[6bec10c] | 1 | /* cavernlog.cc |
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| 2 | * Run cavern inside an Aven window |
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| 3 | * |
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[6f8cb1c] | 4 | * Copyright (C) 2005,2006,2010,2011,2012 Olly Betts |
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[6bec10c] | 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation; either version 2 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |
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| 21 | #ifdef HAVE_CONFIG_H |
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| 22 | # include <config.h> |
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| 23 | #endif |
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| 24 | |
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| 25 | #include "aven.h" |
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| 26 | #include "cavernlog.h" |
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| 27 | #include "filename.h" |
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[fb5887c] | 28 | #include "mainfrm.h" |
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[6bec10c] | 29 | #include "message.h" |
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| 30 | |
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[baeae66] | 31 | #include <errno.h> |
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[6bec10c] | 32 | #include <stdio.h> |
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[a90632c] | 33 | #include <stdlib.h> |
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[6bec10c] | 34 | |
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| 35 | // For select(): |
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| 36 | #ifdef HAVE_SYS_SELECT_H |
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| 37 | #include <sys/select.h> |
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| 38 | #endif |
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| 39 | #include <sys/time.h> |
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| 40 | #include <sys/types.h> |
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| 41 | #include <unistd.h> |
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| 42 | |
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[81e1aa4] | 43 | enum { LOG_REPROCESS = 1234 }; |
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[fb5887c] | 44 | |
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| 45 | BEGIN_EVENT_TABLE(CavernLogWindow, wxHtmlWindow) |
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[81e1aa4] | 46 | EVT_BUTTON(LOG_REPROCESS, CavernLogWindow::OnReprocess) |
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[fb5887c] | 47 | EVT_BUTTON(wxID_OK, CavernLogWindow::OnOK) |
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| 48 | END_EVENT_TABLE() |
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| 49 | |
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[6bec10c] | 50 | static wxString escape_for_shell(wxString s, bool protect_dash = false) |
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| 51 | { |
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| 52 | size_t p = 0; |
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| 53 | #ifdef __WXMSW__ |
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| 54 | bool needs_quotes = false; |
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| 55 | while (p < s.size()) { |
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[eff69a7] | 56 | wxChar ch = s[p]; |
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| 57 | if (ch < 127) { |
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| 58 | if (ch == wxT('"')) { |
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[6baad4a] | 59 | s.insert(p, 1, wxT('\\')); |
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[eff69a7] | 60 | ++p; |
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| 61 | needs_quotes = true; |
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| 62 | } else if (strchr(" <>&|^", ch)) { |
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| 63 | needs_quotes = true; |
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| 64 | } |
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[6bec10c] | 65 | } |
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| 66 | ++p; |
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| 67 | } |
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| 68 | if (needs_quotes) { |
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[6baad4a] | 69 | s.insert(0u, 1, wxT('"')); |
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[15322f2] | 70 | s += wxT('"'); |
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[6bec10c] | 71 | } |
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| 72 | #else |
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| 73 | if (protect_dash && !s.empty() && s[0u] == '-') { |
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| 74 | // If the filename starts with a '-', protect it from being |
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| 75 | // treated as an option by prepending "./". |
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[5627cbb] | 76 | s.insert(0, wxT("./")); |
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[6bec10c] | 77 | p = 2; |
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| 78 | } |
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| 79 | while (p < s.size()) { |
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| 80 | // Exclude a few safe characters which are common in filenames |
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| 81 | if (!isalnum(s[p]) && strchr("/._-", s[p]) == NULL) { |
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[6baad4a] | 82 | s.insert(p, 1, wxT('\\')); |
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[6bec10c] | 83 | ++p; |
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| 84 | } |
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| 85 | ++p; |
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| 86 | } |
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| 87 | #endif |
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| 88 | return s; |
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| 89 | } |
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| 90 | |
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[fb5887c] | 91 | CavernLogWindow::CavernLogWindow(MainFrm * mainfrm_, wxWindow * parent) |
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| 92 | : wxHtmlWindow(parent), mainfrm(mainfrm_) |
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| 93 | { |
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[93ff5cc] | 94 | int fsize = parent->GetFont().GetPointSize(); |
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| 95 | int sizes[7] = { fsize, fsize, fsize, fsize, fsize, fsize, fsize }; |
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[5627cbb] | 96 | SetFonts(wxString(), wxString(), sizes); |
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[93ff5cc] | 97 | } |
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| 98 | |
