| /* |
| * schemastypes.c : implementation of the XML Schema Datatypes |
| * definition and validity checking |
| * |
| * See Copyright for the status of this software. |
| * |
| * Daniel Veillard <veillard@redhat.com> |
| */ |
| |
| #define IN_LIBXML |
| #include "libxml.h" |
| |
| #ifdef LIBXML_SCHEMAS_ENABLED |
| |
| #include <string.h> |
| #include <libxml/xmlmemory.h> |
| #include <libxml/parser.h> |
| #include <libxml/parserInternals.h> |
| #include <libxml/hash.h> |
| #include <libxml/valid.h> |
| |
| #include <libxml/xmlschemas.h> |
| #include <libxml/schemasInternals.h> |
| #include <libxml/xmlschemastypes.h> |
| |
| #ifdef HAVE_MATH_H |
| #include <math.h> |
| #endif |
| |
| #define DEBUG |
| |
| #define TODO \ |
| xmlGenericError(xmlGenericErrorContext, \ |
| "Unimplemented block at %s:%d\n", \ |
| __FILE__, __LINE__); |
| |
| #define XML_SCHEMAS_NAMESPACE_NAME \ |
| (const xmlChar *)"http://www.w3.org/2001/XMLSchema" |
| |
| typedef enum { |
| XML_SCHEMAS_UNKNOWN = 0, |
| XML_SCHEMAS_STRING, |
| XML_SCHEMAS_NMTOKEN, |
| XML_SCHEMAS_DECIMAL, |
| XML_SCHEMAS_TIME, |
| XML_SCHEMAS_GDAY, |
| XML_SCHEMAS_GMONTH, |
| XML_SCHEMAS_GMONTHDAY, |
| XML_SCHEMAS_GYEAR, |
| XML_SCHEMAS_GYEARMONTH, |
| XML_SCHEMAS_DATE, |
| XML_SCHEMAS_DATETIME, |
| XML_SCHEMAS_DURATION, |
| XML_SCHEMAS_, |
| XML_SCHEMAS_XXX |
| } xmlSchemaValType; |
| |
| unsigned long powten[10] = { |
| 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000L, |
| 100000000L, 1000000000L |
| }; |
| |
| /* Date value */ |
| typedef struct _xmlSchemaValDate xmlSchemaValDate; |
| typedef xmlSchemaValDate *xmlSchemaValDatePtr; |
| struct _xmlSchemaValDate { |
| long year; |
| unsigned int mon :4; /* 1 <= mon <= 12 */ |
| unsigned int day :5; /* 1 <= day <= 31 */ |
| unsigned int hour :5; /* 0 <= hour <= 23 */ |
| unsigned int min :6; /* 0 <= min <= 59 */ |
| double sec; |
| int tz_flag :1; /* is tzo explicitely set? */ |
| int tzo :11; /* -1440 <= tzo <= 1440 */ |
| }; |
| |
| /* Duration value */ |
| typedef struct _xmlSchemaValDuration xmlSchemaValDuration; |
| typedef xmlSchemaValDuration *xmlSchemaValDurationPtr; |
| struct _xmlSchemaValDuration { |
| long mon; /* mon stores years also */ |
| long day; |
| double sec; /* sec stores min and hour also */ |
| }; |
| |
| typedef struct _xmlSchemaValDecimal xmlSchemaValDecimal; |
| typedef xmlSchemaValDecimal *xmlSchemaValDecimalPtr; |
| struct _xmlSchemaValDecimal { |
| /* would use long long but not portable */ |
| unsigned long base; |
| unsigned int extra; |
| unsigned int sign:1; |
| int frac:7; |
| int total:8; |
| }; |
| |
| struct _xmlSchemaVal { |
| xmlSchemaValType type; |
| union { |
| xmlSchemaValDecimal decimal; |
| xmlSchemaValDate date; |
| xmlSchemaValDuration dur; |
| } value; |
| }; |
| |
| static int xmlSchemaTypesInitialized = 0; |
| static xmlHashTablePtr xmlSchemaTypesBank = NULL; |
| |
| static xmlSchemaTypePtr xmlSchemaTypeStringDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeAnyTypeDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeAnySimpleTypeDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeDecimalDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeDatetimeDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeDateDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeTimeDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeGYearDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeGYearMonthDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeGDayDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeGMonthDayDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeGMonthDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeDurationDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypePositiveIntegerDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeNonNegativeIntegerDef = NULL; |
| static xmlSchemaTypePtr xmlSchemaTypeNmtoken = NULL; |
| |
| /* |
| * xmlSchemaInitBasicType: |
| * @name: the type name |
| * |
| * Initialize one default type |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaInitBasicType(const char *name) { |
| xmlSchemaTypePtr ret; |
| |
| ret = (xmlSchemaTypePtr) xmlMalloc(sizeof(xmlSchemaType)); |
| if (ret == NULL) { |
| xmlGenericError(xmlGenericErrorContext, |
| "Could not initilize type %s: out of memory\n", name); |
| return(NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaType)); |
| ret->name = xmlStrdup((const xmlChar *)name); |
| ret->type = XML_SCHEMA_TYPE_BASIC; |
| ret->contentType = XML_SCHEMA_CONTENT_BASIC; |
| xmlHashAddEntry2(xmlSchemaTypesBank, ret->name, |
| XML_SCHEMAS_NAMESPACE_NAME, ret); |
| return(ret); |
| } |
| |
| /* |
| * xmlSchemaInitTypes: |
| * |
| * Initialize the default XML Schemas type library |
| */ |
| void |
| xmlSchemaInitTypes(void) { |
| if (xmlSchemaTypesInitialized != 0) |
| return; |
| xmlSchemaTypesBank = xmlHashCreate(40); |
| |
| xmlSchemaTypeStringDef = xmlSchemaInitBasicType("string"); |
| xmlSchemaTypeAnyTypeDef = xmlSchemaInitBasicType("anyType"); |
| xmlSchemaTypeAnySimpleTypeDef = xmlSchemaInitBasicType("anySimpleType"); |
| xmlSchemaTypeDecimalDef = xmlSchemaInitBasicType("decimal"); |
| xmlSchemaTypeDateDef = xmlSchemaInitBasicType("date"); |
| xmlSchemaTypeDatetimeDef = xmlSchemaInitBasicType("dateTime"); |
| xmlSchemaTypeTimeDef = xmlSchemaInitBasicType("time"); |
| xmlSchemaTypeGYearDef = xmlSchemaInitBasicType("gYear"); |
| xmlSchemaTypeGYearMonthDef = xmlSchemaInitBasicType("gYearMonth"); |
| xmlSchemaTypeGMonthDef = xmlSchemaInitBasicType("gMonth"); |
| xmlSchemaTypeGMonthDayDef = xmlSchemaInitBasicType("gMonthDay"); |
| xmlSchemaTypeGDayDef = xmlSchemaInitBasicType("gDay"); |
| xmlSchemaTypeDurationDef = xmlSchemaInitBasicType("duration"); |
| xmlSchemaTypePositiveIntegerDef = xmlSchemaInitBasicType("positiveInteger"); |
