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* Style cleanup, no functional change.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27005 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2008-08-17 14:58:36 +00:00
parent 8ce6cfc999
commit e6a9c269be
1 changed files with 93 additions and 80 deletions
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src/system/libroot/os/parsedate.cpp
+75 -62
View File
@@ -1,21 +1,22 @@
/* /*
** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved. * Copyright 2003-2008, Axel Dörfler, [email protected].
** Distributed under the terms of the OpenBeOS License. * Distributed under the terms of the MIT License.
*/ */
#include <OS.h>
#include <parsedate.h> #include <parsedate.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h> #include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <OS.h>
#define TRACE_PARSEDATE 0 #define TRACE_PARSEDATE 1
#if TRACE_PARSEDATE #if TRACE_PARSEDATE
# define TRACE(x) printf x ; # define TRACE(x) debug_printf x ;
#else #else
# define TRACE(x) ; # define TRACE(x) ;
#endif #endif
@@ -106,7 +107,7 @@ static const char * const kFormatsTable[] = {
"H [p]", "H [p]",
NULL NULL
}; };
static const char * const *sFormatsTable = kFormatsTable; static const char* const* sFormatsTable = kFormatsTable;
enum field_type { enum field_type {
@@ -173,14 +174,21 @@ struct known_identifier {
}; };
static const known_identifier kIdentifiers[] = { static const known_identifier kIdentifiers[] = {
{"today", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE, UNIT_DAY, 0}, {"today", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE,
{"tomorrow", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE, UNIT_DAY, 1}, UNIT_DAY, 0},
{"yesterday", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE, UNIT_DAY, -1}, {"tomorrow", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE,
{"now", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE | FLAG_NOW, 0}, UNIT_DAY, 1},
{"yesterday", NULL, TYPE_UNIT, FLAG_RELATIVE | FLAG_NOT_MODIFIABLE,
UNIT_DAY, -1},
{"now", NULL, TYPE_UNIT,
FLAG_RELATIVE | FLAG_NOT_MODIFIABLE | FLAG_NOW, 0},
{"this", NULL, TYPE_MODIFIER, FLAG_NEXT_LAST_THIS, UNIT_NONE, MODIFY_THIS}, {"this", NULL, TYPE_MODIFIER, FLAG_NEXT_LAST_THIS, UNIT_NONE,
{"next", NULL, TYPE_MODIFIER, FLAG_NEXT_LAST_THIS, UNIT_NONE, MODIFY_NEXT}, MODIFY_THIS},
{"last", NULL, TYPE_MODIFIER, FLAG_NEXT_LAST_THIS, UNIT_NONE, MODIFY_LAST}, {"next", NULL, TYPE_MODIFIER, FLAG_NEXT_LAST_THIS, UNIT_NONE,
MODIFY_NEXT},
{"last", NULL, TYPE_MODIFIER, FLAG_NEXT_LAST_THIS, UNIT_NONE,
MODIFY_LAST},
{"years", "year", TYPE_UNIT, FLAG_RELATIVE, UNIT_YEAR, 1}, {"years", "year", TYPE_UNIT, FLAG_RELATIVE, UNIT_YEAR, 1},
{"months", "month",TYPE_UNIT, FLAG_RELATIVE, UNIT_MONTH, 1}, {"months", "month",TYPE_UNIT, FLAG_RELATIVE, UNIT_MONTH, 1},
@@ -194,7 +202,8 @@ static const known_identifier kIdentifiers[] = {
{"minutes", "mins", TYPE_UNIT, FLAG_RELATIVE, UNIT_SECOND, 60}, {"minutes", "mins", TYPE_UNIT, FLAG_RELATIVE, UNIT_SECOND, 60},
