amorfo77/inja
1
0
Fork 0
mirror of https://github.com/pantor/inja.git synced 2026-02-17 09:03:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

update single include

Browse Source
This commit is contained in:
pantor
2020-06-27 14:05:59 +02:00
parent 37697e0950
commit 9a0222f101
1 changed files with 56 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
single_include/inja/inja.hpp
View File

@@ -1604,8 +1604,7 @@ struct Bytecode {
// start loop
// value popped off stack is what is iterated over
// args is index of bytecode after end loop (jumped to if iterable is
// empty)
// args is index of bytecode after end loop (jumped to if iterable is empty)
// immediate value is key name (for maps)
// str is value name
StartLoop,
@@ -1990,9 +1989,10 @@ public:
m_tok_start = m_pos;
again:
if (m_tok_start >= m_in.size())
if (m_tok_start >= m_in.size()) {
return make_token(Token::Kind::Eof);
}
switch (m_state) {
default:
case State::Text: {
@@ -2082,8 +2082,9 @@ private:
Token scan_body(nonstd::string_view close, Token::Kind closeKind, bool trim = false) {
again:
// skip whitespace (except for \n as it might be a close)
if (m_tok_start >= m_in.size())
if (m_tok_start >= m_in.size()) {
return make_token(Token::Kind::Eof);
}
char ch = m_in[m_tok_start];
if (ch == ' ' || ch == '\t' || ch == '\r') {
m_tok_start += 1;
@@ -2344,25 +2345,31 @@ public:
m_static(ParserStatic::get_instance()) {}
bool parse_expression(Template &tmpl) {
if (!parse_expression_and(tmpl))
if (!parse_expression_and(tmpl)) {
return false;
if (m_tok.kind != Token::Kind::Id || m_tok.text != static_cast<decltype(m_tok.text)>("or"))
}
if (m_tok.kind != Token::Kind::Id || m_tok.text != static_cast<decltype(m_tok.text)>("or")) {
return true;
}
get_next_token();
if (!parse_expression_and(tmpl))
if (!parse_expression_and(tmpl)) {
return false;
}
append_function(tmpl, Bytecode::Op::Or, 2);
return true;
}
bool parse_expression_and(Template &tmpl) {
if (!parse_expression_not(tmpl))
if (!parse_expression_not(tmpl)) {
return false;
if (m_tok.kind != Token::Kind::Id || m_tok.text != static_cast<decltype(m_tok.text)>("and"))
}
if (m_tok.kind != Token::Kind::Id || m_tok.text != static_cast<decltype(m_tok.text)>("and")) {
return true;
}
get_next_token();
if (!parse_expression_not(tmpl))
if (!parse_expression_not(tmpl)) {
return false;
}
append_function(tmpl, Bytecode::Op::And, 2);
return true;
}
@@ -2370,8 +2377,9 @@ public:
bool parse_expression_not(Template &tmpl) {
if (m_tok.kind == Token::Kind::Id && m_tok.text == static_cast<decltype(m_tok.text)>("not")) {
get_next_token();
if (!parse_expression_not(tmpl))
if (!parse_expression_not(tmpl)) {
return false;
}
append_function(tmpl, Bytecode::Op::Not, 1);
return true;
} else {
@@ -2380,8 +2388,9 @@ public:
}
bool parse_expression_comparison(Template &tmpl) {
if (!parse_expression_datum(tmpl))
if (!parse_expression_datum(tmpl)) {
return false;
}
Bytecode::Op op;
switch (m_tok.kind) {
case Token::Kind::Id:
@@ -2412,8 +2421,9 @@ public:
return true;
}
get_next_token();
if (!parse_expression_datum(tmpl))
if (!parse_expression_datum(tmpl)) {
return false;
}
append_function(tmpl, op, 2);
return true;
}
@@ -2427,8 +2437,9 @@ public:
switch (m_tok.kind) {
case Token::Kind::LeftParen: {
get_next_token();
if (!parse_expression(tmpl))
if (!parse_expression(tmpl)) {
return false;
}
if (m_tok.kind != Token::Kind::RightParen) {
throw_parser_error("unmatched '('");
}
@@ -2467,8 +2478,9 @@ public:
if (op != Bytecode::Op::Nop) {
