diff options
Diffstat (limited to 'xorg-server/hw/xfree86/parser/read.c')
| -rw-r--r-- | xorg-server/hw/xfree86/parser/read.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/parser/read.c b/xorg-server/hw/xfree86/parser/read.c new file mode 100644 index 000000000..430da0a5a --- /dev/null +++ b/xorg-server/hw/xfree86/parser/read.c @@ -0,0 +1,311 @@ +/* + * + * Copyright (c) 1997 Metro Link Incorporated + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of the Metro Link shall not be + * used in advertising or otherwise to promote the sale, use or other dealings + * in this Software without prior written authorization from Metro Link. + * + */ +/* + * Copyright (c) 1997-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + + +/* View/edit this file with tab stops set to 4 */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86Parser.h" +#include "xf86tokens.h" +#include "Configint.h" + +extern LexRec val; + +static xf86ConfigSymTabRec TopLevelTab[] = +{ + {SECTION, "section"}, + {-1, ""}, +}; + +#define CLEANUP xf86freeConfig + +/* + * This function resolves name references and reports errors if the named + * objects cannot be found. + */ +static int +xf86validateConfig (XF86ConfigPtr p) +{ + if (!xf86validateScreen (p)) + return FALSE; + if (!xf86validateInput (p)) + return FALSE; + if (!xf86validateLayout (p)) + return FALSE; + + return (TRUE); +} + +XF86ConfigPtr +xf86readConfigFile (void) +{ + int token; + XF86ConfigPtr ptr = NULL; + + if ((ptr = xf86confcalloc (1, sizeof (XF86ConfigRec))) == NULL) + { + return NULL; + } + memset (ptr, 0, sizeof (XF86ConfigRec)); + + while ((token = xf86getToken (TopLevelTab)) != EOF_TOKEN) + { + switch (token) + { + case COMMENT: + ptr->conf_comment = xf86addComment(ptr->conf_comment, val.str); + break; + case SECTION: + if (xf86getSubToken (&(ptr->conf_comment)) != STRING) + { + xf86parseError (QUOTE_MSG, "Section"); + CLEANUP (ptr); + return (NULL); + } + xf86setSection (val.str); + if (xf86nameCompare (val.str, "files") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_RETURN (conf_files, xf86parseFilesSection ()); + } + else if (xf86nameCompare (val.str, "serverflags") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_RETURN (conf_flags, xf86parseFlagsSection ()); + } + else if (xf86nameCompare (val.str, "pointer") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_input_lst, xf86parsePointerSection, + XF86ConfInputPtr); + } + else if (xf86nameCompare (val.str, "videoadaptor") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_videoadaptor_lst, xf86parseVideoAdaptorSection, + XF86ConfVideoAdaptorPtr); + } + else if (xf86nameCompare (val.str, "device") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_device_lst, xf86parseDeviceSection, + XF86ConfDevicePtr); + } + else if (xf86nameCompare (val.str, "monitor") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_monitor_lst, xf86parseMonitorSection, + XF86ConfMonitorPtr); + } + else if (xf86nameCompare (val.str, "modes") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_modes_lst, xf86parseModesSection, + XF86ConfModesPtr); + } + else if (xf86nameCompare (val.str, "screen") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_screen_lst, xf86parseScreenSection, + XF86ConfScreenPtr); + } + else if (xf86nameCompare(val.str, "inputdevice") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_input_lst, xf86parseInputSection, + XF86ConfInputPtr); + } + else if (xf86nameCompare (val.str, "module") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_RETURN (conf_modules, xf86parseModuleSection ()); + } + else if (xf86nameCompare (val.str, "serverlayout") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_layout_lst, xf86parseLayoutSection, + XF86ConfLayoutPtr); + } + else if (xf86nameCompare (val.str, "vendor") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_LIST (conf_vendor_lst, xf86parseVendorSection, + XF86ConfVendorPtr); + } + else if (xf86nameCompare (val.str, "dri") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_RETURN (conf_dri, xf86parseDRISection ()); + } + else if (xf86nameCompare (val.str, "extensions") == 0) + { + xf86conffree(val.str); + val.str = NULL; + HANDLE_RETURN (conf_extensions, xf86parseExtensionsSection ()); + } + else + { + Error (INVALID_SECTION_MSG, xf86tokenString ()); + xf86conffree(val.str); + val.str = NULL; + } + break; + default: + Error (INVALID_KEYWORD_MSG, xf86tokenString ()); + xf86conffree(val.str); + val.str = NULL; + } + } + + if (xf86validateConfig (ptr)) + return (ptr); + else + { + CLEANUP (ptr); + return (NULL); + } +} + +#undef CLEANUP + +/* + * adds an item to the end of the linked list. Any record whose first field + * is a GenericListRec can be cast to this type and used with this function. + * A pointer to the head of the list is returned to handle the addition of + * the first item. + */ +GenericListPtr +xf86addListItem (GenericListPtr head, GenericListPtr new) +{ + GenericListPtr p = head; + GenericListPtr last = NULL; + + while (p) + { + last = p; + p = p->next; + } + + if (last) + { + last->next = new; + return (head); + } + else + return (new); +} + +/* + * Test if one chained list contains the other. + * In this case both list have the same endpoint (provided they don't loop) + */ +int +xf86itemNotSublist(GenericListPtr list_1, GenericListPtr list_2) +{ + GenericListPtr p = list_1; + GenericListPtr last_1 = NULL, last_2 = NULL; + + while (p) { + last_1 = p; + p = p->next; + } + + p = list_2; + while (p) { + last_2 = p; + p = p->next; + } + + return (!(last_1 == last_2)); +} + +void +xf86freeConfig (XF86ConfigPtr p) +{ + if (p == NULL) + return; + + xf86freeFiles (p->conf_files); + xf86freeModules (p->conf_modules); + xf86freeFlags (p->conf_flags); + xf86freeMonitorList (p->conf_monitor_lst); + xf86freeModesList (p->conf_modes_lst); + xf86freeVideoAdaptorList (p->conf_videoadaptor_lst); + xf86freeDeviceList (p->conf_device_lst); + xf86freeScreenList (p->conf_screen_lst); + xf86freeLayoutList (p->conf_layout_lst); + xf86freeInputList (p->conf_input_lst); + xf86freeVendorList (p->conf_vendor_lst); + xf86freeDRI (p->conf_dri); + xf86freeExtensions (p->conf_extensions); + TestFree(p->conf_comment); + + xf86conffree (p); +} |