initial check in for stxtinfo, a command line program to display information about Be styled text data
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3343 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber
@@ -0,0 +1,4 @@
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SubDir OBOS_TOP src tools translation stxtinfo ;
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BinCommand stxtinfo : stxtinfo.cpp : be ;
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/*****************************************************************************/
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// stxtinfo
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// Written by Michael Wilber, OBOS Translation Kit Team
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//
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// Version:
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//
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// stxtinfo is a command line program for displaying text information about
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// Be styled text (the format that StyledEdit uses). StyledEdit stores the
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// styled text information as an attribute of the file and it is this
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// information that this program is concerned with. This format is outlined
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// in TranslatorFormats.h.
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//
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// Currently, this program can only work with files created with the
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// BTranslationUtils::PutStyledText() function. In a future version,
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// a feature may be added to extract the style information from the
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// attribute that StyledEdit uses.
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//
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// The intention of this program is to aid with the development and
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// debugging of the STXTTranslator. It may also be useful for debugging /
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// testing StyledEdit.
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//
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// This application and all source files used in its construction, except
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// where noted, are licensed under the MIT License, and have been written
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// and are:
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//
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// Copyright (c) 2003 OpenBeOS Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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/*****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ByteOrder.h>
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#include <File.h>
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#include <TranslatorFormats.h>
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#include <Font.h>
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// for B_UNICODE_UTF8
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#define max(x,y) ((x > y) ? x : y)
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#define DATA_BUFFER_SIZE 64
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struct StylesHeader {
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uint32 magic; // 41 6c 69 21
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uint32 version; // 0
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int32 count;
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};
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struct Style {
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int32 offset;
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char family[64];
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char style[64];
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float size;
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float shear; // typically 90.0
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uint16 face; // typically 0
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uint8 red;
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uint8 green;
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uint8 blue;
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uint8 alpha; // 255 == opaque
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uint16 reserved; // 0
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};
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void
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PrintStxtInfo(const char *filepath)
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{
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BFile file(filepath, B_READ_ONLY);
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if (file.InitCheck() == B_OK) {
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const uint32 kstxtsize = sizeof(TranslatorStyledTextStreamHeader);
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const uint32 ktxtsize = sizeof(TranslatorStyledTextTextHeader);
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const uint32 kstylsize = sizeof(TranslatorStyledTextStyleHeader);
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const uint32 kStyleSize = sizeof(Style);
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uint8 buffer[max(max(max(kstxtsize, ktxtsize), kstylsize), kStyleSize)];
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// Check STXT Header
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status_t nread = 0;
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nread = file.Read(buffer, kstxtsize);
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if (nread != static_cast<status_t>(kstxtsize)) {
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printf("Error: Unable to read stream header\n");
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return;
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}
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TranslatorStyledTextStreamHeader stxtheader;
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memcpy(&stxtheader, buffer, kstxtsize);
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if (swap_data(B_UINT32_TYPE, &stxtheader, kstxtsize,
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B_SWAP_BENDIAN_TO_HOST) != B_OK) {
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printf("Error: Unable to swap byte order of stream header\n");
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return;
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}
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printf("Be styled text information for: %s\n\n", filepath);
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// Print Stream Header (STXT)
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printf("Stream Header (STXT section):\n\n");
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printf("magic number: 0x%.8lx ", stxtheader.header.magic);
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if (stxtheader.header.magic == B_STYLED_TEXT_FORMAT)
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printf("(valid)\n");
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else
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printf("(INVALID, should be %.8lx)\n",
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static_cast<unsigned long>(B_STYLED_TEXT_FORMAT));
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printf("header size: %u ",
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static_cast<unsigned int>(stxtheader.header.header_size));
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if (stxtheader.header.header_size == kstxtsize)
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printf("(valid)\n");
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else
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printf("(INVALID, should be %u)\n",
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static_cast<unsigned int>(kstxtsize));
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printf("data size: %u ",
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static_cast<unsigned int>(stxtheader.header.data_size));
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if (stxtheader.header.data_size == 0)
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printf("(valid)\n");
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else
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printf("(INVALID, should be 0)\n");
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printf("version: %d ",
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static_cast<int>(stxtheader.version));
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if (stxtheader.version == 100)
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printf("(valid)\n");
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else
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printf("(INVALID, should be 100)\n");
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// Check the TEXT header
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TranslatorStyledTextTextHeader txtheader;
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if (file.Read(buffer, ktxtsize) != static_cast<ssize_t>(ktxtsize)) {
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printf("Error: Unable to read text header\n");
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return;
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}
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memcpy(&txtheader, buffer, ktxtsize);
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if (swap_data(B_UINT32_TYPE, &txtheader, ktxtsize,
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B_SWAP_BENDIAN_TO_HOST) != B_OK) {
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printf("Error: Unable to swap byte order of text header\n");
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return;
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}
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// Print Text Header (TEXT)
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printf("\nText Header (TEXT section):\n\n");
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printf("magic number: 0x%.8lx ", txtheader.header.magic);
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if (txtheader.header.magic == 'TEXT')
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printf("(valid)\n");
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else
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printf("(INVALID, should be %.8lx)\n",
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static_cast<unsigned long>('TEXT'));
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printf("header size: %u ",
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static_cast<unsigned int>(txtheader.header.header_size));
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if (stxtheader.header.header_size == ktxtsize)
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printf("(valid)\n");
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else
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printf("(INVALID, should be %u)\n",
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static_cast<unsigned int>(ktxtsize));
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printf("data size (bytes of text): %u\n",
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static_cast<unsigned int>(txtheader.header.data_size));