{"am", NULL, TYPE_MERIDIAN, FLAG_NOT_MODIFIABLE, UNIT_SECOND, 0}, {"am", NULL, TYPE_MERIDIAN, FLAG_NOT_MODIFIABLE, UNIT_SECOND, 0},
{"pm", NULL, TYPE_MERIDIAN, FLAG_NOT_MODIFIABLE, UNIT_SECOND, 12 * 60 * 60}, {"pm", NULL, TYPE_MERIDIAN, FLAG_NOT_MODIFIABLE, UNIT_SECOND,
12 * 60 * 60},
{"sunday", "sun", TYPE_WEEKDAY, FLAG_NONE, UNIT_DAY, 0}, {"sunday", "sun", TYPE_WEEKDAY, FLAG_NONE, UNIT_DAY, 0},
{"monday", "mon", TYPE_WEEKDAY, FLAG_NONE, UNIT_DAY, 1}, {"monday", "mon", TYPE_WEEKDAY, FLAG_NONE, UNIT_DAY, 1},
@@ -218,7 +227,7 @@ static const known_identifier kIdentifiers[] = {
{"december", "dec", TYPE_MONTH, FLAG_NONE, UNIT_MONTH, 12}, {"december", "dec", TYPE_MONTH, FLAG_NONE, UNIT_MONTH, 12},
{"GMT", NULL, TYPE_TIME_ZONE, FLAG_NONE, UNIT_SECOND, 0}, {"GMT", NULL, TYPE_TIME_ZONE, FLAG_NONE, UNIT_SECOND, 0},
// ToDo: add more time zones // TODO: add more time zones
{NULL} {NULL}
}; };
@@ -230,7 +239,7 @@ class DateMask {
DateMask() : fMask(0UL) {} DateMask() : fMask(0UL) {}
void Set(uint8 type) { fMask |= Flag(type); } void Set(uint8 type) { fMask |= Flag(type); }
bool IsSet(uint8 type) { return fMask & Flag(type); } bool IsSet(uint8 type) { return (fMask & Flag(type)) != 0; }
bool HasTime(); bool HasTime();
bool IsComplete(); bool IsComplete();
@@ -253,8 +262,8 @@ struct parsed_element {
void SetCharType(uint8 fieldType, int8 modify = MODIFY_NONE); void SetCharType(uint8 fieldType, int8 modify = MODIFY_NONE);
void Adopt(const known_identifier &identifier); void Adopt(const known_identifier& identifier);
void AdoptUnit(const known_identifier &identifier); void AdoptUnit(const known_identifier& identifier);
bool IsNextLastThis(); bool IsNextLastThis();
}; };
@@ -269,7 +278,7 @@ parsed_element::SetCharType(uint8 fieldType, int8 modify)
void void
parsed_element::Adopt(const known_identifier &identifier) parsed_element::Adopt(const known_identifier& identifier)
{ {
base_type = type = identifier.type; base_type = type = identifier.type;
flags = identifier.flags; flags = identifier.flags;
@@ -284,7 +293,7 @@ parsed_element::Adopt(const known_identifier &identifier)
void void
parsed_element::AdoptUnit(const known_identifier &identifier) parsed_element::AdoptUnit(const known_identifier& identifier)
{ {
base_type = type = TYPE_UNIT; base_type = type = TYPE_UNIT;
flags = identifier.flags; flags = identifier.flags;
@@ -297,7 +306,8 @@ inline bool
parsed_element::IsNextLastThis() parsed_element::IsNextLastThis()
{ {
return base_type == TYPE_MODIFIER return base_type == TYPE_MODIFIER
&& (modifier == MODIFY_NEXT || modifier == MODIFY_LAST || modifier == MODIFY_THIS); && (modifier == MODIFY_NEXT || modifier == MODIFY_LAST
|| modifier == MODIFY_THIS);
} }
@@ -312,16 +322,15 @@ DateMask::HasTime()
} }
/** This method checks if the date mask is complete in the /*! This method checks if the date mask is complete in the
* sense that it doesn't need to have a prefilled "struct tm" sense that it doesn't need to have a prefilled "struct tm"
* when its time value is computed. when its time value is computed.