| xmlSchemaTypeNonNegativeIntegerDef = |
| xmlSchemaInitBasicType("nonNegativeInteger"); |
| xmlSchemaTypeNmtoken = xmlSchemaInitBasicType("NMTOKEN"); |
| |
| xmlSchemaTypesInitialized = 1; |
| } |
| |
| /** |
| * xmlSchemaCleanupTypes: |
| * |
| * Cleanup the default XML Schemas type library |
| */ |
| void |
| xmlSchemaCleanupTypes(void) { |
| if (xmlSchemaTypesInitialized == 0) |
| return; |
| xmlHashFree(xmlSchemaTypesBank, (xmlHashDeallocator) xmlSchemaFreeType); |
| xmlSchemaTypesInitialized = 0; |
| } |
| |
| /** |
| * xmlSchemaNewValue: |
| * @type: the value type |
| * |
| * Allocate a new simple type value |
| * |
| * Returns a pointer to the new value or NULL in case of error |
| */ |
| static xmlSchemaValPtr |
| xmlSchemaNewValue(xmlSchemaValType type) { |
| xmlSchemaValPtr value; |
| |
| value = (xmlSchemaValPtr) xmlMalloc(sizeof(xmlSchemaVal)); |
| if (value == NULL) { |
| return(NULL); |
| } |
| memset(value, 0, sizeof(xmlSchemaVal)); |
| value->type = type; |
| return(value); |
| } |
| |
| /** |
| * xmlSchemaFreeValue: |
| * @value: the value to free |
| * |
| * Cleanup the default XML Schemas type library |
| */ |
| void |
| xmlSchemaFreeValue(xmlSchemaValPtr value) { |
| if (value == NULL) |
| return; |
| xmlFree(value); |
| } |
| |
| /** |
| * xmlSchemaGetPredefinedType: |
| * @name: the type name |
| * @ns: the URI of the namespace usually "http://www.w3.org/2001/XMLSchema" |
| * |
| * Lookup a type in the default XML Schemas type library |
| * |
| * Returns the type if found, NULL otherwise |
| */ |
| xmlSchemaTypePtr |
| xmlSchemaGetPredefinedType(const xmlChar *name, const xmlChar *ns) { |
| if (xmlSchemaTypesInitialized == 0) |
| xmlSchemaInitTypes(); |
| if (name == NULL) |
| return(NULL); |
| return((xmlSchemaTypePtr) xmlHashLookup2(xmlSchemaTypesBank, name, ns)); |
| } |
| |
| /**************************************************************** |
| * * |
| * Convenience macros and functions * |
| * * |
| ****************************************************************/ |
| |
| #define IS_TZO_CHAR(c) \ |
| ((c == 0) || (c == 'Z') || (c == '+') || (c == '-')) |
| |
| #define VALID_YEAR(yr) (yr != 0) |
| #define VALID_MONTH(mon) ((mon >= 1) && (mon <= 12)) |
| /* VALID_DAY should only be used when month is unknown */ |
| #define VALID_DAY(day) ((day >= 1) && (day <= 31)) |
| #define VALID_HOUR(hr) ((hr >= 0) && (hr <= 23)) |
| #define VALID_MIN(min) ((min >= 0) && (min <= 59)) |
| #define VALID_SEC(sec) ((sec >= 0) && (sec < 60)) |
| #define VALID_TZO(tzo) ((tzo > -1440) && (tzo < 1440)) |
| #define IS_LEAP(y) \ |
| (((y % 4 == 0) && (y % 100 != 0)) || (y % 400 == 0)) |
| |
| static const long daysInMonth[12] = |
| { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; |
| static const long daysInMonthLeap[12] = |
| { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; |
| |
| #define MAX_DAYINMONTH(yr,mon) \ |
| (IS_LEAP(yr) ? daysInMonthLeap[mon - 1] : daysInMonth[mon - 1]) |
| |
| #define VALID_MDAY(dt) \ |
| (IS_LEAP(dt->year) ? \ |
| (dt->day <= daysInMonthLeap[dt->mon - 1]) : \ |
| (dt->day <= daysInMonth[dt->mon - 1])) |
| |
| #define VALID_DATE(dt) \ |
| (VALID_YEAR(dt->year) && VALID_MONTH(dt->mon) && VALID_MDAY(dt)) |
| |
| #define VALID_TIME(dt) \ |
| (VALID_HOUR(dt->hour) && VALID_MIN(dt->min) && \ |
| VALID_SEC(dt->sec) && VALID_TZO(dt->tzo)) |
| |
| #define VALID_DATETIME(dt) \ |
| (VALID_DATE(dt) && VALID_TIME(dt)) |
| |
| #define SECS_PER_MIN (60) |
| #define SECS_PER_HOUR (60 * SECS_PER_MIN) |
| #define SECS_PER_DAY (24 * SECS_PER_HOUR) |
| |
| static const long dayInYearByMonth[12] = |
| { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 }; |
| static const long dayInLeapYearByMonth[12] = |
| { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 }; |
| |
| #define DAY_IN_YEAR(day, month, year) \ |
| ((IS_LEAP(year) ? \ |
| dayInLeapYearByMonth[month - 1] : \ |
| dayInYearByMonth[month - 1]) + day) |
| |
| #ifdef DEBUG |
| #define DEBUG_DATE(dt) \ |
| xmlGenericError(xmlGenericErrorContext, \ |
| "type=%o %04ld-%02u-%02uT%02u:%02u:%03f", \ |
| dt->type,dt->value.date.year,dt->value.date.mon, \ |
| dt->value.date.day,dt->value.date.hour,dt->value.date.min, \ |
| dt->value.date.sec); \ |
| if (dt->value.date.tz_flag) \ |
| if (dt->value.date.tzo != 0) \ |
| xmlGenericError(xmlGenericErrorContext, \ |
| "%+05d\n",dt->value.date.tzo); \ |
| else \ |
| xmlGenericError(xmlGenericErrorContext, "Z\n"); \ |
| else \ |
| xmlGenericError(xmlGenericErrorContext,"\n") |
| #else |
| #define DEBUG_DATE(dt) |
| #endif |
| |
| /** |
| * _xmlSchemaParseGYear: |
| * @dt: pointer to a date structure |
| * @str: pointer to the string to analyze |
| * |
| * Parses a xs:gYear without time zone and fills in the appropriate |
| * field of the @dt structure. @str is updated to point just after the |
| * xs:gYear. It is supposed that @dt->year is big enough to contain |
| * the year. |
| * |
| * Returns 0 or the error code |
| */ |
| static int |
| _xmlSchemaParseGYear (xmlSchemaValDatePtr dt, const xmlChar **str) { |
| const xmlChar *cur = *str, *firstChar; |
| int isneg = 0, digcnt = 0; |
| |
| if (((*cur < '0') || (*cur > '9')) && |
| (*cur != '-') && (*cur != '+')) |
| return -1; |
| |
| if (*cur == '-') { |
| isneg = 1; |
| cur++; |
| } |
| |
| firstChar = cur; |
| |
| while ((*cur >= '0') && (*cur <= '9')) { |
| dt->year = dt->year * 10 + (*cur - '0'); |
| cur++; |
| digcnt++; |
| } |
| |
| /* year must be at least 4 digits (CCYY); over 4 |
| * digits cannot have a leading zero. */ |
| if ((digcnt < 4) || ((digcnt > 4) && (*firstChar == '0'))) |
| return 1; |
| |
| if (isneg) |
| dt->year = - dt->year; |
| |
| if (!VALID_YEAR(dt->year)) |
| return 2; |
| |
| *str = cur; |
| return 0; |
| } |
| |
| /** |
| * PARSE_2_DIGITS: |
| * @num: the integer to fill in |
