Files
@ r23068:3f6d98eba246
Branch filter:
Location: cpp/openttd-patchpack/source/src/textfile_gui.cpp - annotation
r23068:3f6d98eba246
12.5 KiB
text/x-c
Fix: Spelling in code comment (#6984)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 | r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21383:942c32fb8b0e r21383:942c32fb8b0e r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r20287:5b9a8691769e r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20280:ca1fc41725ff r20283:2a199c78224c r19064:0f7af43d9a9f r19745:d8f95208ad9e r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20280:ca1fc41725ff r19064:0f7af43d9a9f r20280:ca1fc41725ff r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20280:ca1fc41725ff r19538:eae5e3a9ba25 r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20881:9124e77213d8 r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20772:bf3b8b08485d r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r20422:8dfeb5e16301 r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r22201:5ce5b50935d0 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r19064:0f7af43d9a9f r20772:bf3b8b08485d r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r21880:60e79770a988 r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r21881:ffab6be98f94 r21880:60e79770a988 r21880:60e79770a988 r21881:ffab6be98f94 r21880:60e79770a988 r21881:ffab6be98f94 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19064:0f7af43d9a9f r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r19067:8b759022e9ee r21879:caf71a58a412 r21879:caf71a58a412 r21880:60e79770a988 r21880:60e79770a988 r21880:60e79770a988 r21881:ffab6be98f94 r21881:ffab6be98f94 r21881:ffab6be98f94 r21879:caf71a58a412 r21879:caf71a58a412 r21879:caf71a58a412 r21879:caf71a58a412 r21879:caf71a58a412 r19067:8b759022e9ee r21879:caf71a58a412 r21879:caf71a58a412 r19067:8b759022e9ee r21879:caf71a58a412 r21879:caf71a58a412 r21879:caf71a58a412 r21879:caf71a58a412 r19067:8b759022e9ee | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file textfile_gui.cpp Implementation of textfile window. */
#include "stdafx.h"
#include "fileio_func.h"
#include "fontcache.h"
#include "gfx_type.h"
#include "gfx_func.h"
#include "string_func.h"
#include "textfile_gui.h"
#include "widgets/misc_widget.h"
#include "table/strings.h"
#if defined(WITH_ZLIB)
#include <zlib.h>
#endif
#if defined(WITH_LZMA)
#include <lzma.h>
#endif
#include "safeguards.h"
/** Widgets for the textfile window. */
static const NWidgetPart _nested_textfile_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
NWidget(WWT_CAPTION, COLOUR_MAUVE, WID_TF_CAPTION), SetDataTip(STR_NULL, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_TEXTBTN, COLOUR_MAUVE, WID_TF_WRAPTEXT), SetDataTip(STR_TEXTFILE_WRAP_TEXT, STR_TEXTFILE_WRAP_TEXT_TOOLTIP),
NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_PANEL, COLOUR_MAUVE, WID_TF_BACKGROUND), SetMinimalSize(200, 125), SetResize(1, 12), SetScrollbar(WID_TF_VSCROLLBAR),
EndContainer(),
NWidget(NWID_VERTICAL),
NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_TF_VSCROLLBAR),
EndContainer(),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(NWID_HSCROLLBAR, COLOUR_MAUVE, WID_TF_HSCROLLBAR),
NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
EndContainer(),
};
/** Window definition for the textfile window */
static WindowDesc _textfile_desc(
WDP_CENTER, "textfile", 630, 460,
WC_TEXTFILE, WC_NONE,
0,
_nested_textfile_widgets, lengthof(_nested_textfile_widgets)
);
TextfileWindow::TextfileWindow(TextfileType file_type) : Window(&_textfile_desc), file_type(file_type)
{
this->CreateNestedTree();
this->vscroll = this->GetScrollbar(WID_TF_VSCROLLBAR);
this->hscroll = this->GetScrollbar(WID_TF_HSCROLLBAR);
this->FinishInitNested();
this->GetWidget<NWidgetCore>(WID_TF_CAPTION)->SetDataTip(STR_TEXTFILE_README_CAPTION + file_type, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS);
this->hscroll->SetStepSize(10); // Speed up horizontal scrollbar
this->vscroll->SetStepSize(FONT_HEIGHT_MONO);
}
/* virtual */ TextfileWindow::~TextfileWindow()
{
free(this->text);
}
/**
* Get the total height of the content displayed in this window, if wrapping is disabled.