*/ */
bool bool
DateMask::IsComplete() DateMask::IsComplete()
{ {
// mask must be absolute, at last // mask must be absolute, at last
if (fMask & Flag(TYPE_UNIT)) if ((fMask & Flag(TYPE_UNIT)) != 0)
return false; return false;
// minimal set of flags to have a complete set // minimal set of flags to have a complete set
@@ -332,8 +341,8 @@ DateMask::IsComplete()
// #pragma mark - // #pragma mark -
status_t static status_t
preparseDate(const char *dateString, parsed_element *elements) preparseDate(const char* dateString, parsed_element* elements)
{ {
int32 index = 0, modify = MODIFY_NONE; int32 index = 0, modify = MODIFY_NONE;
char c; char c;
@@ -388,8 +397,9 @@ preparseDate(const char *dateString, parsed_element *elements)
// check for "1st", "2nd, "3rd", "4th", ... // check for "1st", "2nd, "3rd", "4th", ...
const char *suffixes[] = {"th", "st", "nd", "rd"}; const char* suffixes[] = {"th", "st", "nd", "rd"};
const char *validSuffix = elements[index].value > 3 ? "th" : suffixes[elements[index].value]; const char* validSuffix = elements[index].value > 3
? "th" : suffixes[elements[index].value];
if (!strncasecmp(dateString + 1, validSuffix, 2) if (!strncasecmp(dateString + 1, validSuffix, 2)
&& !isalpha(dateString[3])) { && !isalpha(dateString[3])) {
// for now, just ignore the suffix - but we might be able // for now, just ignore the suffix - but we might be able
@@ -400,7 +410,7 @@ preparseDate(const char *dateString, parsed_element *elements)
} else if (isalpha(c)) { } else if (isalpha(c)) {
// fetch whole string // fetch whole string
const char *string = dateString; const char* string = dateString;
while (isalpha(dateString[1])) while (isalpha(dateString[1]))
dateString++; dateString++;
int32 length = dateString + 1 - string; int32 length = dateString + 1 - string;
@@ -408,7 +418,7 @@ preparseDate(const char *dateString, parsed_element *elements)
// compare with known strings // compare with known strings
// ToDo: should understand other languages as well... // ToDo: should understand other languages as well...
const known_identifier *identifier = kIdentifiers; const known_identifier* identifier = kIdentifiers;
for (; identifier->string; identifier++) { for (; identifier->string; identifier++) {
if (!strncasecmp(identifier->string, string, length) if (!strncasecmp(identifier->string, string, length)
&& !identifier->string[length]) && !identifier->string[length])
@@ -486,7 +496,7 @@ preparseDate(const char *dateString, parsed_element *elements)
static void static void
computeRelativeUnit(parsed_element &element, struct tm &tm, int *_flags) computeRelativeUnit(parsed_element& element, struct tm& tm, int* _flags)
{ {
// set the relative start depending on unit // set the relative start depending on unit
@@ -504,7 +514,7 @@ computeRelativeUnit(parsed_element &element, struct tm &tm, int *_flags)
// adjust value // adjust value
if (element.flags & FLAG_RELATIVE) { if ((element.flags & FLAG_RELATIVE) != 0) {
if (element.unit == UNIT_MONTH) if (element.unit == UNIT_MONTH)
tm.tm_mon += element.value; tm.tm_mon += element.value;
else if (element.unit == UNIT_DAY) else if (element.unit == UNIT_DAY)
@@ -536,17 +546,17 @@ computeRelativeUnit(parsed_element &element, struct tm &tm, int *_flags)
} }
/** Uses the format assignment (through "format", and "optional") for the parsed elements /*! Uses the format assignment (through "format", and "optional") for the
* and calculates the time value with respect to "now". parsed elements and calculates the time value with respect to "now".
* Will also set the day/minute relative flags in "_flags". Will also set the day/minute relative flags in "_flags".