| * @cur: an #xmlChar * |
| * @invalid: an integer |
| * |
| * Parses a 2-digits integer and updates @num with the value. @cur is |
| * updated to point just after the integer. |
| * In case of error, @invalid is set to %TRUE, values of @num and |
| * @cur are undefined. |
| */ |
| #define PARSE_2_DIGITS(num, cur, invalid) \ |
| if ((cur[0] < '0') || (cur[0] > '9') || \ |
| (cur[1] < '0') || (cur[1] > '9')) \ |
| invalid = 1; \ |
| else \ |
| num = (cur[0] - '0') * 10 + (cur[1] - '0'); \ |
| cur += 2; |
| |
| /** |
| * PARSE_FLOAT: |
| * @num: the double to fill in |
| * @cur: an #xmlChar * |
| * @invalid: an integer |
| * |
| * Parses a float and updates @num with the value. @cur is |
| * updated to point just after the float. The float must have a |
| * 2-digits integer part and may or may not have a decimal part. |
| * In case of error, @invalid is set to %TRUE, values of @num and |
| * @cur are undefined. |
| */ |
| #define PARSE_FLOAT(num, cur, invalid) \ |
| PARSE_2_DIGITS(num, cur, invalid); \ |
| if (!invalid && (*cur == '.')) { \ |
| double mult = 1; \ |
| cur++; \ |
| if ((*cur < '0') || (*cur > '9')) \ |
| invalid = 1; \ |
| while ((*cur >= '0') && (*cur <= '9')) { \ |
| mult /= 10; \ |
| num += (*cur - '0') * mult; \ |
| cur++; \ |
| } \ |
| } |
| |
| /** |
| * _xmlSchemaParseGMonth: |
| * @dt: pointer to a date structure |
| * @str: pointer to the string to analyze |
| * |
| * Parses a xs:gMonth without time zone and fills in the appropriate |
| * field of the @dt structure. @str is updated to point just after the |
| * xs:gMonth. |
| * |
| * Returns 0 or the error code |
| */ |
| static int |
| _xmlSchemaParseGMonth (xmlSchemaValDatePtr dt, const xmlChar **str) { |
| const xmlChar *cur = *str; |
| int ret = 0; |
| |
| PARSE_2_DIGITS(dt->mon, cur, ret); |
| if (ret != 0) |
| return ret; |
| |
| if (!VALID_MONTH(dt->mon)) |
| return 2; |
| |
| *str = cur; |
| return 0; |
| } |
| |
| /** |
| * _xmlSchemaParseGDay: |
| * @dt: pointer to a date structure |
| * @str: pointer to the string to analyze |
| * |
| * Parses a xs:gDay without time zone and fills in the appropriate |
| * field of the @dt structure. @str is updated to point just after the |
| * xs:gDay. |
| * |
| * Returns 0 or the error code |
| */ |
| static int |
| _xmlSchemaParseGDay (xmlSchemaValDatePtr dt, const xmlChar **str) { |
| const xmlChar *cur = *str; |
| int ret = 0; |
| |
| PARSE_2_DIGITS(dt->day, cur, ret); |
| if (ret != 0) |
| return ret; |
| |
| if (!VALID_DAY(dt->day)) |
| return 2; |
| |
| *str = cur; |
| return 0; |
| } |
| |
| /** |
| * _xmlSchemaParseTime: |
| * @dt: pointer to a date structure |
| * @str: pointer to the string to analyze |
| * |
| * Parses a xs:time without time zone and fills in the appropriate |
| * fields of the @dt structure. @str is updated to point just after the |
| * xs:time. |
| * In case of error, values of @dt fields are undefined. |
| * |
| * Returns 0 or the error code |
| */ |
| static int |
| _xmlSchemaParseTime (xmlSchemaValDatePtr dt, const xmlChar **str) { |
| const xmlChar *cur = *str; |
| unsigned int hour = 0; /* use temp var in case str is not xs:time */ |
| int ret = 0; |
| |
| PARSE_2_DIGITS(hour, cur, ret); |
| if (ret != 0) |
| return ret; |
| |
| if (*cur != ':') |
| return 1; |
| cur++; |
| |
| /* the ':' insures this string is xs:time */ |
| dt->hour = hour; |
| |
| PARSE_2_DIGITS(dt->min, cur, ret); |
| if (ret != 0) |
| return ret; |
| |
| if (*cur != ':') |
| return 1; |
| cur++; |
| |
| PARSE_FLOAT(dt->sec, cur, ret); |
| if (ret != 0) |
| return ret; |
| |
| if (!VALID_TIME(dt)) |
| return 2; |
| |
| *str = cur; |
| return 0; |
| } |
| |
| /** |
| * _xmlSchemaParseTimeZone: |
| * @dt: pointer to a date structure |
| * @str: pointer to the string to analyze |
| * |
| * Parses a time zone without time zone and fills in the appropriate |
| * field of the @dt structure. @str is updated to point just after the |
| * time zone. |
| * |
| * Returns 0 or the error code |
| */ |
| static int |
| _xmlSchemaParseTimeZone (xmlSchemaValDatePtr dt, const xmlChar **str) { |
| const xmlChar *cur = *str; |
| int ret = 0; |
| |
| if (str == NULL) |
| return -1; |
| |
| switch (*cur) { |
| case 0: |
| dt->tz_flag = 0; |
| dt->tzo = 0; |
| break; |
| |
| case 'Z': |
| dt->tz_flag = 1; |
| dt->tzo = 0; |
| cur++; |
| break; |
| |
| case '+': |
| case '-': { |
| int isneg = 0, tmp = 0; |
| isneg = (*cur == '-'); |
| |
| cur++; |
| |
| PARSE_2_DIGITS(tmp, cur, ret); |
| if (ret != 0) |
| return ret; |
| if (!VALID_HOUR(tmp)) |
| return 2; |
| |
| if (*cur != ':') |
| return 1; |
| cur++; |
| |
| dt->tzo = tmp * 60; |
| |
| PARSE_2_DIGITS(tmp, cur, ret); |
| if (ret != 0) |
| return ret; |
| if (!VALID_MIN(tmp)) |
| return 2; |
| |
| dt->tzo += tmp; |
| if (isneg) |
| dt->tzo = - dt->tzo; |
| |
| if (!VALID_TZO(dt->tzo)) |
| return 2; |
| |
| dt->tz_flag = 1; |
| break; |
| } |
| default: |
| return 1; |
| } |
| |
| *str = cur; |
| return 0; |
| } |
| |
| /**************************************************************** |
| * * |
| * XML Schema Dates/Times Datatypes Handling * |
| * * |
| ****************************************************************/ |
| |
| /** |
| * PARSE_DIGITS: |
| * @num: the integer to fill in |
| * @cur: an #xmlChar * |
| * @num_type: an integer flag |
| * |
| * Parses a digits integer and updates @num with the value. @cur is |
| * updated to point just after the integer. |
| * In case of error, @num_type is set to -1, values of @num and |
| * @cur are undefined. |
| */ |
| #define PARSE_DIGITS(num, cur, num_type) \ |
| if ((*cur < '0') || (*cur > '9')) \ |
| num_type = -1; \ |
| else \ |
| while ((*cur >= '0') && (*cur <= '9')) { \ |
| num = num * 10 + (*cur - '0'); \ |
| cur++; \ |
| } |
| |
| /** |
| * PARSE_NUM: |
| * @num: the double to fill in |