* @return the height in pixels
*/
uint TextfileWindow::GetContentHeight()
{
int max_width = this->GetWidget<NWidgetCore>(WID_TF_BACKGROUND)->current_x - WD_FRAMETEXT_LEFT - WD_FRAMERECT_RIGHT;
uint height = 0;
for (uint i = 0; i < this->lines.Length(); i++) {
height += GetStringHeight(this->lines[i], max_width, FS_MONO);
}
return height;
}
/* virtual */ void TextfileWindow::UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
{
switch (widget) {
case WID_TF_BACKGROUND:
resize->height = 1;
size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING; // At least 4 lines are visible.
size->width = max(200u, size->width); // At least 200 pixels wide.
break;
}
}
/** Set scrollbars to the right lengths. */
void TextfileWindow::SetupScrollbars()
{
if (IsWidgetLowered(WID_TF_WRAPTEXT)) {
this->vscroll->SetCount(this->GetContentHeight());
this->hscroll->SetCount(0);
} else {
uint max_length = 0;
for (uint i = 0; i < this->lines.Length(); i++) {
max_length = max(max_length, GetStringBoundingBox(this->lines[i], FS_MONO).width);
}
this->vscroll->SetCount(this->lines.Length() * FONT_HEIGHT_MONO);
this->hscroll->SetCount(max_length + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
}
this->SetWidgetDisabledState(WID_TF_HSCROLLBAR, IsWidgetLowered(WID_TF_WRAPTEXT));
}
/* virtual */ void TextfileWindow::OnClick(Point pt, int widget, int click_count)
{
switch (widget) {
case WID_TF_WRAPTEXT:
this->ToggleWidgetLoweredState(WID_TF_WRAPTEXT);
this->SetupScrollbars();
this->InvalidateData();
break;
}
}
/* virtual */ void TextfileWindow::DrawWidget(const Rect &r, int widget) const
{
if (widget != WID_TF_BACKGROUND) return;
const int x = r.left + WD_FRAMETEXT_LEFT;
const int y = r.top + WD_FRAMETEXT_TOP;
const int right = r.right - WD_FRAMETEXT_RIGHT;
const int bottom = r.bottom - WD_FRAMETEXT_BOTTOM;
DrawPixelInfo new_dpi;
if (!FillDrawPixelInfo(&new_dpi, x, y, right - x + 1, bottom - y + 1)) return;
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &new_dpi;
/* Draw content (now coordinates given to DrawString* are local to the new clipping region). */
int line_height = FONT_HEIGHT_MONO;
int y_offset = -this->vscroll->GetPosition();
for (uint i = 0; i < this->lines.Length(); i++) {
if (IsWidgetLowered(WID_TF_WRAPTEXT)) {
y_offset = DrawStringMultiLine(0, right - x, y_offset, bottom - y, this->lines[i], TC_WHITE, SA_TOP | SA_LEFT, false, FS_MONO);
} else {
DrawString(-this->hscroll->GetPosition(), right - x, y_offset, this->lines[i], TC_WHITE, SA_TOP | SA_LEFT, false, FS_MONO);
y_offset += line_height; // margin to previous element
}
}
_cur_dpi = old_dpi;
}
/* virtual */ void TextfileWindow::OnResize()
{
this->vscroll->SetCapacityFromWidget(this, WID_TF_BACKGROUND, TOP_SPACING + BOTTOM_SPACING);
this->hscroll->SetCapacityFromWidget(this, WID_TF_BACKGROUND);
this->SetupScrollbars();
}
/* virtual */ void TextfileWindow::Reset()
{
this->search_iterator = 0;
}
/* virtual */ FontSize TextfileWindow::DefaultSize()
{
return FS_MONO;
}
/* virtual */ const char *TextfileWindow::NextString()
{
if (this->search_iterator >= this->lines.Length()) return NULL;
return this->lines[this->search_iterator++];
}
/* virtual */ bool TextfileWindow::Monospace()
{
return true;
}
/* virtual */ void TextfileWindow::SetFontNames(FreeTypeSettings *settings, const char *font_name)
{
#ifdef WITH_FREETYPE
strecpy(settings->mono.font, font_name, lastof(settings->mono.font));
#endif /* WITH_FREETYPE */
}
#if defined(WITH_ZLIB)
/**
* Do an in-memory gunzip operation. This works on a raw deflate stream,
* or a file with gzip or zlib header.
