icuSources/tools/toolutil/unewdata.h

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 1999-2000, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *   file name:  unewdata.h
   9 *   encoding:   US-ASCII
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created on: 1999oct25
  14 *   created by: Markus W. Scherer
  15 */
  16
  17 #ifndef __UNEWDATA_H__
  18 #define __UNEWDATA_H__
  19
  20 #include "unicode/utypes.h"
  21 #include "unicode/udata.h"
  22
  23 /* API for writing data -----------------------------------------------------*/
  24
  25 /** @memo Forward declaration of the data memory creation type. */
  26 typedef struct UNewDataMemory UNewDataMemory;
  27
  28 /**
  29  * Create a new binary data file.
  30  * The file-writing <code>udata_</code> functions facilitate writing
  31  * binary data files that can be read by ICU's <code>udata</code> API.
  32  * This function opens a new file with a filename determined from its
  33  * parameters - of the form "name.type".
  34  * It then writes a short header, followed by the <code>UDataInfo</code>
  35  * structure and, optionally, by the comment string.
  36  * It then writes padding bytes to round up to a multiple of 16 bytes.
  37  * Subsequent write operations will thus start at an offset in the file
  38  * that is a multiple of 16. <code>udata_getMemory()</code> will return
  39  * a pointer to this same starting offset.
  40  *
  41  * See udata.h .
  42  *
  43  * @param dir A string that specifies the directory where the data will be
  44  *            written. If <code>NULL</code>, then
  45  *            <code>u_getDataDirectory</code> is used.
  46  * @param type A string that specifies the type of data to be written.
  47  *             For example, resource bundles are written with type "res",
  48  *             conversion tables with type "cnv".
  49  *             This may be <code>NULL</code> or empty.
  50  * @param name A string that specifies the name of the data.
  51  * @param pInfo A pointer to a correctly filled <code>UDataInfo</code>
  52  *              structure that will be copied into the file.
  53  * @param comment A string (e.g., a copyright statement) that will be
  54  *                copied into the file if it is not <code>NULL</code>
  55  *                or empty. This string serves only as a comment in the binary
  56  *                file. It will not be accessible by any API.
  57  * @param pErrorCode An ICU UErrorCode parameter. It must not be <code>NULL</code>.
  58  */
  59 U_CAPI UNewDataMemory * U_EXPORT2
  60 udata_create(const char *dir, const char *type, const char *name,
  61              const UDataInfo *pInfo,
  62              const char *comment,
  63              UErrorCode *pErrorCode);
  64
  65 /** @memo Close a newly written binary file. */
  66 U_CAPI uint32_t U_EXPORT2
  67 udata_finish(UNewDataMemory *pData, UErrorCode *pErrorCode);
  68
  69 /** @memo Write an 8-bit byte to the file. */
  70 U_CAPI void U_EXPORT2
  71 udata_write8(UNewDataMemory *pData, uint8_t byte);
  72
  73 /** @memo Write a 16-bit word to the file. */
  74 U_CAPI void U_EXPORT2
  75 udata_write16(UNewDataMemory *pData, uint16_t word);
  76
  77 /** @memo Write a 32-bit word to the file. */
  78 U_CAPI void U_EXPORT2
  79 udata_write32(UNewDataMemory *pData, uint32_t wyde);
  80
  81 /** @memo Write a block of bytes to the file. */
  82 U_CAPI void U_EXPORT2
  83 udata_writeBlock(UNewDataMemory *pData, const void *s, int32_t length);
  84
  85 /** @memo Write a block of arbitrary padding bytes to the file. */
  86 U_CAPI void U_EXPORT2
  87 udata_writePadding(UNewDataMemory *pData, int32_t length);
  88
  89 /** @memo Write a <code>char*</code> string of platform "invariant characters" to the file. */
  90 U_CAPI void U_EXPORT2
  91 udata_writeString(UNewDataMemory *pData, const char *s, int32_t length);
  92
  93 /** @memo Write a <code>UChar*</code> string of Unicode character code units to the file. */
  94 U_CAPI void U_EXPORT2
  95 udata_writeUString(UNewDataMemory *pData, const UChar *s, int32_t length);
  96
  97
  98 /*
  99  * Hey, Emacs, please set the following:
 100  *
 101  * Local Variables:
 102  * indent-tabs-mode: nil
 103  * End:
 104  *
 105  */
 106
 107 #endif