| * @cur: an #xmlChar * |
| * @num_type: an integer flag |
| * |
| * Parses a float or integer and updates @num with the value. @cur is |
| * updated to point just after the number. If the number is a float, |
| * then it must have an integer part and a decimal part; @num_type will |
| * be set to 1. If there is no decimal part, @num_type is set to zero. |
| * In case of error, @num_type is set to -1, values of @num and |
| * @cur are undefined. |
| */ |
| #define PARSE_NUM(num, cur, num_type) \ |
| num = 0; \ |
| PARSE_DIGITS(num, cur, num_type); \ |
| if (!num_type && (*cur == '.')) { \ |
| double mult = 1; \ |
| cur++; \ |
| if ((*cur < '0') || (*cur > '9')) \ |
| num_type = -1; \ |
| else \ |
| num_type = 1; \ |
| while ((*cur >= '0') && (*cur <= '9')) { \ |
| mult /= 10; \ |
| num += (*cur - '0') * mult; \ |
| cur++; \ |
| } \ |
| } |
| |
| /** |
| * xmlSchemaValidateDates: |
| * @type: the predefined type |
| * @dateTime: string to analyze |
| * @val: the return computed value |
| * |
| * Check that @dateTime conforms to the lexical space of one of the date types. |
| * if true a value is computed and returned in @val. |
| * |
| * Returns 0 if this validates, a positive error code number otherwise |
| * and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateDates (xmlSchemaTypePtr type, const xmlChar *dateTime, |
| xmlSchemaValPtr *val) { |
| xmlSchemaValPtr dt; |
| int ret; |
| const xmlChar *cur = dateTime; |
| |
| #define RETURN_TYPE_IF_VALID(t) \ |
| if (IS_TZO_CHAR(*cur)) { \ |
| ret = _xmlSchemaParseTimeZone(&(dt->value.date), &cur); \ |
| if (ret == 0) { \ |
| if (*cur != 0) \ |
| goto error; \ |
| dt->type = t; \ |
| if (val != NULL) \ |
| *val = dt; \ |
| return 0; \ |
| } \ |
| } |
| |
| if (dateTime == NULL) |
| return -1; |
| |
| if ((*cur != '-') && (*cur < '0') && (*cur > '9')) |
| return 1; |
| |
| dt = xmlSchemaNewValue(XML_SCHEMAS_UNKNOWN); |
| if (dt == NULL) |
| return -1; |
| |
| if ((cur[0] == '-') && (cur[1] == '-')) { |
| /* |
| * It's an incomplete date (xs:gMonthDay, xs:gMonth or |
| * xs:gDay) |
| */ |
| cur += 2; |
| |
| /* is it an xs:gDay? */ |
| if (*cur == '-') { |
| ++cur; |
| ret = _xmlSchemaParseGDay(&(dt->value.date), &cur); |
| if (ret != 0) |
| goto error; |
| |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_GDAY); |
| |
| goto error; |
| } |
| |
| /* |
| * it should be an xs:gMonthDay or xs:gMonth |
| */ |
| ret = _xmlSchemaParseGMonth(&(dt->value.date), &cur); |
| if (ret != 0) |
| goto error; |
| |
| if (*cur != '-') |
| goto error; |
| cur++; |
| |
| /* is it an xs:gMonth? */ |
| if (*cur == '-') { |
| cur++; |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_GMONTH); |
| goto error; |
| } |
| |
| /* it should be an xs:gMonthDay */ |
| ret = _xmlSchemaParseGDay(&(dt->value.date), &cur); |
| if (ret != 0) |
| goto error; |
| |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_GMONTHDAY); |
| |
| goto error; |
| } |
| |
| /* |
| * It's a right-truncated date or an xs:time. |
| * Try to parse an xs:time then fallback on right-truncated dates. |
| */ |
| if ((*cur >= '0') && (*cur <= '9')) { |
| ret = _xmlSchemaParseTime(&(dt->value.date), &cur); |
| if (ret == 0) { |
| /* it's an xs:time */ |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_TIME); |
| } |
| } |
| |
| /* fallback on date parsing */ |
| cur = dateTime; |
| |
| ret = _xmlSchemaParseGYear(&(dt->value.date), &cur); |
| if (ret != 0) |
| goto error; |
| |
| /* is it an xs:gYear? */ |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_GYEAR); |
| |
| if (*cur != '-') |
| goto error; |
| cur++; |
| |
| ret = _xmlSchemaParseGMonth(&(dt->value.date), &cur); |
| if (ret != 0) |
| goto error; |
| |
| /* is it an xs:gYearMonth? */ |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_GYEARMONTH); |
| |
| if (*cur != '-') |
| goto error; |
| cur++; |
| |
| ret = _xmlSchemaParseGDay(&(dt->value.date), &cur); |
| if ((ret != 0) || !VALID_DATE((&(dt->value.date)))) |
| goto error; |
| |
| /* is it an xs:date? */ |
| RETURN_TYPE_IF_VALID(XML_SCHEMAS_DATE); |
| |
| if (*cur != 'T') |
| goto error; |
| cur++; |
| |
| /* it should be an xs:dateTime */ |
| ret = _xmlSchemaParseTime(&(dt->value.date), &cur); |
| if (ret != 0) |
| goto error; |
| |
| ret = _xmlSchemaParseTimeZone(&(dt->value.date), &cur); |
| if ((ret != 0) || (*cur != 0) || !VALID_DATETIME((&(dt->value.date)))) |
| goto error; |
| |
| dt->type = XML_SCHEMAS_DATETIME; |
| |
| if (val != NULL) |
| *val = dt; |
| |
| return 0; |
| |
| error: |
| if (dt != NULL) |
| xmlSchemaFreeValue(dt); |
| return 1; |
| } |
| |
| /** |
| * xmlSchemaValidateDuration: |
| * @type: the predefined type |
| * @duration: string to analyze |
| * @val: the return computed value |
| * |
| * Check that @duration conforms to the lexical space of the duration type. |
| * if true a value is computed and returned in @val. |
| * |
| * Returns 0 if this validates, a positive error code number otherwise |
| * and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateDuration (xmlSchemaTypePtr type, const xmlChar *duration, |
| xmlSchemaValPtr *val) { |
| const xmlChar *cur = duration; |
| xmlSchemaValPtr dur; |
| int isneg = 0; |
| unsigned int seq = 0; |
| |
| if (duration == NULL) |
| return -1; |
| |
| if (*cur == '-') { |
| isneg = 1; |
| cur++; |
| } |
| |
| /* duration must start with 'P' (after sign) */ |
| if (*cur++ != 'P') |
| return 1; |
| |
| dur = xmlSchemaNewValue(XML_SCHEMAS_DURATION); |
| if (dur == NULL) |
| return -1; |
| |
| while (*cur != 0) { |
| double num; |
| int num_type = 0; /* -1 = invalid, 0 = int, 1 = floating */ |
| const xmlChar desig[] = {'Y', 'M', 'D', 'H', 'M', 'S'}; |
| const double multi[] = { 0.0, 0.0, 86400.0, 3600.0, 60.0, 1.0, 0.0}; |
| |
| /* input string should be empty or invalid date/time item */ |
