bookmaker initial checkin

bookmaker is a tool that generates documentation
backends from a canonical markup. Documentation for
bookmaker itself is evolving at docs/usingBookmaker.bmh,
which is visible online at skia.org/user/api/bmh_usingBookmaker

Change-Id: Ic76ddf29134895b5c2ebfbc84603e40ff08caf09
Reviewed-on: https://skia-review.googlesource.com/28000
Commit-Queue: Cary Clark <caryclark@google.com>
Reviewed-by: Cary Clark <caryclark@google.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/tools/bookmaker/parserCommon.cpp b/tools/bookmaker/parserCommon.cpp
new file mode 100644
index 0000000000..cb55bcb640
--- /dev/null
+++ b/tools/bookmaker/parserCommon.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "bookmaker.h"
+
+bool ParserCommon::parseSetup(const char* path) {
+    this->reset();
+    sk_sp<SkData> data = SkData::MakeFromFileName(path);
+    if (nullptr == data.get()) {
+        SkDebugf("%s missing\n", path);
+        return false;
+    }
+    const char* rawText = (const char*) data->data();
+    bool hasCR = false;
+    size_t dataSize = data->size();
+    for (size_t index = 0; index < dataSize; ++index) {
+        if ('\r' == rawText[index]) {
+            hasCR = true;
+            break;
+        }
+    }
+    string name(path);
+    if (hasCR) {
+        vector<char> lfOnly;
+        for (size_t index = 0; index < dataSize; ++index) {
+            char ch = rawText[index];
+            if ('\r' == rawText[index]) {
+                ch = '\n';
+                if ('\n' == rawText[index + 1]) {
+                    ++index;
+                }
+            }
+            lfOnly.push_back(ch);
+        }
+        fLFOnly[name] = lfOnly;
+        dataSize = lfOnly.size();
+        rawText = &fLFOnly[name].front();
+    }
+    fRawData[name] = data;
+    fStart = rawText;
+    fLine = rawText;
+    fChar = rawText;
+    fEnd = rawText + dataSize;
+    fFileName = string(path);
+    fLineCount = 1;
+    return true;
+}