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[6bec10c] | 99 | void |
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| 100 | CavernLogWindow::OnLinkClicked(const wxHtmlLinkInfo &link) |
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| 101 | { |
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| 102 | wxString href = link.GetHref(); |
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| 103 | wxString title = link.GetTarget(); |
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[5627cbb] | 104 | size_t colon = href.rfind(wxT(':')); |
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[6bec10c] | 105 | if (colon != wxString::npos) { |
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[da96015] | 106 | size_t colon2 = href.rfind(wxT(':'), colon - 1); |
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| 107 | if (colon2 != wxString::npos) swap(colon, colon2); |
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[6bec10c] | 108 | #ifdef __WXMSW__ |
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[5627cbb] | 109 | wxString cmd = wxT("notepad $f"); |
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[89a1b72] | 110 | #elif defined __WXMAC__ |
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| 111 | wxString cmd = wxT("open -t $f"); |
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[6bec10c] | 112 | #else |
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[a91c2b0] | 113 | wxString cmd = wxT("x-terminal-emulator -title $t -e vim +'call cursor($l,$c)' $f"); |
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[da96015] | 114 | // wxString cmd = wxT("gedit -b $f +$l:$c $f"); |
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| 115 | // wxString cmd = wxT("x-terminal-emulator -title $t -e emacs +$l $f"); |
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| 116 | // wxString cmd = wxT("x-terminal-emulator -title $t -e nano +$l $f"); |
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| 117 | // wxString cmd = wxT("x-terminal-emulator -title $t -e jed -g $l $f"); |
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[6bec10c] | 118 | #endif |
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[5627cbb] | 119 | const char * p = getenv("SURVEXEDITOR"); |
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[6bec10c] | 120 | if (p) { |
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[5627cbb] | 121 | cmd = wxString(p, wxConvUTF8); |
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| 122 | if (!cmd.find(wxT("$f"))) { |
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| 123 | cmd += wxT(" $f"); |
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[6bec10c] | 124 | } |
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| 125 | } |
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| 126 | size_t i = 0; |
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[5627cbb] | 127 | while ((i = cmd.find(wxT('$'), i)) != wxString::npos) { |
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[6bec10c] | 128 | if (++i >= cmd.size()) break; |
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[e144af3] | 129 | switch ((int)cmd[i]) { |
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[1d71195] | 130 | case wxT('$'): |
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| 131 | cmd.erase(i, 1); |
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| 132 | break; |
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| 133 | case wxT('f'): { |
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| 134 | wxString f = escape_for_shell(href.substr(0, colon), true); |
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| 135 | cmd.replace(i - 1, 2, f); |
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| 136 | i += f.size() - 1; |
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| 137 | break; |
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[6bec10c] | 138 | } |
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[1d71195] | 139 | case wxT('t'): { |
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| 140 | wxString t = escape_for_shell(title); |
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| 141 | cmd.replace(i - 1, 2, t); |
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| 142 | i += t.size() - 1; |
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| 143 | break; |
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| 144 | } |
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| 145 | case wxT('l'): { |
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[da96015] | 146 | wxString l = escape_for_shell(href.substr(colon + 1, colon2 - colon - 1)); |
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| 147 | cmd.replace(i - 1, 2, l); |
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| 148 | i += l.size() - 1; |
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| 149 | break; |
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| 150 | } |
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| 151 | case wxT('c'): { |
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| 152 | wxString l; |
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| 153 | if (colon2 == wxString::npos) |
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| 154 | l = wxT("0"); |
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| 155 | else |
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| 156 | l = escape_for_shell(href.substr(colon2 + 1)); |
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[1d71195] | 157 | cmd.replace(i - 1, 2, l); |
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| 158 | i += l.size() - 1; |
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| 159 | break; |
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| 160 | } |
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| 161 | default: |
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| 162 | ++i; |
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| 163 | } |
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[6bec10c] | 164 | } |
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[fc364dc] | 165 | #ifdef __WXMSW__ |
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| 166 | _wsystem(cmd.c_str()); |
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| 167 | #else |
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[ffe7efe4] | 168 | system(cmd.mb_str()); |
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[fc364dc] | 169 | #endif |
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[6bec10c] | 170 | } |
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| 171 | } |
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| 172 | |
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[5627cbb] | 173 | int |
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[6bec10c] | 174 | CavernLogWindow::process(const wxString &file) |
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| 175 | { |
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[fb5887c] | 176 | SetFocus(); |
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| 177 | filename = file; |
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| 178 | |