// swap arguments for default(); see comment in RenderTo()
if (op == Bytecode::Op::Default)
if (op == Bytecode::Op::Default) {
std::swap(tmpl.bytecodes.back(), *(tmpl.bytecodes.rbegin() + 1));
}
append_function(tmpl, op, num_args);
return true;
} else {
@@ -2522,17 +2534,19 @@ public:
if (bracket_level == 0) {
throw_parser_error("unexpected ']'");
}
--bracket_level;
if (brace_level == 0 && bracket_level == 0)
bracket_level -= 1;
if (brace_level == 0 && bracket_level == 0) {
goto returnJson;
}
break;
case Token::Kind::RightBrace:
if (brace_level == 0) {
throw_parser_error("unexpected '}'");
}
--brace_level;
if (brace_level == 0 && bracket_level == 0)
brace_level -= 1;
if (brace_level == 0 && bracket_level == 0) {
goto returnJson;
}
break;
default:
if (brace_level != 0) {
@@ -2556,15 +2570,17 @@ public:
}
bool parse_statement(Template &tmpl, nonstd::string_view path) {
if (m_tok.kind != Token::Kind::Id)
if (m_tok.kind != Token::Kind::Id) {
return false;
}
if (m_tok.text == static_cast<decltype(m_tok.text)>("if")) {
get_next_token();
// evaluate expression
if (!parse_expression(tmpl))
if (!parse_expression(tmpl)) {
return false;
}
// start a new if block on if stack
m_if_stack.emplace_back(static_cast<decltype(m_if_stack)::value_type::jump_t>(tmpl.bytecodes.size()));
@@ -2591,8 +2607,9 @@ public:
// pop if stack
m_if_stack.pop_back();
} else if (m_tok.text == static_cast<decltype(m_tok.text)>("else")) {
if (m_if_stack.empty())
if (m_if_stack.empty()) {
throw_parser_error("else without matching if");
}
auto &if_data = m_if_stack.back();
get_next_token();
@@ -2610,8 +2627,9 @@ public:
get_next_token();
// evaluate expression
if (!parse_expression(tmpl))
if (!parse_expression(tmpl)) {
return false;
}
// update "previous jump"
if_data.prev_cond_jump = tmpl.bytecodes.size();
@@ -2623,27 +2641,31 @@ public:
get_next_token();
// options: for a in arr; for a, b in obj
if (m_tok.kind != Token::Kind::Id)
if (m_tok.kind != Token::Kind::Id) {
throw_parser_error("expected id, got '" + m_tok.describe() + "'");
}
Token value_token = m_tok;
get_next_token();
Token key_token;
if (m_tok.kind == Token::Kind::Comma) {
get_next_token();
if (m_tok.kind != Token::Kind::Id)
if (m_tok.kind != Token::Kind::Id) {
throw_parser_error("expected id, got '" + m_tok.describe() + "'");
}
key_token = std::move(value_token);
value_token = m_tok;
get_next_token();
}
if (m_tok.kind != Token::Kind::Id || m_tok.text != static_cast<decltype(m_tok.text)>("in"))
if (m_tok.kind != Token::Kind::Id || m_tok.text != static_cast<decltype(m_tok.text)>("in")) {
throw_parser_error("expected 'in', got '" + m_tok.describe() + "'");
}
get_next_token();
if (!parse_expression(tmpl))
if (!parse_expression(tmpl)) {
return false;
}
m_loop_stack.push_back(tmpl.bytecodes.size());
@@ -2734,10 +2756,12 @@ public:
get_next_token();
switch (m_tok.kind) {
case Token::Kind::Eof:
if (!m_if_stack.empty())
if (!m_if_stack.empty()) {
throw_parser_error("unmatched if");
if (!m_loop_stack.empty())
}
if (!m_loop_stack.empty()) {
throw_parser_error("unmatched for");
}
return;
case Token::Kind::Text:
tmpl.bytecodes.emplace_back(Bytecode::Op::PrintText, m_tok.text, 0u);
@@ -2939,6 +2963,7 @@ class Renderer {
ptr = ptr_buffer;
break;
}
json::json_pointer json_ptr(ptr.data());
try {
// first try to evaluate as a loop variable
@@ -2954,6 +2979,7 @@ class Renderer {
m_tmp_val = callback(arguments);
return &m_tmp_val;
}
throw RenderError("variable '" + static_cast<std::string>(bc.str) + "' not found");
return nullptr;
}