intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029
author: Devtools Arcadia <arcadia-devtools@yandex-team.ru> 2022-02-07 18:08:42 +0300
committer: Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> 2022-02-07 18:08:42 +0300
commit: 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
tree: e26c9fed0de5d9873cce7e00bc214573dc2195b7 /library/cpp/messagebus/www/html_output.h
download: ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz
1 files changed, 324 insertions, 0 deletions
diff --git a/library/cpp/messagebus/www/html_output.h b/library/cpp/messagebus/www/html_output.h
new file mode 100644
index 0000000000..27e77adefa
--- /dev/null
+++ b/library/cpp/messagebus/www/html_output.h
@@ -0,0 +1,324 @@
+#pragma once
+
+#include "concat_strings.h"
+
+#include <util/generic/string.h>
+#include <util/stream/output.h>
+#include <library/cpp/html/pcdata/pcdata.h>
+#include <util/system/tls.h>
+
+extern Y_POD_THREAD(IOutputStream*) HtmlOutputStreamPtr;
+
+static IOutputStream& HtmlOutputStream() {
+    Y_VERIFY(!!HtmlOutputStreamPtr);
+    return *HtmlOutputStreamPtr;
+}
+
+struct THtmlOutputStreamPushPop {
+    IOutputStream* const Prev;
+
+    THtmlOutputStreamPushPop(IOutputStream* outputStream)
+        : Prev(HtmlOutputStreamPtr)
+    {
+        HtmlOutputStreamPtr = outputStream;
+    }
+
+    ~THtmlOutputStreamPushPop() {
+        HtmlOutputStreamPtr = Prev;
+    }
+};
+
+struct TChars {
+    TString Text;
+    bool NeedEscape;
+
+    TChars(TStringBuf text)
+        : Text(text)
+        , NeedEscape(true)
+    {
+    }
+    TChars(TStringBuf text, bool escape)
+        : Text(text)
+        , NeedEscape(escape)
+    {
+    }
+    TChars(const char* text)
+        : Text(text)
+        , NeedEscape(true)
+    {
+    }
+    TChars(const char* text, bool escape)
+        : Text(text)
+        , NeedEscape(escape)
+    {
+    }
+
+    TString Escape() {
+        if (NeedEscape) {
+            return EncodeHtmlPcdata(Text);
+        } else {
+            return Text;
+        }
+    }
+};
+
+struct TAttr {
+    TString Name;
+    TString Value;
+
+    TAttr(TStringBuf name, TStringBuf value)
+        : Name(name)
+        , Value(value)
+    {
+    }
+
+    TAttr() {
+    }
+
+    bool operator!() const {
+        return !Name;
+    }
+};
+
+static inline void Doctype() {
+    HtmlOutputStream() << "<!doctype html>\n";
+}
+
+static inline void Nl() {
+    HtmlOutputStream() << "\n";
+}
+
+static inline void Sp() {
+    HtmlOutputStream() << " ";
+}
+
+static inline void Text(TStringBuf text) {
+    HtmlOutputStream() << EncodeHtmlPcdata(text);
+}
+
+static inline void Line(TStringBuf text) {
+    Text(text);
+    Nl();
+}
+
+static inline void WriteAttr(TAttr a) {
+    if (!!a) {
+        HtmlOutputStream() << " " << a.Name << "='" << EncodeHtmlPcdata(a.Value) << "'";
+    }
+}
+
+static inline void Open(TStringBuf tag, TAttr a1 = TAttr(), TAttr a2 = TAttr(), TAttr a3 = TAttr(), TAttr a4 = TAttr()) {
+    HtmlOutputStream() << "<" << tag;
+    WriteAttr(a1);
+    WriteAttr(a2);
+    WriteAttr(a3);
+    WriteAttr(a4);
+    HtmlOutputStream() << ">";
+}
+
+static inline void Open(TStringBuf tag, TStringBuf cssClass, TStringBuf id = "") {
+    Open(tag, TAttr("class", cssClass), !!id ? TAttr("id", id) : TAttr());
+}
+
+static inline void OpenBlock(TStringBuf tag, TStringBuf cssClass = "") {
+    Open(tag, cssClass);
+    Nl();
+}
+
+static inline void Close(TStringBuf tag) {
+    HtmlOutputStream() << "</" << tag << ">\n";
+}
+
+static inline void CloseBlock(TStringBuf tag) {
+    Close(tag);
+    Nl();
+}
+
+static inline void TagWithContent(TStringBuf tag, TChars content) {
+    HtmlOutputStream() << "<" << tag << ">" << content.Escape() << "</" << tag << ">";
+}
+
+static inline void BlockTagWithContent(TStringBuf tag, TStringBuf content) {
+    TagWithContent(tag, content);
+    Nl();
+}
+
+static inline void TagWithClass(TStringBuf tag, TStringBuf cssClass) {
+    Open(tag, cssClass);
+    Close(tag);
+}
+
+static inline void Hn(unsigned n, TStringBuf title) {
+    BlockTagWithContent(ConcatStrings("h", n), title);
+}
+
