mirror of
https://github.com/jbeder/yaml-cpp.git
synced 2025-09-08 12:21:17 +00:00
Merge clang-format from core
This commit is contained in:
Jesse Beder
248
util/api.cpp
248
util/api.cpp
@@ -3,127 +3,135 @@
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#include "yaml-cpp/yaml.h"
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#include <iostream>
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int main()
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{
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{
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// test.yaml
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// - foo
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// - primes: [2, 3, 5, 7, 11]
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// odds: [1, 3, 5, 7, 9, 11]
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// - [x, y]
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// move-like semantics
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YAML::Value root = YAML::Parse("test.yaml");
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std::cout << root[0].as<std::string>(); // "foo"
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std::cout << str(root[0]); // "foo", shorthand?
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std::cout << root[1]["primes"][3].as<int>(); // "7"
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std::cout << root[1]["odds"][6].as<int>(); // throws?
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root[2].push_back(5);
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root[3] = "Hello, World";
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root[0].reset();
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root[0]["key"] = "value";
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std::cout << root;
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// # not sure about formatting
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// - {key: value}
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// - primes: [2, 3, 5, 7, 11]
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// odds: [1, 3, 5, 7, 9, 11]
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// - [x, y, 5]
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// - Hello, World
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}
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int main() {
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{
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// test.yaml
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// - foo
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// - primes: [2, 3, 5, 7, 11]
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// odds: [1, 3, 5, 7, 9, 11]
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// - [x, y]
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{
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// for all copy-like commands, think of python's "name/value" semantics
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YAML::Value root = "Hello"; // Hello
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root = YAML::Sequence(); // []
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root[0] = 0; // [0]
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root[2] = "two"; // [0, ~, two] # forces root[1] to be initialized to null
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// move-like semantics
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YAML::Value root = YAML::Parse("test.yaml");
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YAML::Value other = root; // both point to the same thing
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other[0] = 5; // now root[0] is 0 also
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other.push_back(root); // &1 [5, ~, two, *1]
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other[3][0] = 0; // &1 [0, ~, two, *1] # since it's a true alias
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other.push_back(Copy(root)); // &1 [0, ~, two, *1, &2 [0, ~, two, *2]]
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other[4][0] = 5; // &1 [0, ~, two, *1, &2 [5, ~, two, *2]] # they're really different
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}
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{
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YAML::Value node; // ~
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node[0] = 1; // [1] # auto-construct a sequence
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node["key"] = 5; // {0: 1, key: 5} # auto-turn it into a map
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node.push_back(10); // error, can't turn a map into a sequence
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node.erase("key"); // {0: 1} # still a map, even if we remove the key that caused the problem
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node = "Hello"; // Hello # assignment overwrites everything, so it's now just a plain scalar
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}
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{
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YAML::Value map; // ~
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map[3] = 1; // {3: 1} # auto-constructs a map, *not* a sequence
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YAML::Value seq; // ~
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seq = YAML::Sequence(); // []
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seq[3] = 1; // [~, ~, ~, 1]
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}
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{
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YAML::Value node; // ~
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node[0] = node; // &1 [*1] # fun stuff
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}
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{
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YAML::Value node;
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YAML::Value subnode = node["key"]; // 'subnode' is not instantiated ('node' is still null)
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subnode = "value"; // {key: value} # now it is
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YAML::Value subnode2 = node["key2"];
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node["key3"] = subnode2; // subnode2 is still not instantiated, but node["key3"] is "pseudo" aliased to it
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subnode2 = "monkey"; // {key: value, key2: &1 monkey, key3: *1} # bam! it instantiates both
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}
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{
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YAML::Value seq = YAML::Sequence();
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seq[0] = "zero"; // [zero]
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seq[1] = seq[0]; // [&1 zero, *1]
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seq[0] = seq[1]; // [&1 zero, *1] # no-op (they both alias the same thing, so setting them equal is nothing)
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Is(seq[0], seq[1]); // true
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seq[1] = "one"; // [&1 one, *1]
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UnAlias(seq[1]); // [one, one]
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Is(seq[0], seq[1]); // false
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}
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{
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YAML::Value root;
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root.push_back("zero");
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root.push_back("one");
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root.push_back("two");
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YAML::Value two = root[2];
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root = "scalar"; // 'two' is still "two", even though 'root' is "scalar" (the sequence effectively no longer exists)
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// Note: in all likelihood, the memory for nodes "zero" and "one" is still allocated. How can it go away? Weak pointers?