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printf("character set: %d ",
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static_cast<int>(txtheader.charset));
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if (txtheader.charset == B_UNICODE_UTF8)
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printf("(valid)\n");
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else
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printf("(INVALID, should be %d)\n", B_UNICODE_UTF8);
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// Skip the text data
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off_t seekresult, pos;
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pos = stxtheader.header.header_size +
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txtheader.header.header_size +
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txtheader.header.data_size;
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seekresult = file.Seek(txtheader.header.data_size, SEEK_CUR);
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if (seekresult < pos) {
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printf("Error: Unable to seek past text data. " \
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"Text data could be missing\n");
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return;
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}
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if (seekresult > pos) {
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printf("Error: File position is beyond expected value\n");
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return;
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}
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// Check the STYL header (not all STXT files have this)
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ssize_t read = 0;
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TranslatorStyledTextStyleHeader stylheader;
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read = file.Read(buffer, kstylsize);
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if (read != static_cast<ssize_t>(kstylsize) && read != 0) {
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printf("Error: Unable to read entire style header\n");
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return;
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}
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// If there is no STYL header (and no errors)
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if (read != static_cast<ssize_t>(kstylsize)) {
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printf("\nFile contains no Style Header (STYL section)\n");
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return;
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}
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memcpy(&stylheader, buffer, kstylsize);
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if (swap_data(B_UINT32_TYPE, &stylheader, kstylsize,
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B_SWAP_BENDIAN_TO_HOST) != B_OK) {
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printf("Error: Unable to swap byte order of style header\n");
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return;
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}
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// Print Style Header (STYL)
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printf("\nStyle Header (STYL section):\n\n");
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printf("magic number: 0x%.8lx ", stylheader.header.magic);
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if (stylheader.header.magic == 'STYL')
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printf("(valid)\n");
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else
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printf("(INVALID, should be %.8lx)\n",
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static_cast<unsigned long>('STYL'));
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printf("header size: %u ",
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static_cast<unsigned int>(stylheader.header.header_size));
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if (stylheader.header.header_size == kstylsize)
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printf("(valid)\n");
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else
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printf("(INVALID, should be %u)\n",
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static_cast<unsigned int>(kstylsize));
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printf("data size: %u\n",
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static_cast<unsigned int>(stylheader.header.data_size));
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printf("apply offset: %u (usually 0)\n",
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static_cast<unsigned int>(stylheader.apply_offset));
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printf("apply length: %u (usually the text data size)\n",
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static_cast<unsigned int>(stylheader.apply_length));
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// Check Styles
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StylesHeader stylesheader;
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read = file.Read(buffer, sizeof(StylesHeader));
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if (read != sizeof(StylesHeader)) {
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printf("Error: Unable to read Styles header\n");
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return;
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}
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memcpy(&stylesheader, buffer, sizeof(StylesHeader));
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if (swap_data(B_UINT32_TYPE, &stylesheader, sizeof(StylesHeader),
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B_SWAP_BENDIAN_TO_HOST) != B_OK) {
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printf("Error: Unable to swap byte order of styles header\n");
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return;
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}
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// Print StylesHeader info
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printf("\nStyles Header (Ali! section):\n\n");
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printf("magic number: 0x%.8lx ",
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static_cast<unsigned long>(stylesheader.magic));
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if (stylesheader.magic == 'Ali!')
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printf("(valid)\n");
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else
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printf("(INVALID, should be 0x%.8lx)\n",
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static_cast<unsigned long>('Ali!'));
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printf("version: 0x%.8lx ",
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static_cast<unsigned long>(stylesheader.version));
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if (stylesheader.version == 0)
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printf("(valid)\n");
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else
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printf("(INVALID, should be 0x%.8lx)\n", 0UL);
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printf("number of styles: %d\n",
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static_cast<int>(stylesheader.count));
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// Check and Print out each style
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for (int32 i = 0; i < stylesheader.count; i++) {
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Style style;
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read = file.Read(&style, sizeof(Style));
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if (read != sizeof(Style)) {
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printf("Error: Unable to read style %d\n",
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static_cast<int>(i + 1));
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return;
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}
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style.offset = B_BENDIAN_TO_HOST_INT32(style.offset);
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style.size = B_BENDIAN_TO_HOST_FLOAT(style.size);
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style.shear = B_BENDIAN_TO_HOST_FLOAT(style.shear);
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style.face = B_BENDIAN_TO_HOST_INT16(style.face);
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style.reserved = B_BENDIAN_TO_HOST_INT16(style.reserved);
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printf("\nStyle %d:\n", static_cast<int>(i + 1));
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printf("offset: %d\n", static_cast<int>(style.offset));
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printf("family: %s\n", style.family);
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printf("style: %s\n", style.style);
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printf("size: %f\n", style.size);
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printf("shear: %f (typically 90.0)\n", style.shear);
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printf("face: %u (typically 0)\n",
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static_cast<unsigned int>(style.face));
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printf("RGBA: (%u, %u, %u, %u)\n",
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static_cast<unsigned int>(style.red),
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static_cast<unsigned int>(style.blue),
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static_cast<unsigned int>(style.green),
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static_cast<unsigned int>(style.alpha));
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printf("reserved: %u (should be 0)\n",
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static_cast<unsigned int>(style.reserved));
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}
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printf("\nstxtinfo: Done! completed without errors\n");
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} else
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printf("Error opening %s\n", filepath);
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}
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int
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main(int argc, char **argv)
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{
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printf("\n");
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if (argc == 2)
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PrintStxtInfo(argv[1]);
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else {
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printf("stxtinfo - reports information about a Be styled text file\n");
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printf("\nUsage:\n");
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printf("stxtinfo filename.stxt\n\n");
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}
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return 0;
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}
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