* @param bufp A pointer to a buffer containing the input data. This
* buffer will be freed and replaced by a buffer containing
* the uncompressed data.
* @param sizep A pointer to the buffer size. Before the call, the value
* pointed to should contain the size of the input buffer.
* After the call, it contains the size of the uncompressed
* data.
*
* When decompressing fails, *bufp is set to NULL and *sizep to 0. The
* compressed buffer passed in is still freed in this case.
*/
static void Gunzip(byte **bufp, size_t *sizep)
{
static const int BLOCKSIZE = 8192;
byte *buf = NULL;
size_t alloc_size = 0;
z_stream z;
int res;
memset(&z, 0, sizeof(z));
z.next_in = *bufp;
z.avail_in = (uInt)*sizep;
/* window size = 15, add 32 to enable gzip or zlib header processing */
res = inflateInit2(&z, 15 + 32);
/* Z_BUF_ERROR just means we need more space */
while (res == Z_OK || (res == Z_BUF_ERROR && z.avail_out == 0)) {
/* When we get here, we're either just starting, or
* inflate is out of output space - allocate more */
alloc_size += BLOCKSIZE;
z.avail_out += BLOCKSIZE;
buf = ReallocT(buf, alloc_size);
z.next_out = buf + alloc_size - z.avail_out;
res = inflate(&z, Z_FINISH);
}
free(*bufp);
inflateEnd(&z);
if (res == Z_STREAM_END) {
*bufp = buf;
*sizep = alloc_size - z.avail_out;
} else {
/* Something went wrong */
*bufp = NULL;
*sizep = 0;
free(buf);
}
}
#endif
#if defined(WITH_LZMA)
/**
* Do an in-memory xunzip operation. This works on a .xz or (legacy)
* .lzma file.
* @param bufp A pointer to a buffer containing the input data. This
* buffer will be freed and replaced by a buffer containing
* the uncompressed data.
* @param sizep A pointer to the buffer size. Before the call, the value
* pointed to should contain the size of the input buffer.
* After the call, it contains the size of the uncompressed
* data.
*
* When decompressing fails, *bufp is set to NULL and *sizep to 0. The
* compressed buffer passed in is still freed in this case.
*/
static void Xunzip(byte **bufp, size_t *sizep)
{
static const int BLOCKSIZE = 8192;
byte *buf = NULL;
size_t alloc_size = 0;
lzma_stream z = LZMA_STREAM_INIT;
int res;
z.next_in = *bufp;
z.avail_in = *sizep;
res = lzma_auto_decoder(&z, UINT64_MAX, LZMA_CONCATENATED);
/* Z_BUF_ERROR just means we need more space */
while (res == LZMA_OK || (res == LZMA_BUF_ERROR && z.avail_out == 0)) {
/* When we get here, we're either just starting, or
* inflate is out of output space - allocate more */
alloc_size += BLOCKSIZE;
z.avail_out += BLOCKSIZE;
buf = ReallocT(buf, alloc_size);
z.next_out = buf + alloc_size - z.avail_out;
res = lzma_code(&z, LZMA_FINISH);
}
free(*bufp);
lzma_end(&z);
if (res == LZMA_STREAM_END) {
*bufp = buf;
*sizep = alloc_size - z.avail_out;
} else {
/* Something went wrong */
*bufp = NULL;
*sizep = 0;
free(buf);
}
}
#endif
/**
* Loads the textfile text from file and setup #lines.