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}
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{
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YAML::Value root; // ~
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root[0] = root; // &1 [*1]
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root[0] = 5; // [5]
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}
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{
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YAML::Value root;
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YAML::Value key;
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key["key"] = "value";
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root[key] = key; // &1 {key: value}: *1
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}
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{
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YAML::Value root;
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root[0] = "hi";
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root[1][0] = "bye";
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root[1][1] = root; // &1 [hi, [bye, *1]] # root
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YAML::Value sub = root[1]; // &1 [bye, [hi, *1]] # sub
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root = "gone"; // [bye, gone] # sub
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}
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std::cout << root[0].as<std::string>(); // "foo"
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std::cout << str(root[0]); // "foo", shorthand?
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std::cout << root[1]["primes"][3].as<int>(); // "7"
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std::cout << root[1]["odds"][6].as<int>(); // throws?
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return 0;
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root[2].push_back(5);
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root[3] = "Hello, World";
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root[0].reset();
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root[0]["key"] = "value";
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std::cout << root;
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// # not sure about formatting
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// - {key: value}
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// - primes: [2, 3, 5, 7, 11]
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// odds: [1, 3, 5, 7, 9, 11]
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// - [x, y, 5]
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// - Hello, World
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}
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{
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// for all copy-like commands, think of python's "name/value" semantics
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YAML::Value root = "Hello"; // Hello
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root = YAML::Sequence(); // []
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root[0] = 0; // [0]
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root[2] = "two"; // [0, ~, two] # forces root[1] to be initialized to null
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YAML::Value other = root; // both point to the same thing
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other[0] = 5; // now root[0] is 0 also
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other.push_back(root); // &1 [5, ~, two, *1]
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other[3][0] = 0; // &1 [0, ~, two, *1] # since it's a true alias
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other.push_back(Copy(root)); // &1 [0, ~, two, *1, &2 [0, ~, two, *2]]
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other[4][0] = 5; // &1 [0, ~, two, *1, &2 [5, ~, two, *2]] # they're
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// really different
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}
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{
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YAML::Value node; // ~
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node[0] = 1; // [1] # auto-construct a sequence
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node["key"] = 5; // {0: 1, key: 5} # auto-turn it into a map
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node.push_back(10); // error, can't turn a map into a sequence
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node.erase("key"); // {0: 1} # still a map, even if we remove the key that
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// caused the problem
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node = "Hello"; // Hello # assignment overwrites everything, so it's now
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// just a plain scalar
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}
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{
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YAML::Value map; // ~
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map[3] = 1; // {3: 1} # auto-constructs a map, *not* a sequence
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YAML::Value seq; // ~
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seq = YAML::Sequence(); // []
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seq[3] = 1; // [~, ~, ~, 1]
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}
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{
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YAML::Value node; // ~
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node[0] = node; // &1 [*1] # fun stuff
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}
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{
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YAML::Value node;
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YAML::Value subnode =
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node["key"]; // 'subnode' is not instantiated ('node' is still null)
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subnode = "value"; // {key: value} # now it is
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YAML::Value subnode2 = node["key2"];
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node["key3"] = subnode2; // subnode2 is still not instantiated, but
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// node["key3"] is "pseudo" aliased to it
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subnode2 = "monkey"; // {key: value, key2: &1 monkey, key3: *1} # bam! it
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// instantiates both
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}
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{
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YAML::Value seq = YAML::Sequence();
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seq[0] = "zero"; // [zero]
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seq[1] = seq[0]; // [&1 zero, *1]
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seq[0] = seq[1]; // [&1 zero, *1] # no-op (they both alias the same thing,
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// so setting them equal is nothing)
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Is(seq[0], seq[1]); // true
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seq[1] = "one"; // [&1 one, *1]
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UnAlias(seq[1]); // [one, one]
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Is(seq[0], seq[1]); // false
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}
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{
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YAML::Value root;
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root.push_back("zero");
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root.push_back("one");
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root.push_back("two");
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YAML::Value two = root[2];
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root = "scalar"; // 'two' is still "two", even though 'root' is "scalar"
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// (the sequence effectively no longer exists)
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// Note: in all likelihood, the memory for nodes "zero" and "one" is still
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// allocated. How can it go away? Weak pointers?