*/ */
static time_t static time_t
computeDate(const char *format, bool *optional, parsed_element *elements, time_t now, DateMask dateMask, int *_flags) computeDate(const char* format, bool* optional, parsed_element* elements,
time_t now, DateMask dateMask, int* _flags)
{ {
TRACE(("matches: %s\n", format)); TRACE(("matches: %s\n", format));
parsed_element *element = elements; parsed_element* element = elements;
uint32 position = 0; uint32 position = 0;
struct tm tm; struct tm tm;
@@ -641,8 +651,9 @@ computeDate(const char *format, bool *optional, parsed_element *elements, time_t
tm.tm_sec += element->value - timezone; tm.tm_sec += element->value - timezone;
break; break;
case 'T': // time unit case 'T': // time unit
if (element->flags & FLAG_NOW) { if ((element->flags & FLAG_NOW) != 0) {
*_flags = PARSEDATE_MINUTE_RELATIVE_TIME | PARSEDATE_RELATIVE_TIME; *_flags = PARSEDATE_MINUTE_RELATIVE_TIME
| PARSEDATE_RELATIVE_TIME;
break; break;
} }
@@ -666,7 +677,7 @@ computeDate(const char *format, bool *optional, parsed_element *elements, time_t
time_t time_t
parsedate_etc(const char *dateString, time_t now, int *_flags) parsedate_etc(const char* dateString, time_t now, int* _flags)
{ {
// preparse date string so that it can be easily compared to our formats // preparse date string so that it can be easily compared to our formats
@@ -681,10 +692,10 @@ parsedate_etc(const char *dateString, time_t now, int *_flags)
for (int32 index = 0; elements[index].type != TYPE_END; index++) { for (int32 index = 0; elements[index].type != TYPE_END; index++) {
parsed_element e = elements[index]; parsed_element e = elements[index];
printf(" %ld: type = %ld, base_type = %ld, unit = %ld, flags = %ld, value = %Ld (%s)\n", printf(" %ld: type = %u, base_type = %u, unit = %u, flags = %u, "
index, e.type, e.base_type, e.unit, e.flags, e.value, "value = %Ld (%s)\n", index, e.type, e.base_type, e.unit, e.flags,
e.value_type == VALUE_NUMERICAL ? "numerical" : e.value, e.value_type == VALUE_NUMERICAL
(e.value_type == VALUE_STRING ? "string" : "char")); ? "numerical" : (e.value_type == VALUE_STRING ? "string" : "char"));
} }
#endif #endif
@@ -693,11 +704,11 @@ parsedate_etc(const char *dateString, time_t now, int *_flags)
for (int32 index = 0; sFormatsTable[index]; index++) { for (int32 index = 0; sFormatsTable[index]; index++) {
// test if this format matches our date string // test if this format matches our date string
const char *format = sFormatsTable[index]; const char* format = sFormatsTable[index];
uint32 position = 0; uint32 position = 0;
DateMask dateMask; DateMask dateMask;
parsed_element *element = elements; parsed_element* element = elements;
while (element->type != TYPE_END) { while (element->type != TYPE_END) {
// skip whitespace // skip whitespace
while (isspace(format[0])) while (isspace(format[0]))
@@ -775,7 +786,7 @@ parsedate_etc(const char *dateString, time_t now, int *_flags)
dateMask.Set(TYPE_UNIT); dateMask.Set(TYPE_UNIT);
break; break;
case '-': case '-':
if (element->flags & FLAG_HAS_DASH) { if ((element->flags & FLAG_HAS_DASH) != 0) {
element--; // consider this element again element--; // consider this element again
break; break;
} }
@@ -840,7 +851,8 @@ parsedate_etc(const char *dateString, time_t now, int *_flags)
// skip the closing ']' // skip the closing ']'
} }
// check if the format is already empty (since we reached our last element) // check if the format is already empty (since we reached our last
// element)
while (format[0]) { while (format[0]) {
if (format[0] == '[') if (format[0] == '[')
format += 3; format += 3;
@@ -854,7 +866,8 @@ parsedate_etc(const char *dateString, time_t now, int *_flags)
// made it here? then we seem to have found our guy // made it here? then we seem to have found our guy
return computeDate(sFormatsTable[index], optional, elements, now, dateMask, _flags); return computeDate(sFormatsTable[index], optional, elements, now,
dateMask, _flags);
skip_format: skip_format:
// check if the next format has the same beginning as the skipped one, // check if the next format has the same beginning as the skipped one,
@@ -873,7 +886,7 @@ parsedate_etc(const char *dateString, time_t now, int *_flags)
time_t time_t
parsedate(const char *dateString, time_t now) parsedate(const char* dateString, time_t now)
{ {
int flags = 0; int flags = 0;
@@ -882,15 +895,15 @@ parsedate(const char *dateString, time_t now)
void void
set_dateformats(const char **table) set_dateformats(const char** table)
{ {
sFormatsTable = table ? table : kFormatsTable; sFormatsTable = table ? table : kFormatsTable;
} }
const char ** const char**
get_dateformats(void) get_dateformats(void)
{ {
return const_cast<const char **>(sFormatsTable); return const_cast<const char**>(sFormatsTable);
} }