/* * * 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 = calloc (1, sizeof (XF86ConfigRec))) == NULL) { return NULL; } 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) { free(val.str); val.str = NULL; HANDLE_RETURN (conf_files, xf86parseFilesSection ()); } else if (xf86nameCompare (val.str, "serverflags") == 0) { free(val.str); val.str = NULL; HANDLE_RETURN (conf_flags, xf86parseFlagsSection ()); } else if (xf86nameCompare (val.str, "pointer") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_input_lst, xf86parsePointerSection, XF86ConfInputPtr); } else if (xf86nameCompare (val.str, "videoadaptor") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_videoadaptor_lst, xf86parseVideoAdaptorSection, XF86ConfVideoAdaptorPtr); } else if (xf86nameCompare (val.str, "device") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_device_lst, xf86parseDeviceSection, XF86ConfDevicePtr); } else if (xf86nameCompare (val.str, "monitor") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_monitor_lst, xf86parseMonitorSection, XF86ConfMonitorPtr); } else if (xf86nameCompare (val.str, "modes") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_modes_lst, xf86parseModesSection, XF86ConfModesPtr); } else if (xf86nameCompare (val.str, "screen") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_screen_lst, xf86parseScreenSection, XF86ConfScreenPtr); } else if (xf86nameCompare(val.str, "inputdevice") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_input_lst, xf86parseInputSection, XF86ConfInputPtr); } else if (xf86nameCompare(val.str, "inputclass") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_inputclass_lst, xf86parseInputClassSection, XF86ConfInputClassPtr); } else if (xf86nameCompare (val.str, "module") == 0) { free(val.str); val.str = NULL; HANDLE_RETURN (conf_modules, xf86parseModuleSection ()); } else if (xf86nameCompare (val.str, "serverlayout") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_layout_lst, xf86parseLayoutSection, XF86ConfLayoutPtr); } else if (xf86nameCompare (val.str, "vendor") == 0) { free(val.str); val.str = NULL; HANDLE_LIST (conf_vendor_lst, xf86parseVendorSection, XF86ConfVendorPtr); } else if (xf86nameCompare (val.str, "dri") == 0) { free(val.str); val.str = NULL; HANDLE_RETURN (conf_dri, xf86parseDRISection ()); } else if (xf86nameCompare (val.str, "extensions") == 0) { free(val.str); val.str = NULL; HANDLE_RETURN (conf_extensions, xf86parseExtensionsSection ()); } else { free(val.str); val.str = NULL; Error (INVALID_SECTION_MSG, xf86tokenString ()); } break; default: free(val.str); val.str = NULL; Error (INVALID_KEYWORD_MSG, xf86tokenString ()); } } 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); free (p); }