| if (seq >= sizeof(desig)) |
| goto error; |
| |
| /* T designator must be present for time items */ |
| if (*cur == 'T') { |
| if (seq <= 3) { |
| seq = 3; |
| cur++; |
| } else |
| return 1; |
| } else if (seq == 3) |
| goto error; |
| |
| /* parse the number portion of the item */ |
| PARSE_NUM(num, cur, num_type); |
| |
| if ((num_type == -1) || (*cur == 0)) |
| goto error; |
| |
| /* update duration based on item type */ |
| while (seq < sizeof(desig)) { |
| if (*cur == desig[seq]) { |
| |
| /* verify numeric type; only seconds can be float */ |
| if ((num_type != 0) && (seq < (sizeof(desig)-1))) |
| goto error; |
| |
| switch (seq) { |
| case 0: |
| dur->value.dur.mon = (long)num * 12; |
| break; |
| case 1: |
| dur->value.dur.mon += (long)num; |
| break; |
| default: |
| /* convert to seconds using multiplier */ |
| dur->value.dur.sec += num * multi[seq]; |
| seq++; |
| break; |
| } |
| |
| break; /* exit loop */ |
| } |
| /* no date designators found? */ |
| if (++seq == 3) |
| goto error; |
| } |
| cur++; |
| } |
| |
| if (isneg) { |
| dur->value.dur.mon = -dur->value.dur.mon; |
| dur->value.dur.day = -dur->value.dur.day; |
| dur->value.dur.sec = -dur->value.dur.sec; |
| } |
| |
| if (val != NULL) |
| *val = dur; |
| |
| return 0; |
| |
| error: |
| if (dur != NULL) |
| xmlSchemaFreeValue(dur); |
| return 1; |
| } |
| |
| /** |
| * xmlSchemaValidatePredefinedType: |
| * @type: the predefined type |
| * @value: the value to check |
| * @val: the return computed value |
| * |
| * Check that a value conforms to the lexical space of the predefined type. |
| * if true a value is computed and returned in @val. |
| * |
| * Returns 0 if this validates, a positive error code number otherwise |
| * and -1 in case of internal or API error. |
| */ |
| int |
| xmlSchemaValidatePredefinedType(xmlSchemaTypePtr type, const xmlChar *value, |
| xmlSchemaValPtr *val) { |
| xmlSchemaValPtr v; |
| |
| if (xmlSchemaTypesInitialized == 0) |
| return(-1); |
| if (type == NULL) |
| return(-1); |
| |
| if (val != NULL) |
| *val = NULL; |
| if (type == xmlSchemaTypeStringDef) { |
| return(0); |
| } else if (type == xmlSchemaTypeAnyTypeDef) { |
| return(0); |
| } else if (type == xmlSchemaTypeAnySimpleTypeDef) { |
| return(0); |
| } else if (type == xmlSchemaTypeNmtoken) { |
| if (xmlValidateNmtokenValue(value)) |
| return(0); |
| return(1); |
| } else if (type == xmlSchemaTypeDecimalDef) { |
| const xmlChar *cur = value, *tmp; |
| int frac = 0, len, neg = 0; |
| unsigned long base = 0; |
| if (cur == NULL) |
| return(1); |
| if (*cur == '+') |
| cur++; |
| else if (*cur == '-') { |
| neg = 1; |
| cur++; |
| } |
| tmp = cur; |
| while ((*cur >= '0') && (*cur <= '9')) { |
| base = base * 10 + (*cur - '0'); |
| cur++; |
| } |
| len = cur - tmp; |
| if (*cur == '.') { |
| cur++; |
| tmp = cur; |
| while ((*cur >= '0') && (*cur <= '9')) { |
| base = base * 10 + (*cur - '0'); |
| cur++; |
| } |
| frac = cur - tmp; |
| } |
| if (*cur != 0) |
| return(1); |
| if (val != NULL) { |
| v = xmlSchemaNewValue(XML_SCHEMAS_DECIMAL); |
| if (v != NULL) { |
| v->value.decimal.base = base; |
| v->value.decimal.sign = neg; |
| v->value.decimal.frac = frac; |
| v->value.decimal.total = frac + len; |
| *val = v; |
| } |
| } |
| return(0); |
| } else if (type == xmlSchemaTypeDurationDef) { |
| return xmlSchemaValidateDuration(type, value, val); |
| } else if ((type == xmlSchemaTypeDatetimeDef) || |
| (type == xmlSchemaTypeTimeDef) || |
| (type == xmlSchemaTypeDateDef) || |
| (type == xmlSchemaTypeGYearDef) || |
| (type == xmlSchemaTypeGYearMonthDef) || |
| (type == xmlSchemaTypeGMonthDef) || |
| (type == xmlSchemaTypeGMonthDayDef) || |
| (type == xmlSchemaTypeGDayDef)) { |
| return xmlSchemaValidateDates(type, value, val); |
| } else if (type == xmlSchemaTypePositiveIntegerDef) { |
| const xmlChar *cur = value; |
| unsigned long base = 0; |
| int total = 0; |
| if (cur == NULL) |
| return(1); |
| if (*cur == '+') |
| cur++; |
| while ((*cur >= '0') && (*cur <= '9')) { |
| base = base * 10 + (*cur - '0'); |
| total++; |
| cur++; |
| } |
| if (*cur != 0) |
| return(1); |
| if (val != NULL) { |
| v = xmlSchemaNewValue(XML_SCHEMAS_DECIMAL); |
| if (v != NULL) { |
| v->value.decimal.base = base; |
| v->value.decimal.sign = 0; |
| v->value.decimal.frac = 0; |
| v->value.decimal.total = total; |
| *val = v; |
| } |
| } |
| return(0); |
| } else if (type == xmlSchemaTypeNonNegativeIntegerDef) { |
| const xmlChar *cur = value; |
| unsigned long base = 0; |
| int total = 0; |
| int sign = 0; |
| if (cur == NULL) |
| return(1); |
| if (*cur == '-') { |
| sign = 1; |
| cur++; |
| } else if (*cur == '+') |
| cur++; |
| while ((*cur >= '0') && (*cur <= '9')) { |
| base = base * 10 + (*cur - '0'); |
| total++; |
| cur++; |
| } |
| if (*cur != 0) |
| return(1); |
| if ((sign == 1) && (base != 0)) |
| return(1); |
| if (val != NULL) { |
| v = xmlSchemaNewValue(XML_SCHEMAS_DECIMAL); |
| if (v != NULL) { |
| v->value.decimal.base = base; |
| v->value.decimal.sign = 0; |
| v->value.decimal.frac = 0; |
| v->value.decimal.total = total; |
| *val = v; |
| } |
| } |
| return(0); |
| } else { |
| TODO |
| return(0); |
| } |
| } |
| |
| /** |
| * xmlSchemaCompareDecimals: |
| * @x: a first decimal value |
| * @y: a second decimal value |
| * |
| * Compare 2 decimals |
| * |
| * Returns -1 if x < y, 0 if x == y, 1 if x > y and -2 in case of error |
| */ |
| static int |
| xmlSchemaCompareDecimals(xmlSchemaValPtr x, xmlSchemaValPtr y) |
| { |
| xmlSchemaValPtr swp; |
| int order = 1; |
| unsigned long tmp; |
| |
| if ((x->value.decimal.sign) && (x->value.decimal.sign)) |
| order = -1; |
| else if (x->value.decimal.sign) |
| return (-1); |
| else if (y->value.decimal.sign) |
| return (1); |
| if (x->value.decimal.frac == y->value.decimal.frac) { |
| if (x->value.decimal.base < y->value.decimal.base) |
| return (-1); |
| return (x->value.decimal.base > y->value.decimal.base); |
| } |
| if (y->value.decimal.frac > x->value.decimal.frac) { |
| swp = y; |
| y = x; |
| x = swp; |
| order = -order; |
| } |
| tmp = |
| x->value.decimal.base / powten[x->value.decimal.frac - |
| y->value.decimal.frac]; |
| if (tmp > y->value.decimal.base) |
| return (order); |
| if (tmp < y->value.decimal.base) |
| return (-order); |
| tmp = |
| y->value.decimal.base * powten[x->value.decimal.frac - |
| y->value.decimal.frac]; |
| if (x->value.decimal.base < tmp) |
| return (-order); |
| if (x->value.decimal.base == tmp) |
| return (0); |
| return (order); |
| } |
| |
| /** |
| * xmlSchemaCompareDurations: |
| * @x: a first duration value |
| * @y: a second duration value |
| * |
| * Compare 2 durations |
| * |
| * Returns -1 if x < y, 0 if x == y, 1 if x > y, 2 if x <> y, and -2 in |
| * case of error |
| */ |
| static int |
| xmlSchemaCompareDurations(xmlSchemaValPtr x, xmlSchemaValPtr y) |
| { |
| long carry, mon, day; |
| double sec; |
| long xmon, xday, myear, lyear, minday, maxday; |
| static const long dayRange [2][12] = { |
| { 0, 28, 59, 89, 120, 150, 181, 212, 242, 273, 303, 334, }, |
| { 0, 31, 62, 92, 123, 153, 184, 215, 245, 276, 306, 337} }; |
| |
| if ((x == NULL) || (y == NULL)) |
| return -2; |
| |
| /* months */ |
| mon = x->value.dur.mon - y->value.dur.mon; |
| |
| /* seconds */ |
| sec = x->value.dur.sec - y->value.dur.sec; |
| carry = (long)sec / SECS_PER_DAY; |
| sec -= (double)(carry * SECS_PER_DAY); |
| |
| /* days */ |
| day = x->value.dur.day - y->value.dur.day + carry; |
| |
| /* easy test */ |
| if (mon == 0) { |
| if (day == 0) |
| if (sec == 0.0) |
| return 0; |
| else if (sec < 0.0) |
| return -1; |
| else |
| return 1; |
| else if (day < 0) |
| return -1; |
| else |
| return 1; |
| } |
| |
| if (mon > 0) { |
| if ((day >= 0) && (sec >= 0.0)) |
| return 1; |
| else { |
| xmon = mon; |
| xday = -day; |
| } |
| } else if ((day <= 0) && (sec <= 0.0)) { |
| return -1; |
| } else { |
| xmon = -mon; |
| xday = day; |
| } |
| |
| myear = xmon / 12; |
| lyear = myear / 4; |
| minday = (myear * 365) + (lyear != 0 ? lyear - 1 : 0); |
| maxday = (myear * 365) + (lyear != 0 ? lyear + 1 : 0); |
| |
| xmon = xmon % 12; |
| minday += dayRange[0][xmon]; |
| maxday += dayRange[1][xmon]; |
| |
| if (maxday < xday) |
| return 1; |
| else if (minday > xday) |
| return -1; |
| |
| /* indeterminate */ |
| return 2; |
| } |
| |
| /* |
| * macros for adding date/times and durations |
| */ |
| #define FQUOTIENT(a,b) (floor(((double)a/(double)b))) |
| #define MODULO(a,b) (a - FQUOTIENT(a,b) * b) |
| #define FQUOTIENT_RANGE(a,low,high) (FQUOTIENT((a-low),(high-low))) |
| #define MODULO_RANGE(a,low,high) ((MODULO((a-low),(high-low)))+low) |
| |
| /** |
| * _xmlSchemaDateAdd: |
| * @dt: an #xmlSchemaValPtr |
| * @dur: an #xmlSchemaValPtr of type #XS_DURATION |
| * |
| * Compute a new date/time from @dt and @dur. This function assumes @dt |
| * is either #XML_SCHEMAS_DATETIME, #XML_SCHEMAS_DATE, #XML_SCHEMAS_GYEARMONTH, |
| * or #XML_SCHEMAS_GYEAR. |
| * |
| * Returns date/time pointer or NULL. |
| */ |
| static xmlSchemaValPtr |
| _xmlSchemaDateAdd (xmlSchemaValPtr dt, xmlSchemaValPtr dur) |
| { |
| xmlSchemaValPtr ret; |
| long carry, tempdays, temp; |
| xmlSchemaValDatePtr r, d; |
| xmlSchemaValDurationPtr u; |
| |
| if ((dt == NULL) || (dur == NULL)) |
| return NULL; |
| |
| ret = xmlSchemaNewValue(dt->type); |
| if (ret == NULL) |
| return NULL; |
| |
| r = &(ret->value.date); |
| d = &(dt->value.date); |
| u = &(dur->value.dur); |
| |
| /* normalization */ |
| if (d->mon == 0) |
| d->mon = 1; |
| |
| /* normalize for time zone offset */ |
| u->sec -= (d->tzo * 60); |
| d->tzo = 0; |
| |
| /* normalization */ |
| if (d->day == 0) |
| d->day = 1; |
| |
| /* month */ |
| carry = d->mon + u->mon; |
| r->mon = MODULO_RANGE(carry, 1, 13); |
| carry = FQUOTIENT_RANGE(carry, 1, 13); |
| |
| /* year (may be modified later) */ |
| r->year = d->year + carry; |
| if (r->year == 0) { |
| if (d->year > 0) |
| r->year--; |
| else |
| r->year++; |
| } |
| |
| /* time zone */ |
| r->tzo = d->tzo; |
| r->tz_flag = d->tz_flag; |
| |
| /* seconds */ |
| r->sec = d->sec + u->sec; |
| carry = FQUOTIENT((long)r->sec, 60); |
| if (r->sec != 0.0) { |
| r->sec = MODULO(r->sec, 60.0); |
| } |
| |
| /* minute */ |
| carry += d->min; |
| r->min = MODULO(carry, 60); |
| carry = FQUOTIENT(carry, 60); |
| |
| /* hours */ |
| carry += d->hour; |
| r->hour = MODULO(carry, 24); |
| carry = FQUOTIENT(carry, 24); |
| |
| /* |
| * days |
| * Note we use tempdays because the temporary values may need more |
| * than 5 bits |
| */ |
| if ((VALID_YEAR(r->year)) && (VALID_MONTH(r->mon)) && |
| (d->day > MAX_DAYINMONTH(r->year, r->mon))) |
| tempdays = MAX_DAYINMONTH(r->year, r->mon); |
| else if (d->day < 1) |
| tempdays = 1; |
| else |
| tempdays = d->day; |
| |
| tempdays += u->day + carry; |
| |
| while (1) { |
| if (tempdays < 1) { |
| long tmon = MODULO_RANGE(r->mon-1, 1, 13); |
| long tyr = r->year + FQUOTIENT_RANGE(r->mon-1, 1, 13); |
| if (tyr == 0) |
| tyr--; |
| tempdays += MAX_DAYINMONTH(tyr, tmon); |
| carry = -1; |
| } else if (tempdays > MAX_DAYINMONTH(r->year, r->mon)) { |
| tempdays = tempdays - MAX_DAYINMONTH(r->year, r->mon); |
| carry = 1; |
| } else |
| break; |
| |
| temp = r->mon + carry; |
| r->mon = MODULO_RANGE(temp, 1, 13); |
| r->year = r->year + FQUOTIENT_RANGE(temp, 1, 13); |
| if (r->year == 0) { |
| if (temp < 1) |
| r->year--; |
| else |
| r->year++; |
| } |
| } |
| |
| r->day = tempdays; |
| |
| /* |
| * adjust the date/time type to the date values |
| */ |
| if (ret->type != XML_SCHEMAS_DATETIME) { |
| if ((r->hour) || (r->min) || (r->sec)) |