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}
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{
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YAML::Value root; // ~
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root[0] = root; // &1 [*1]
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root[0] = 5; // [5]
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}
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{
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YAML::Value root;
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YAML::Value key;
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key["key"] = "value";
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root[key] = key; // &1 {key: value}: *1
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}
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{
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YAML::Value root;
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root[0] = "hi";
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root[1][0] = "bye";
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root[1][1] = root; // &1 [hi, [bye, *1]] # root
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YAML::Value sub = root[1]; // &1 [bye, [hi, *1]] # sub
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root = "gone"; // [bye, gone] # sub
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}
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return 0;
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}
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@@ -2,29 +2,28 @@
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#include "yaml-cpp/eventhandler.h"
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#include <iostream>
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class NullEventHandler: public YAML::EventHandler
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{
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public:
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typedef YAML::Mark Mark;
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typedef YAML::anchor_t anchor_t;
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NullEventHandler() {}
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virtual void OnDocumentStart(const Mark&) {}
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virtual void OnDocumentEnd() {}
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virtual void OnNull(const Mark&, anchor_t) {}
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virtual void OnAlias(const Mark&, anchor_t) {}
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virtual void OnScalar(const Mark&, const std::string&, anchor_t, const std::string&) {}
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virtual void OnSequenceStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnSequenceEnd() {}
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virtual void OnMapStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnMapEnd() {}
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class NullEventHandler : public YAML::EventHandler {
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public:
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typedef YAML::Mark Mark;
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typedef YAML::anchor_t anchor_t;
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NullEventHandler() {}
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virtual void OnDocumentStart(const Mark&) {}
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virtual void OnDocumentEnd() {}
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virtual void OnNull(const Mark&, anchor_t) {}
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virtual void OnAlias(const Mark&, anchor_t) {}
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virtual void OnScalar(const Mark&, const std::string&, anchor_t,
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const std::string&) {}
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virtual void OnSequenceStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnSequenceEnd() {}
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virtual void OnMapStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnMapEnd() {}
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};
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int main()
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{
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YAML::Parser parser(std::cin);
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NullEventHandler handler;
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parser.HandleNextDocument(handler);
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return 0;
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int main() {
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YAML::Parser parser(std::cin);
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NullEventHandler handler;
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parser.HandleNextDocument(handler);
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return 0;
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}
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@@ -2,31 +2,30 @@
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#include "yaml-cpp/eventhandler.h"
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#include <iostream>
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class NullEventHandler: public YAML::EventHandler
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{
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public:
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typedef YAML::Mark Mark;
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typedef YAML::anchor_t anchor_t;
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NullEventHandler() {}
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virtual void OnDocumentStart(const Mark&) {}
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virtual void OnDocumentEnd() {}
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virtual void OnNull(const Mark&, anchor_t) {}
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virtual void OnAlias(const Mark&, anchor_t) {}
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virtual void OnScalar(const Mark&, const std::string&, anchor_t, const std::string&) {}
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virtual void OnSequenceStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnSequenceEnd() {}
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virtual void OnMapStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnMapEnd() {}
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class NullEventHandler : public YAML::EventHandler {
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public:
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typedef YAML::Mark Mark;
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typedef YAML::anchor_t anchor_t;
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NullEventHandler() {}
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virtual void OnDocumentStart(const Mark&) {}
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virtual void OnDocumentEnd() {}
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virtual void OnNull(const Mark&, anchor_t) {}
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virtual void OnAlias(const Mark&, anchor_t) {}
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virtual void OnScalar(const Mark&, const std::string&, anchor_t,
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const std::string&) {}
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virtual void OnSequenceStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnSequenceEnd() {}
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virtual void OnMapStart(const Mark&, const std::string&, anchor_t) {}
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virtual void OnMapEnd() {}
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};
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int main()
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{
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std::stringstream stream("---{header: {id: 1");
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YAML::Parser parser(stream);
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// parser.PrintTokens(std::cout);
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NullEventHandler handler;
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parser.HandleNextDocument(handler);
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return 0;
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int main() {
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std::stringstream stream("---{header: {id: 1");
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YAML::Parser parser(stream);
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// parser.PrintTokens(std::cout);
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NullEventHandler handler;
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parser.HandleNextDocument(handler);
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return 0;
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}
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