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      1 /*
      2 *******************************************************************************
      3 *
      4 *   Copyright (C) 1999-2010, International Business Machines
      5 *   Corporation and others.  All Rights Reserved.
      6 *
      7 *******************************************************************************
      8 *   file name:  toolutil.h
      9 *   encoding:   US-ASCII
     10 *   tab size:   8 (not used)
     11 *   indentation:4
     12 *
     13 *   created on: 1999nov19
     14 *   created by: Markus W. Scherer
     15 *
     16 *   This file defines utility functions for ICU tools like genccode.
     17 */
     18 
     19 #ifndef __TOOLUTIL_H__
     20 #define __TOOLUTIL_H__
     21 
     22 #include "unicode/utypes.h"
     23 
     24 #ifdef XP_CPLUSPLUS
     25 
     26 #include "unicode/errorcode.h"
     27 
     28 U_NAMESPACE_BEGIN
     29 
     30 /**
     31  * ErrorCode subclass for use in ICU command-line tools.
     32  * The destructor calls handleFailure() which calls exit(errorCode) when isFailure().
     33  */
     34 class U_TOOLUTIL_API IcuToolErrorCode : public ErrorCode {
     35 public:
     36     /**
     37      * @param loc A short string describing where the IcuToolErrorCode is used.
     38      */
     39     IcuToolErrorCode(const char *loc) : location(loc) {}
     40     virtual ~IcuToolErrorCode();
     41 protected:
     42     virtual void handleFailure() const;
     43 private:
     44     const char *location;
     45 };
     46 
     47 U_NAMESPACE_END
     48 
     49 #endif
     50 
     51 /*
     52  * For Windows, a path/filename may be the short (8.3) version
     53  * of the "real", long one. In this case, the short one
     54  * is abbreviated and contains a tilde etc.
     55  * This function returns a pointer to the original pathname
     56  * if it is the "real" one itself, and a pointer to a static
     57  * buffer (not thread-safe) containing the long version
     58  * if the pathname is indeed abbreviated.
     59  *
     60  * On platforms other than Windows, this function always returns
     61  * the input pathname pointer.
     62  *
     63  * This function is especially useful in tools that are called
     64  * by a batch file for loop, which yields short pathnames on Win9x.
     65  */
     66 U_CAPI const char * U_EXPORT2
     67 getLongPathname(const char *pathname);
     68 
     69 /**
     70  * Find the basename at the end of a pathname, i.e., the part
     71  * after the last file separator, and return a pointer
     72  * to this part of the pathname.
     73  * If the pathname only contains a basename and no file separator,
     74  * then the pathname pointer itself is returned.
     75  **/
     76 U_CAPI const char * U_EXPORT2
     77 findBasename(const char *filename);
     78 
     79 /**
     80  * Find the directory name of a pathname, that is, everything
     81  * up to but not including the last file separator.
     82  *
     83  * If successful, copies the directory name into the output buffer along with
     84  * a terminating NULL.
     85  *
     86  * If there isn't a directory name in the path, it returns the current directory string ('.').
     87  * @param path the full pathname to inspect.
     88  * @param buffer the output buffer
     89  * @param bufLen the output buffer length
     90  * @param status error code- may return U_BUFFER_OVERFLOW_ERROR if bufLen is too small.
     91  * @return If successful, a pointer to the output buffer. If failure or bufLen is too small, NULL.
     92  **/
     93 U_CAPI const char * U_EXPORT2
     94 findDirname(const char *path, char *buffer, int32_t bufLen, UErrorCode* status);
     95 
     96 /*
     97  * Return the current year in the Gregorian calendar. Used for copyright generation.
     98  */
     99 U_CAPI int32_t U_EXPORT2
    100 getCurrentYear(void);
    101 
    102 /*
    103  * Creates a directory with pathname.
    104  *
    105  * @param status Set to an error code when mkdir failed.
    106  */
    107 U_CAPI void U_EXPORT2
    108 uprv_mkdir(const char *pathname, UErrorCode *status);
    109 
    110 /**
    111  * Return the modification date for the specified file or directory.
    112  * Return value is undefined if there was an error.
    113  */
    114 /*U_CAPI UDate U_EXPORT2
    115 uprv_getModificationDate(const char *pathname, UErrorCode *status);
    116 */
    117 /*
    118  * Returns the modification
    119  *
    120  * @param status Set to an error code when mkdir failed.
    121  */
    122 
    123 /*
    124  * UToolMemory is used for generic, custom memory management.
    125  * It is allocated with enough space for count*size bytes starting
    126  * at array.
    127  * The array is declared with a union of large data types so
    128  * that its base address is aligned for any types.
    129  * If size is a multiple of a data type size, then such items
    130  * can be safely allocated inside the array, at offsets that
    131  * are themselves multiples of size.
    132  */
    133 struct UToolMemory;
    134 typedef struct UToolMemory UToolMemory;
    135 
    136 /**
    137  * Open a UToolMemory object for allocation of initialCapacity to maxCapacity
    138  * items with size bytes each.
    139  */
    140 U_CAPI UToolMemory * U_EXPORT2
    141 utm_open(const char *name, int32_t initialCapacity, int32_t maxCapacity, int32_t size);
    142 
    143 /**
    144  * Close a UToolMemory object.
    145  */
    146 U_CAPI void U_EXPORT2
    147 utm_close(UToolMemory *mem);
    148 
    149 /**
    150  * Get the pointer to the beginning of the array of items.
    151  * The pointer becomes invalid after allocation of new items.
    152  */
    153 U_CAPI void * U_EXPORT2
    154 utm_getStart(UToolMemory *mem);
    155 
    156 /**
    157  * Get the current number of items.
    158  */
    159 U_CAPI int32_t U_EXPORT2
    160 utm_countItems(UToolMemory *mem);
    161 
    162 /**
    163  * Allocate one more item and return the pointer to its start in the array.
    164  */
    165 U_CAPI void * U_EXPORT2
    166 utm_alloc(UToolMemory *mem);
    167 
    168 /**
    169  * Allocate n items and return the pointer to the start of the first one in the array.
    170  */
    171 U_CAPI void * U_EXPORT2
    172 utm_allocN(UToolMemory *mem, int32_t n);
    173 
    174 #endif
    175