| ret->type = XML_SCHEMAS_DATETIME; |
| else if (ret->type != XML_SCHEMAS_DATE) { |
| if ((r->mon != 1) && (r->day != 1)) |
| ret->type = XML_SCHEMAS_DATE; |
| else if ((ret->type != XML_SCHEMAS_GYEARMONTH) && (r->mon != 1)) |
| ret->type = XML_SCHEMAS_GYEARMONTH; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * xmlSchemaDupVal: |
| * @v: value to duplicate |
| * |
| * returns a duplicated value. |
| */ |
| static xmlSchemaValPtr |
| xmlSchemaDupVal (xmlSchemaValPtr v) |
| { |
| xmlSchemaValPtr ret = xmlSchemaNewValue(v->type); |
| if (ret == NULL) |
| return ret; |
| |
| memcpy(ret, v, sizeof(xmlSchemaVal)); |
| return ret; |
| } |
| |
| /** |
| * xmlSchemaDateNormalize: |
| * @dt: an #xmlSchemaValPtr |
| * |
| * Normalize @dt to GMT time. |
| * |
| */ |
| static xmlSchemaValPtr |
| xmlSchemaDateNormalize (xmlSchemaValPtr dt, double offset) |
| { |
| xmlSchemaValPtr dur, ret; |
| |
| if (dt == NULL) |
| return NULL; |
| |
| if (((dt->type != XML_SCHEMAS_TIME) && |
| (dt->type != XML_SCHEMAS_DATETIME)) || (dt->value.date.tzo == 0)) |
| return xmlSchemaDupVal(dt); |
| |
| dur = xmlSchemaNewValue(XML_SCHEMAS_DURATION); |
| if (dur == NULL) |
| return NULL; |
| |
| dur->value.date.sec -= offset; |
| |
| ret = _xmlSchemaDateAdd(dt, dur); |
| if (ret == NULL) |
| return NULL; |
| |
| xmlSchemaFreeValue(dur); |
| |
| /* ret->value.date.tzo = 0; */ |
| return ret; |
| } |
| |
| /** |
| * _xmlSchemaDateCastYMToDays: |
| * @dt: an #xmlSchemaValPtr |
| * |
| * Convert mon and year of @dt to total number of days. Take the |
| * number of years since (or before) 1 AD and add the number of leap |
| * years. This is a function because negative |
| * years must be handled a little differently and there is no zero year. |
| * |
| * Returns number of days. |
| */ |
| static long |
| _xmlSchemaDateCastYMToDays (const xmlSchemaValPtr dt) |
| { |
| long ret; |
| |
| if (dt->value.date.year < 0) |
| ret = (dt->value.date.year * 365) + |
| (((dt->value.date.year+1)/4)-((dt->value.date.year+1)/100)+ |
| ((dt->value.date.year+1)/400)) + |
| DAY_IN_YEAR(0, dt->value.date.mon, dt->value.date.year); |
| else |
| ret = ((dt->value.date.year-1) * 365) + |
| (((dt->value.date.year-1)/4)-((dt->value.date.year-1)/100)+ |
| ((dt->value.date.year-1)/400)) + |
| DAY_IN_YEAR(0, dt->value.date.mon, dt->value.date.year); |
| |
| return ret; |
| } |
| |
| /** |
| * TIME_TO_NUMBER: |
| * @dt: an #xmlSchemaValPtr |
| * |
| * Calculates the number of seconds in the time portion of @dt. |
| * |
| * Returns seconds. |
| */ |
| #define TIME_TO_NUMBER(dt) \ |
| ((double)((dt->value.date.hour * SECS_PER_HOUR) + \ |
| (dt->value.date.min * SECS_PER_MIN)) + dt->value.date.sec) |
| |
| /** |
| * xmlSchemaCompareDates: |
| * @x: a first date/time value |
| * @y: a second date/time value |
| * |
| * Compare 2 date/times |
| * |
| * Returns -1 if x < y, 0 if x == y, 1 if x > y, 2 if x <> y, and -2 in |
| * case of error |
| */ |
| static int |
| xmlSchemaCompareDates (xmlSchemaValPtr x, xmlSchemaValPtr y) |
| { |
| unsigned char xmask, ymask, xor_mask, and_mask; |
| xmlSchemaValPtr p1, p2, q1, q2; |
| long p1d, p2d, q1d, q2d; |
| |
| if ((x == NULL) || (y == NULL)) |
| return -2; |
| |
| if (x->value.date.tz_flag) { |
| |
| if (!y->value.date.tz_flag) { |
| p1 = xmlSchemaDateNormalize(x, 0); |
| p1d = _xmlSchemaDateCastYMToDays(p1) + p1->value.date.day; |
| /* normalize y + 14:00 */ |
| q1 = xmlSchemaDateNormalize(y, (14 * SECS_PER_HOUR)); |
| |
| q1d = _xmlSchemaDateCastYMToDays(q1) + q1->value.date.day; |
| if (p1d < q1d) |
| return -1; |
| else if (p1d == q1d) { |
| double sec; |
| |
| sec = TIME_TO_NUMBER(p1) - TIME_TO_NUMBER(q1); |
| if (sec < 0.0) |
| return -1; |
| else { |
| /* normalize y - 14:00 */ |
| q2 = xmlSchemaDateNormalize(y, -(14 * SECS_PER_HOUR)); |
| q2d = _xmlSchemaDateCastYMToDays(q2) + q2->value.date.day; |
| if (p1d > q2d) |
| return 1; |
| else if (p1d == q2d) { |
| sec = TIME_TO_NUMBER(p1) - TIME_TO_NUMBER(q2); |
| if (sec > 0.0) |
| return 1; |
| else |
| return 2; /* indeterminate */ |
| } |
| } |
| } |
| } |
| } else if (y->value.date.tz_flag) { |
| q1 = xmlSchemaDateNormalize(y, 0); |
| q1d = _xmlSchemaDateCastYMToDays(q1) + q1->value.date.day; |
| |
| /* normalize x - 14:00 */ |
| p1 = xmlSchemaDateNormalize(x, -(14 * SECS_PER_HOUR)); |
| p1d = _xmlSchemaDateCastYMToDays(p1) + p1->value.date.day; |
| |
| if (p1d < q1d) |
| return -1; |
| else if (p1d == q1d) { |
| double sec; |
| |
| sec = TIME_TO_NUMBER(p1) - TIME_TO_NUMBER(q1); |
| if (sec < 0.0) |
| return -1; |
| else { |
| /* normalize x + 14:00 */ |
| p2 = xmlSchemaDateNormalize(x, (14 * SECS_PER_HOUR)); |
| p2d = _xmlSchemaDateCastYMToDays(p2) + p2->value.date.day; |
| |
| if (p2d > q1d) |
| return 1; |
| else if (p2d == q1d) { |
| sec = TIME_TO_NUMBER(p2) - TIME_TO_NUMBER(q1); |
| if (sec > 0.0) |
| return 1; |
| else |
| return 2; /* indeterminate */ |
| } |
| } |
| } |
| } |
| |
| /* |
| * if the same type then calculate the difference |
| */ |
| if (x->type == y->type) { |
| q1 = xmlSchemaDateNormalize(y, 0); |
| q1d = _xmlSchemaDateCastYMToDays(q1) + q1->value.date.day; |
| |
| p1 = xmlSchemaDateNormalize(x, 0); |
| p1d = _xmlSchemaDateCastYMToDays(p1) + p1->value.date.day; |
| |
| if (p1d < q1d) |
| return -1; |
| else if (p1d > q1d) |
| return 1; |
| else { |
| double sec; |
| |
| sec = TIME_TO_NUMBER(p1) - TIME_TO_NUMBER(q1); |
| if (sec < 0.0) |
| return -1; |
| else if (sec > 0.0) |
| return 1; |
| |
| } |
| return 0; |
| } |
| |
| switch (x->type) { |
| case XML_SCHEMAS_DATETIME: |
| xmask = 0xf; |
| break; |
| case XML_SCHEMAS_DATE: |
| xmask = 0x7; |
| break; |
| case XML_SCHEMAS_GYEAR: |
| xmask = 0x1; |
| break; |
| case XML_SCHEMAS_GMONTH: |
| xmask = 0x2; |
| break; |
| case XML_SCHEMAS_GDAY: |
| xmask = 0x3; |
| break; |
| case XML_SCHEMAS_GYEARMONTH: |
