse) popFromStack (sdata, &sdata->lastMatchse);
    sdata->rewind = 0;
    sdata->validationState = VALIDATION_READY;
    sdata->skipDeep = 0;
    sdata->evalError = 0;
    sdata->vaction = 0;
    sdata->vname = NULL;
    sdata->vns = NULL;
    sdata->vtext = NULL;








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    "INVALID_KEYREF",
    "UNKNOWN_ROOT_ELEMENT",
    "UNKOWN_GLOBAL_ID",
    "UNKOWN_ID",
    "INVALID_ATTRIBUTE_VALUE",
    "INVALID_VALUE"
};

/*----------------------------------------------------------------------------
|   Recover related flage
|
\---------------------------------------------------------------------------*/

#define RECOVER_FLAG_REWIND 1
#define RECOVER_FLAG_DONT_REPORT 2

/*----------------------------------------------------------------------------
|   domKeyConstraint related flage
|
\---------------------------------------------------------------------------*/

#define DKC_FLAG_IGNORE_EMPTY_FIELD_SET 1
#define DKC_FLAG_BOOLEAN 2
................................................................................
#define CHECK_EVAL                                                      \
    if (sdata->currentEvals) {                                          \
        SetResult ("This method is not allowed in nested evaluation");  \
        return TCL_ERROR;                                               \
    }

#define CHECK_REWIND                                                    \
    if (sdata->recoverFlags & RECOVER_FLAG_REWIND) {                    \
        rewindStack (sdata);                                            \
        sdata->recoverFlags &= ~RECOVER_FLAG_REWIND;                    \
    }                                                                   \

#define REMEMBER_PATTERN(pattern)                                       \
    if (sdata->numPatternList == sdata->patternListSize) {              \
        sdata->patternList = (SchemaCP **) REALLOC (                    \
            sdata->patternList,                                         \
            sizeof (SchemaCP*) * sdata->patternListSize * 2);           \
................................................................................
    if (hm && maxOne (cp->quants[ac])) {          \
        ac += + 1;                                \
        hm = 0;                                   \
    }                                             \


#define updateStack(sdata,cp,ac)                  \
    if (!(sdata->recoverFlags & RECOVER_FLAG_REWIND)) { \
        se->activeChild = ac;                     \
        se->hasMatched = 1;                       \
    }                                             \
    
static SchemaCP*
initSchemaCP (
    Schema_CP_Type type,
................................................................................
    switch (errorType) {
    case MISSING_ELEMENT_MATCH_START:
    case UNEXPECTED_ELEMENT:
        finalizeElement (sdata, ac+1);
        sdata->skipDeep = 2;
        break;
    case UNEXPECTED_TEXT:
        sdata->recoverFlags |= RECOVER_FLAG_REWIND;
        break;
    case DOM_KEYCONSTRAINT:
    case DOM_XPATH_BOOLEAN:
    case MISSING_ATTRIBUTE:
    case MISSING_ELEMENT_MATCH_END:
    case MISSING_TEXT_MATCH_START:
    case MISSING_TEXT_MATCH_END:
................................................................................
    Tcl_HashEntry *h;
    Tcl_HashSearch search;
    SchemaDocKey *dk;
    SchemaKeySpace *ks;

    while (sdata->stack) popStack (sdata);
    while (sdata->lastMatchse) popFromStack (sdata, &sdata->lastMatchse);
    sdata->recoverFlags = 0;
    sdata->validationState = VALIDATION_READY;
    sdata->skipDeep = 0;
    sdata->evalError = 0;
    sdata->vaction = 0;
    sdata->vname = NULL;
    sdata->vns = NULL;
    sdata->vtext = NULL;

Changes to generic/schema.h. 

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    SchemaQuant *quants;
    int       inuse;
    int       currentEvals;
    int       cleanupAfterUse;
    int       evalError;
    Tcl_Obj  *reportCmd;
    SchemaValidationStack *lastMatchse;
    int       rewind;
    Tcl_Obj **evalStub;
    Tcl_Obj **textStub;
    char *currentNamespace;
    int   defineToplevel;
    int   isTextConstraint;
    int   isAttributeConstaint;
    SchemaCP *cp;








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    SchemaQuant *quants;
    int       inuse;
    int       currentEvals;
    int       cleanupAfterUse;
    int       evalError;
    Tcl_Obj  *reportCmd;
    SchemaValidationStack *lastMatchse;
    int       recoverFlags;
    Tcl_Obj **evalStub;
    Tcl_Obj **textStub;
    char *currentNamespace;
    int   defineToplevel;
    int   isTextConstraint;
    int   isAttributeConstaint;
    SchemaCP *cp;

Changes to tests/schema.test. 

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    } {
        lappend result [s validate $xml]
    }
    s delete
    set result
} {}





test schema-18.18 {missing element at MATCH_ELEMENT_END} {
    set defs {
        {
            defelement doc {
                ref r1
            }
            defpattern r1 {
................................................................................
                element b ! {}
            }
        }
    }
    set result [list]
    foreach def $defs {
        tdom::schema s
        s reportcmd appendtoresult
        s define $def
        lappend result [s validate {<doc/>}]
        s delete
    }
    set result
} {}









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    } {
        lappend result [s validate $xml]
    }
    s delete
    set result
} {}

proc schema-18.18 {scmd errortype} {
    lappend ::result $errortype
    lappend ::result [$scmd info expected]
}
test schema-18.18 {missing element at MATCH_ELEMENT_END} {
    set defs {
        {
            defelement doc {
                ref r1
            }
            defpattern r1 {
................................................................................
                element b ! {}
            }
        }
    }
    set result [list]
    foreach def $defs {
        tdom::schema s
        s reportcmd schema-18.18
        s define $def
        lappend result [s validate {<doc/>}]
        s delete
    }
    set result
} {}

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