*/
/* virtual */ void TextfileWindow::LoadTextfile(const char *textfile, Subdirectory dir)
{
if (textfile == NULL) return;
this->lines.Clear();
/* Get text from file */
size_t filesize;
FILE *handle = FioFOpenFile(textfile, "rb", dir, &filesize);
if (handle == NULL) return;
this->text = ReallocT(this->text, filesize);
size_t read = fread(this->text, 1, filesize, handle);
fclose(handle);
if (read != filesize) return;
#if defined(WITH_ZLIB) || defined(WITH_LZMA)
const char *suffix = strrchr(textfile, '.');
if (suffix == NULL) return;
#endif
#if defined(WITH_ZLIB)
/* In-place gunzip */
if (strcmp(suffix, ".gz") == 0) Gunzip((byte**)&this->text, &filesize);
#endif
#if defined(WITH_LZMA)
/* In-place xunzip */
if (strcmp(suffix, ".xz") == 0) Xunzip((byte**)&this->text, &filesize);
#endif
if (!this->text) return;
/* Add space for trailing \0 */
this->text = ReallocT(this->text, filesize + 1);
this->text[filesize] = '\0';
/* Replace tabs and line feeds with a space since str_validate removes those. */
for (char *p = this->text; *p != '\0'; p++) {
if (*p == '\t' || *p == '\r') *p = ' ';
}
/* Check for the byte-order-mark, and skip it if needed. */
char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
/* Make sure the string is a valid UTF-8 sequence. */
str_validate(p, this->text + filesize, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
/* Split the string on newlines. */
*this->lines.Append() = p;
for (; *p != '\0'; p++) {
if (*p == '\n') {
*p = '\0';
*this->lines.Append() = p + 1;
}
}
CheckForMissingGlyphs(true, this);
}
/**
* Search a textfile file next to the given content.
* @param type The type of the textfile to search for.
* @param dir The subdirectory to search in.
* @param filename The filename of the content to look for.
* @return The path to the textfile, \c NULL otherwise.
*/
const char *GetTextfile(TextfileType type, Subdirectory dir, const char *filename)
{
static const char * const prefixes[] = {
"readme",
"changelog",
"license",
};
assert_compile(lengthof(prefixes) == TFT_END);
const char *prefix = prefixes[type];
if (filename == NULL) return NULL;
static char file_path[MAX_PATH];
strecpy(file_path, filename, lastof(file_path));
char *slash = strrchr(file_path, PATHSEPCHAR);
if (slash == NULL) return NULL;
static const char * const exts[] = {
"txt",
#if defined(WITH_ZLIB)
"txt.gz",
#endif
#if defined(WITH_LZMA)
"txt.xz",
#endif
};
for (size_t i = 0; i < lengthof(exts); i++) {
seprintf(slash + 1, lastof(file_path), "%s_%s.%s", prefix, GetCurrentLanguageIsoCode(), exts[i]);
if (FioCheckFileExists(file_path, dir)) return file_path;
seprintf(slash + 1, lastof(file_path), "%s_%.2s.%s", prefix, GetCurrentLanguageIsoCode(), exts[i]);
if (FioCheckFileExists(file_path, dir)) return file_path;
seprintf(slash + 1, lastof(file_path), "%s.%s", prefix, exts[i]);
if (FioCheckFileExists(file_path, dir)) return file_path;
}
return NULL;
}
|