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[6bec10c] | 179 | #ifdef __WXMSW__ |
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[15322f2] | 180 | SetEnvironmentVariable(wxT("SURVEX_UTF8"), wxT("1")); |
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[6bec10c] | 181 | #else |
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[06b1227] | 182 | setenv("SURVEX_UTF8", "1", 1); |
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[6bec10c] | 183 | #endif |
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[93ff5cc] | 184 | |
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[6bec10c] | 185 | wxString escaped_file = escape_for_shell(file, true); |
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[a90632c] | 186 | #ifdef __WXMSW__ |
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| 187 | wxString cmd; |
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[9e50f755] | 188 | { |
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[6baad4a] | 189 | DWORD len = 256; |
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[6f8cb1c] | 190 | wchar_t *buf = NULL; |
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[6baad4a] | 191 | while (1) { |
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| 192 | DWORD got; |
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| 193 | buf = (wchar_t*)osrealloc(buf, len * 2); |
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| 194 | got = GetModuleFileNameW(NULL, buf, len); |
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| 195 | if (got < len) break; |
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| 196 | len += len; |
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| 197 | } |
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| 198 | /* Strange Win32 nastiness - strip prefix "\\?\" if present */ |
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| 199 | if (wcsncmp(buf, L"\\\\?\\", 4) == 0) buf += 4; |
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| 200 | wchar_t * slash = wcsrchr(buf, L'\\'); |
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[9e50f755] | 201 | if (slash) { |
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[6baad4a] | 202 | cmd.assign(buf, slash - buf + 1); |
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[9e50f755] | 203 | } |
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[a90632c] | 204 | } |
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| 205 | cmd += L"cavern"; |
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[9e50f755] | 206 | cmd = escape_for_shell(cmd, false); |
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[a90632c] | 207 | #else |
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| 208 | char *cavern = use_path(msg_exepth(), "cavern"); |
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[2e4b8cd] | 209 | wxString cmd = escape_for_shell(wxString(cavern, wxConvUTF8), false); |
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[08b4401] | 210 | osfree(cavern); |
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[a90632c] | 211 | #endif |
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[5627cbb] | 212 | cmd += wxT(" -o "); |
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[6bec10c] | 213 | cmd += escaped_file; |
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[5627cbb] | 214 | cmd += wxT(' '); |
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[6bec10c] | 215 | cmd += escaped_file; |
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| 216 | |
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[fc364dc] | 217 | #ifdef __WXMSW__ |
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| 218 | FILE * cavern_out = _wpopen(cmd.c_str(), L"r"); |
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| 219 | #else |
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[ffe7efe4] | 220 | FILE * cavern_out = popen(cmd.mb_str(), "r"); |
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[fc364dc] | 221 | #endif |
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[6bec10c] | 222 | if (!cavern_out) { |
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[5627cbb] | 223 | wxString m; |
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[ee7511a] | 224 | m.Printf(wmsg(/*Couldn’t open pipe: “%s”*/17), cmd.c_str()); |
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[5627cbb] | 225 | m += wxT(" ("); |
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[2e4b8cd] | 226 | m += wxString(strerror(errno), wxConvUTF8); |
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[5627cbb] | 227 | m += wxT(')'); |
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[6bec10c] | 228 | wxGetApp().ReportError(m); |
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[5627cbb] | 229 | return -2; |
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[6bec10c] | 230 | } |
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| 231 | |
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| 232 | int cavern_fd; |
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| 233 | #ifdef __WXMSW__ |
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| 234 | cavern_fd = _fileno(cavern_out); |
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| 235 | #else |
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| 236 | cavern_fd = fileno(cavern_out); |
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| 237 | #endif |
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| 238 | assert(cavern_fd < FD_SETSIZE); // FIXME we shouldn't just assert, but what else to do? |
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| 239 | wxString cur; |
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[5627cbb] | 240 | int link_count = 0; |
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[6bec10c] | 241 | // We're only guaranteed one character of pushback by ungetc() but we |
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| 242 | // need two so for portability we implement the second ourselves. |
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| 243 | int left = EOF; |
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| 244 | while (!feof(cavern_out)) { |
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| 245 | fd_set rfds, efds; |
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| 246 | FD_ZERO(&rfds); |
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| 247 | FD_SET(cavern_fd, &rfds); |
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| 248 | FD_ZERO(&efds); |
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| 249 | FD_SET(cavern_fd, &efds); |
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[1e2499c] | 250 | // Timeout instantly. |
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[6bec10c] | 251 | struct timeval timeout; |
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| 252 | timeout.tv_sec = 0; |
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[1e2499c] | 253 | timeout.tv_usec = 0; |
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[6bec10c] | 254 | if (select(cavern_fd + 1, &rfds, NULL, &efds, &timeout) == 0) { |
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[1e2499c] | 255 | Update(); |
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| 256 | FD_SET(cavern_fd, &rfds); |
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| 257 | FD_SET(cavern_fd, &efds); |
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| 258 | // Set timeout to 0.1 seconds. |
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| 259 | timeout.tv_sec = 0; |
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| 260 | timeout.tv_usec = 100000; |
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| 261 | if (select(cavern_fd + 1, &rfds, NULL, &efds, &timeout) == 0) { |
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| 262 | wxYield(); |
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| 263 | continue; |
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| 264 | } |
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[6bec10c] | 265 | } |
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[6b088f6] | 266 | if (!FD_ISSET(cavern_fd, &rfds)) { |
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[6bec10c] | 267 | // Error, which pclose() should report. |
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| 268 | break; |
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| 269 | } |
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| 270 | int ch; |
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| 271 | if (left == EOF) { |
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[0a85859] | 272 | ch = GETC(cavern_out); |
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[6bec10c] | 273 | if (ch == EOF) break; |
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| 274 | } else { |
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| 275 | ch = left; |
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| 276 | left = EOF; |
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| 277 | } |
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| 278 | // Decode UTF-8 first to avoid security issues with <, >, &, etc |
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| 279 | // encoded using multibyte encodings. |
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| 280 | if (ch >= 0xc0 && ch < 0xf0) { |
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[0a85859] | 281 | int ch1 = GETC(cavern_out); |
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[6bec10c] | 282 | if ((ch1 & 0xc0) != 0x80) { |
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| 283 | left = ch1; |
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| 284 | } else if (ch < 0xe0) { |
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| 285 | /* 2 byte sequence */ |
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| 286 | ch = ((ch & 0x1f) << 6) | (ch1 & 0x3f); |
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| 287 | } else { |
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| 288 | /* 3 byte sequence */ |
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[0a85859] | 289 | int ch2 = GETC(cavern_out); |
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[6bec10c] | 290 | if ((ch2 & 0xc0) != 0x80) { |
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| 291 | ungetc(ch2, cavern_out); |
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| 292 | left = ch1; |
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| 293 | } else { |
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| 294 | ch = ((ch & 0x1f) << 12) | ((ch1 & 0x3f) << 6) | (ch2 & 0x3f); |
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| 295 | } |
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| 296 | } |
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| 297 | } |
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| 298 | |
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| 299 | switch (ch) { |
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| 300 | case '\r': |
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| 301 | // Ignore. |
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| 302 | break; |
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| 303 | case '\n': { |
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| 304 | if (cur.empty()) continue; |
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[a07ee70] | 305 | #ifndef __WXMSW__ |
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[6bec10c] | 306 | size_t colon = cur.find(':'); |
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[a07ee70] | 307 | #else |
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[6bec10c] | 308 | // If the path is "C:\path\to\file.svx" then don't split at the |
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| 309 | // : after the drive letter! FIXME: better to look for ": "? |
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[a07ee70] | 310 | size_t colon = cur.find(':', 2); |
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[6bec10c] | 311 | #endif |
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[bc8dfe7] | 312 | if (colon != wxString::npos && colon < cur.size() - 2) { |
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[a07ee70] | 313 | ++colon; |
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| 314 | size_t i = colon; |
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[bc8dfe7] | 315 | while (i < cur.size() - 2 && |
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[a07ee70] | 316 | cur[i] >= wxT('0') && cur[i] <= wxT('9')) { |
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| 317 | ++i; |
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| 318 | } |
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| 319 | if (i > colon && cur[i] == wxT(':') ) { |
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| 320 | colon = i; |
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[da96015] | 321 | // Check for column number. |
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| 322 | while (++i < cur.size() - 2 && |
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| 323 | cur[i] >= wxT('0') && cur[i] <= wxT('9')) { } |
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| 324 | if (i > colon + 1 && cur[i] == wxT(':') ) { |
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| 325 | colon = i; |
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| 326 | } |
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[5627cbb] | 327 | wxString tag = wxT("<a href=\""); |
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[a07ee70] | 328 | tag.append(cur, 0, colon); |
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| 329 | while (cur[++i] == wxT(' ')) { } |
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[5627cbb] | 330 | tag += wxT("\" target=\""); |
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[a07ee70] | 331 | tag.append(cur, i, wxString::npos); |
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[5627cbb] | 332 | tag += wxT("\">"); |
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[6bec10c] | 333 | cur.insert(0, tag); |
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[a07ee70] | 334 | cur.insert(colon + tag.size(), wxT("</a>")); |
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[5627cbb] | 335 | ++link_count; |
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[6bec10c] | 336 | } |