+static inline void Small(TStringBuf text) {
+    TagWithContent("small", text);
+}
+
+static inline void HnWithSmall(unsigned n, TStringBuf title, TStringBuf small) {
+    TString tagName = ConcatStrings("h", n);
+    Open(tagName);
+    HtmlOutputStream() << title;
+    Sp();
+    Small(small);
+    Close(tagName);
+}
+
+static inline void H1(TStringBuf title) {
+    Hn(1, title);
+}
+
+static inline void H2(TStringBuf title) {
+    Hn(2, title);
+}
+
+static inline void H3(TStringBuf title) {
+    Hn(3, title);
+}
+
+static inline void H4(TStringBuf title) {
+    Hn(4, title);
+}
+
+static inline void H5(TStringBuf title) {
+    Hn(5, title);
+}
+
+static inline void H6(TStringBuf title) {
+    Hn(6, title);
+}
+
+static inline void Pre(TStringBuf content) {
+    HtmlOutputStream() << "<pre>" << EncodeHtmlPcdata(content) << "</pre>\n";
+}
+
+static inline void Li(TStringBuf content) {
+    BlockTagWithContent("li", content);
+}
+
+static inline void LiWithClass(TStringBuf cssClass, TStringBuf content) {
+    Open("li", cssClass);
+    Text(content);
+    Close("li");
+}
+
+static inline void OpenA(TStringBuf href) {
+    Open("a", TAttr("href", href));
+}
+
+static inline void A(TStringBuf href, TStringBuf text) {
+    OpenA(href);
+    Text(text);
+    Close("a");
+}
+
+static inline void Td(TStringBuf content) {
+    TagWithContent("td", content);
+}
+
+static inline void Th(TStringBuf content, TStringBuf cssClass = "") {
+    OpenBlock("th", cssClass);
+    Text(content);
+    CloseBlock("th");
+}
+
+static inline void DivWithClassAndContent(TStringBuf cssClass, TStringBuf content) {
+    Open("div", cssClass);
+    Text(content);
+    Close("div");
+}
+
+static inline void BootstrapError(TStringBuf text) {
+    DivWithClassAndContent("alert alert-danger", text);
+}
+
+static inline void BootstrapInfo(TStringBuf text) {
+    DivWithClassAndContent("alert alert-info", text);
+}
+
+static inline void ScriptHref(TStringBuf href) {
+    Open("script",
+         TAttr("language", "javascript"),
+         TAttr("type", "text/javascript"),
+         TAttr("src", href));
+    Close("script");
+    Nl();
+}
+
+static inline void LinkStylesheet(TStringBuf href) {
+    Open("link", TAttr("rel", "stylesheet"), TAttr("href", href));
+    Close("link");
+    Nl();
+}
+
+static inline void LinkFavicon(TStringBuf href) {
+    Open("link", TAttr("rel", "shortcut icon"), TAttr("href", href));
+    Close("link");
+    Nl();
+}
+
+static inline void Title(TChars title) {
+    TagWithContent("title", title);
+    Nl();
+}
+
+static inline void Code(TStringBuf content) {
+    TagWithContent("code", content);
+}
+
+struct TTagGuard {
+    const TString TagName;
+
+    TTagGuard(TStringBuf tagName, TStringBuf cssClass, TStringBuf id = "")
+        : TagName(tagName)
+    {
+        Open(TagName, cssClass, id);
+    }
+
+    TTagGuard(TStringBuf tagName, TAttr a1 = TAttr(), TAttr a2 = TAttr(), TAttr a3 = TAttr(), TAttr a4 = TAttr())
+        : TagName(tagName)
+    {
+        Open(tagName, a1, a2, a3, a4);
+    }
+
+    ~TTagGuard() {
+        Close(TagName);
+    }
+};
+
+struct TDivGuard: public TTagGuard {
+    TDivGuard(TStringBuf cssClass, TStringBuf id = "")
+        : TTagGuard("div", cssClass, id)
+    {
+    }
+
+    TDivGuard(TAttr a1 = TAttr(), TAttr a2 = TAttr(), TAttr a3 = TAttr())
+        : TTagGuard("div", a1, a2, a3)
+    {
+    }
+};
+
+struct TAGuard {
+    TAGuard(TStringBuf href) {
+        OpenA(href);
+    }
+
+    ~TAGuard() {
+        Close("a");
+    }
+};
+
+struct TScriptFunctionGuard {
+    TTagGuard Script;
+
+    TScriptFunctionGuard()
+        : Script("script")
+    {
+        Line("$(function() {");
+    }
+
+    ~TScriptFunctionGuard() {
+        Line("});");
+    }
+};
author	Devtools Arcadia <arcadia-devtools@yandex-team.ru>	2022-02-07 18:08:42 +0300
committer	Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net>	2022-02-07 18:08:42 +0300
commit	1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
tree	e26c9fed0de5d9873cce7e00bc214573dc2195b7 /library/cpp/messagebus/www/html_output.h
download	ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz