From 5d0979480ff50390b3883795ec2093e0d3d6193b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Mon, 22 Aug 2022 22:22:29 +0200
Subject: Open episodes without Prolog.

---
 c/ext.cpp | 132 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 c/ext.cpp

(limited to 'c/ext.cpp')

diff --git a/c/ext.cpp b/c/ext.cpp
new file mode 100644
index 0000000..f485dce
--- /dev/null
+++ b/c/ext.cpp
@@ -0,0 +1,132 @@
+#include <ctype.h>
+#include <string>
+#include <string_view>
+
+#include "data.h"
+
+extern CfgA& g_cfg;
+extern FileView<ElvDataA> g_fvElv;
+extern FileView<DlvDataA> g_fvDlv;
+
+void OpenOnline(int iEp)
+{
+	wchar_t url[sizeof(g_cfg.url)+4];
+	Swprintf(url, L"%s%d", g_cfg.url, iEp);
+	INT_PTR r = reinterpret_cast<INT_PTR>(
+	    ShellExecute(nullptr, L"open", url, nullptr, nullptr, SW_SHOWNORMAL));
+	if (r <= 32)
+		throw Win32Error();
+}
+
+void OpenWiki(int iEp)
+{
+	const DlvDataA& d = g_fvDlv.At(iEp-1);
+	wchar_t url[sizeof(d.wiki)+35];
+	Swprintf(url, L"https://www.detectiveconanworld.com%s", d.wiki);
+	INT_PTR r = reinterpret_cast<INT_PTR>(
+	    ShellExecute(nullptr, L"open", url, nullptr, nullptr, SW_SHOWNORMAL));
+	if (r <= 32)
+		throw Win32Error();
+}
+
+static inline bool MatchFileName(wchar_t (&file)[MAX_PATH], const wchar_t* const siEp) noexcept
+{
+	/* This is a hand-written parser that matches file names of
+	 * the type "Detective Conan - 010.mkv". */
+
+	wchar_t* f = file;
+
+	/* Match Detective Conan prefix. */
+	if (*f != L'D' && *f != L'd')
+		return false;
+	f++;
+
+	if (wcsncmp(f, L"etective", 8) != 0)
+		return false;
+	f += 8;
+
+	if (*f != L' ' && *f != L'_' && *f != L'-')
+		return false;
+	f++;
+
+	if (*f != L'C' && *f != L'c')
+		return false;
+	f++;
+
+	if (wcsncmp(f, L"onan", 4) != 0)
+		return false;
+	f += 4;
+
+	/* Match garbage before episode number. */
+	while (*f == L' ' || *f == L'_' || *f == L'-' || *f == L'0')
+		f++;
+
+	/* Match episode number. */
+	size_t lenEp = wcslen(siEp);
+	if (wcsncmp(f, siEp, lenEp) != 0)
+		return false;
+	f += lenEp;
+
+	if (isdigit(*f))
+		return false;
+
+	return true;
+}
+
+static bool FindMatchingFile(wchar_t (&file)[MAX_PATH], const wchar_t* const root,
+    const wchar_t* const siEp, const int level = 0)
+{
+	/* Don't recurse too much. */
+	if (level > 3)
+		return false;
+
+	wchar_t pat[MAX_PATH];
+	Swprintf(pat, L"%s\\*", root);
+
+	WIN32_FIND_DATA fdata;
+	HANDLE hf = FindFirstFile(pat, &fdata);
+	if (hf == INVALID_HANDLE_VALUE)
+		throw Win32Error().what();
+
+	do {
+		if (fdata.cFileName[0] == L'.')
+			continue;
+		if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
+			/* Recurse into directory. */
+			wchar_t root2[MAX_PATH];
+			Swprintf(root2, L"%s\\%s", root, fdata.cFileName);
+			try {
+				if (FindMatchingFile(file, root2, siEp, level+1))
+					return true;
+			} catch (...) {
+				FindClose(hf);
+				throw;
+			}
+		}
+		else	/* Try to match file name. */
+			if (MatchFileName(fdata.cFileName, siEp)) {
+				Swprintf(file, L"%s\\%s", root, fdata.cFileName);
+				return true;
+			}
+	} while (FindNextFile(hf, &fdata));
+
+	DWORD e = GetLastError();
+	FindClose(hf);
+	if (e != ERROR_NO_MORE_FILES)
+		throw Win32Error(e);
+
+	return false;
+}
+
+bool OpenLocally(int iEp)
+{
+	wchar_t file[MAX_PATH];
+	if (FindMatchingFile(file, g_cfg.root, g_fvElv.At(iEp-1).siEp)) {
+		INT_PTR r = reinterpret_cast<INT_PTR>(
+		    ShellExecute(nullptr, L"open", file, nullptr, nullptr, SW_SHOWNORMAL));
+		if (r <= 32)
+			throw Win32Error();
+		return true;
+	} else
+		return false;
+}
-- 
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