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| 337 | } |
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[93ff5cc] | 338 | |
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| 339 | // Save the scrollbar positions. |
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| 340 | int scroll_x = 0, scroll_y = 0; |
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| 341 | GetViewStart(&scroll_x, &scroll_y); |
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| 342 | |
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[5627cbb] | 343 | cur += wxT("<br>\n"); |
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[6bec10c] | 344 | AppendToPage(cur); |
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[93ff5cc] | 345 | |
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[5627cbb] | 346 | if (!link_count) { |
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| 347 | // Auto-scroll the window until we've reported a warning or |
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| 348 | // error. |
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| 349 | int x, y; |
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| 350 | GetVirtualSize(&x, &y); |
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| 351 | int xs, ys; |
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| 352 | GetClientSize(&xs, &ys); |
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| 353 | y -= ys; |
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| 354 | int xu, yu; |
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| 355 | GetScrollPixelsPerUnit(&xu, &yu); |
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[a75f5a1] | 356 | Scroll(scroll_x, y / yu); |
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| 357 | } else { |
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| 358 | // Restore the scrollbar positions. |
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| 359 | Scroll(scroll_x, scroll_y); |
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[5627cbb] | 360 | } |
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[a75f5a1] | 361 | |
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[6bec10c] | 362 | cur.clear(); |
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| 363 | break; |
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| 364 | } |
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| 365 | case '<': |
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[5627cbb] | 366 | cur += wxT("<"); |
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[6bec10c] | 367 | break; |
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| 368 | case '>': |
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[5627cbb] | 369 | cur += wxT(">"); |
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[6bec10c] | 370 | break; |
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| 371 | case '&': |
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[5627cbb] | 372 | cur += wxT("&"); |
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[6bec10c] | 373 | break; |
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[77b8654] | 374 | case '"': |
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| 375 | cur += wxT(""); |
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| 376 | continue; |
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[6bec10c] | 377 | default: |
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| 378 | if (ch >= 128) { |
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[5627cbb] | 379 | cur += wxString::Format(wxT("&#%u;"), ch); |
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[6bec10c] | 380 | } else { |
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| 381 | cur += (char)ch; |
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| 382 | } |
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| 383 | } |
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| 384 | } |
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[fb5887c] | 385 | |
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[93ff5cc] | 386 | int retval = pclose(cavern_out); |
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| 387 | if (retval) { |
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[2341559] | 388 | AppendToPage(wxString::Format(wxT("<avenbutton default id=1234 name=\"%s\">"), |
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| 389 | wmsg(/*Reprocess*/184).c_str())); |
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[93ff5cc] | 390 | if (retval == -1) { |
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[5627cbb] | 391 | wxString m = wxT("Problem running cavern: "); |
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| 392 | m += wxString(strerror(errno), wxConvUTF8); |
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[93ff5cc] | 393 | wxGetApp().ReportError(m); |
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[5627cbb] | 394 | return -2; |
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[93ff5cc] | 395 | } |
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[5627cbb] | 396 | return -1; |
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[6bec10c] | 397 | } |
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[fb5887c] | 398 | if (link_count) { |
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[2341559] | 399 | AppendToPage(wxString::Format(wxT("<avenbutton id=1234 name=\"%s\">"), |
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| 400 | wmsg(/*Reprocess*/184).c_str())); |
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[fb5887c] | 401 | AppendToPage(wxString::Format(wxT("<avenbutton default id=%d>"), (int)wxID_OK)); |
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| 402 | Update(); |
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| 403 | } |
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[5627cbb] | 404 | return link_count; |
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[6bec10c] | 405 | } |
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[fb5887c] | 406 | |
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| 407 | void |
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[81e1aa4] | 408 | CavernLogWindow::OnReprocess(wxCommandEvent & e) |
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[fb5887c] | 409 | { |
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| 410 | SetPage(wxString()); |
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| 411 | if (process(filename) == 0) { |
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| 412 | OnOK(e); |
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| 413 | } |
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| 414 | } |
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| 415 | |
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| 416 | void |
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| 417 | CavernLogWindow::OnOK(wxCommandEvent &) |
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| 418 | { |
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| 419 | mainfrm->InitialiseAfterLoad(filename); |
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| 420 | } |
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