| xmask = 0x3; |
| break; |
| case XML_SCHEMAS_GMONTHDAY: |
| xmask = 0x6; |
| break; |
| case XML_SCHEMAS_TIME: |
| xmask = 0x8; |
| break; |
| default: |
| xmask = 0; |
| break; |
| } |
| |
| switch (y->type) { |
| case XML_SCHEMAS_DATETIME: |
| ymask = 0xf; |
| break; |
| case XML_SCHEMAS_DATE: |
| ymask = 0x7; |
| break; |
| case XML_SCHEMAS_GYEAR: |
| ymask = 0x1; |
| break; |
| case XML_SCHEMAS_GMONTH: |
| ymask = 0x2; |
| break; |
| case XML_SCHEMAS_GDAY: |
| ymask = 0x3; |
| break; |
| case XML_SCHEMAS_GYEARMONTH: |
| ymask = 0x3; |
| break; |
| case XML_SCHEMAS_GMONTHDAY: |
| ymask = 0x6; |
| break; |
| case XML_SCHEMAS_TIME: |
| ymask = 0x8; |
| break; |
| default: |
| ymask = 0; |
| break; |
| } |
| |
| xor_mask = xmask ^ ymask; /* mark type differences */ |
| and_mask = xmask & ymask; /* mark field specification */ |
| |
| /* year */ |
| if (xor_mask & 1) |
| return 2; /* indeterminate */ |
| else if (and_mask & 1) { |
| if (x->value.date.year < y->value.date.year) |
| return -1; |
| else if (x->value.date.year > y->value.date.year) |
| return 1; |
| } |
| |
| /* month */ |
| if (xor_mask & 2) |
| return 2; /* indeterminate */ |
| else if (and_mask & 2) { |
| if (x->value.date.mon < y->value.date.mon) |
| return -1; |
| else if (x->value.date.mon > y->value.date.mon) |
| return 1; |
| } |
| |
| /* day */ |
| if (xor_mask & 4) |
| return 2; /* indeterminate */ |
| else if (and_mask & 4) { |
| if (x->value.date.day < y->value.date.day) |
| return -1; |
| else if (x->value.date.day > y->value.date.day) |
| return 1; |
| } |
| |
| /* time */ |
| if (xor_mask & 8) |
| return 2; /* indeterminate */ |
| else if (and_mask & 8) { |
| if (x->value.date.hour < y->value.date.hour) |
| return -1; |
| else if (x->value.date.hour > y->value.date.hour) |
| return 1; |
| else if (x->value.date.min < y->value.date.min) |
| return -1; |
| else if (x->value.date.min > y->value.date.min) |
| return 1; |
| else if (x->value.date.sec < y->value.date.sec) |
| return -1; |
| else if (x->value.date.sec > y->value.date.sec) |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * xmlSchemaCompareValues: |
| * @x: a first value |
| * @y: a second value |
| * |
| * Compare 2 values |
| * |
| * Returns -1 if x < y, 0 if x == y, 1 if x > y, 2 if x <> y, and -2 in |
| * case of error |
| */ |
| static int |
| xmlSchemaCompareValues(xmlSchemaValPtr x, xmlSchemaValPtr y) { |
| if ((x == NULL) || (y == NULL)) |
| return(-2); |
| |
| switch (x->type) { |
| case XML_SCHEMAS_STRING: |
| TODO |
| case XML_SCHEMAS_DECIMAL: |
| if (y->type == XML_SCHEMAS_DECIMAL) |
| return(xmlSchemaCompareDecimals(x, y)); |
| return(-2); |
| case XML_SCHEMAS_DURATION: |
| if (y->type == XML_SCHEMAS_DURATION) |
| return(xmlSchemaCompareDurations(x, y)); |
| return(-2); |
| case XML_SCHEMAS_TIME: |
| case XML_SCHEMAS_GDAY: |
| case XML_SCHEMAS_GMONTH: |
| case XML_SCHEMAS_GMONTHDAY: |
| case XML_SCHEMAS_GYEAR: |
| case XML_SCHEMAS_GYEARMONTH: |
| case XML_SCHEMAS_DATE: |
| case XML_SCHEMAS_DATETIME: |
| if ((y->type == XML_SCHEMAS_DATETIME) || |
| (y->type == XML_SCHEMAS_TIME) || |
| (y->type == XML_SCHEMAS_GDAY) || |
| (y->type == XML_SCHEMAS_GMONTH) || |
| (y->type == XML_SCHEMAS_GMONTHDAY) || |
| (y->type == XML_SCHEMAS_GYEAR) || |
| (y->type == XML_SCHEMAS_DATE) || |
| (y->type == XML_SCHEMAS_GYEARMONTH)) |
| return (xmlSchemaCompareDates(x, y)); |
| |
| return (-2); |
| default: |
| TODO |
| } |
| return -2; |
| } |
| |
| /** |
| * xmlSchemaValidateFacet: |
| * @type: the type declaration |
| * @facet: the facet to check |
| * @value: the lexical repr of the value to validate |
| * @val: the precomputed value |
| * |
| * Check a value against a facet condition |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| int |
| xmlSchemaValidateFacet(xmlSchemaTypePtr base, xmlSchemaFacetPtr facet, |
| const xmlChar *value, xmlSchemaValPtr val) |
| { |
| int ret; |
| |
| switch (facet->type) { |
| case XML_SCHEMA_FACET_PATTERN: |
| ret = xmlRegexpExec(facet->regexp, value); |
| if (ret == 1) |
| return(0); |
| if (ret == 0) { |
| TODO /* error code */ |
| return(1); |
| } |
| return(ret); |
| case XML_SCHEMA_FACET_MAXEXCLUSIVE: |
| ret = xmlSchemaCompareValues(val, facet->val); |
| if (ret == -2) { |
| TODO /* error code */ |
| return(-1); |
| } |
| if (ret == -1) |
| return(0); |
| /* error code */ |
| return(1); |
| case XML_SCHEMA_FACET_MAXINCLUSIVE: |
| ret = xmlSchemaCompareValues(val, facet->val); |
| if (ret == -2) { |
| TODO /* error code */ |
| return(-1); |
| } |
| if ((ret == -1) || (ret == 0)) |
| return(0); |
| /* error code */ |
| return(1); |
| case XML_SCHEMA_FACET_MINEXCLUSIVE: |
| ret = xmlSchemaCompareValues(val, facet->val); |
| if (ret == -2) { |
| TODO /* error code */ |
| return(-1); |
| } |
| if (ret == 1) |
| return(0); |
| /* error code */ |
| return(1); |
| case XML_SCHEMA_FACET_MININCLUSIVE: |
| ret = xmlSchemaCompareValues(val, facet->val); |
| if (ret == -2) { |
| TODO /* error code */ |
| return(-1); |
| } |
| if ((ret == 1) || (ret == 0)) |
| return(0); |
| /* error code */ |
| return(1); |
| case XML_SCHEMA_FACET_WHITESPACE: |
| TODO /* whitespaces */ |
| return(0); |
| case XML_SCHEMA_FACET_MAXLENGTH: |
| if ((facet->val != NULL) && |
| (facet->val->type == XML_SCHEMAS_DECIMAL) && |
| (facet->val->value.decimal.frac == 0)) { |
| int len; |
| |
| if (facet->val->value.decimal.sign == 1) |
| return(1); |
| len = xmlUTF8Strlen(value); |
| if (len > facet->val->value.decimal.base) |
| return(1); |
| return(0); |
| } |
| TODO /* error code */ |
| return(1); |
| case XML_SCHEMA_FACET_ENUMERATION: |
| if ((facet->value != NULL) && |
| (xmlStrEqual(facet->value, value))) |
| return(0); |
| return(1); |
| default: |
| TODO |
| } |
| return(0); |
| } |
| |
| #endif /* LIBXML_SCHEMAS_ENABLED */ |