// <TYPE> <LANG> : <SOURCE>
private void readShaderStatement(String statement) throws IOException {
String[] split = statement.split(":");
if (split.length != 2) {
throw new IOException("Shader statement syntax incorrect" + statement);
}
String[] typeAndLang = split[0].split(whitespacePattern);
for (Shader.ShaderType shaderType : Shader.ShaderType.values()) {
if (typeAndLang[0].equals(shaderType.toString() + "Shader")) {
readShaderDefinition(
shaderType, split[1].trim(), Arrays.copyOfRange(typeAndLang, 1, typeAndLang.length));
}
}
}
/**
* effectiveliy reads the ShaderNodesDefinitions block
*
* @param statements the list of statements to parse
* @param key the ShaderNodeDefinitionKey
* @throws IOException
*/
protected void readShaderNodeDefinition(List<Statement> statements, ShaderNodeDefinitionKey key)
throws IOException {
boolean isLoadDoc =
key instanceof ShaderNodeDefinitionKey
&& ((ShaderNodeDefinitionKey) key).isLoadDocumentation();
for (Statement statement : statements) {
String[] split = statement.getLine().split("[ \\{]");
String line = statement.getLine();
if (line.startsWith("Type")) {
String type = line.substring(line.lastIndexOf(':') + 1).trim();
shaderNodeDefinition.setType(Shader.ShaderType.valueOf(type));
} else if (line.startsWith("Shader ")) {
readShaderStatement(statement);
shaderNodeDefinition.getShadersLanguage().add(shaderLanguage);
shaderNodeDefinition.getShadersPath().add(shaderName);
} else if (line.startsWith("Documentation")) {
if (isLoadDoc) {
String doc = "";
for (Statement statement1 : statement.getContents()) {
doc += "\n" + statement1.getLine();
}
shaderNodeDefinition.setDocumentation(doc);
}
} else if (line.startsWith("Input")) {
varNames = "";
for (Statement statement1 : statement.getContents()) {
shaderNodeDefinition.getInputs().add(readVariable(statement1));
}
} else if (line.startsWith("Output")) {
varNames = "";
for (Statement statement1 : statement.getContents()) {
if (statement1.getLine().trim().equals("None")) {
shaderNodeDefinition.setNoOutput(true);
} else {
shaderNodeDefinition.getOutputs().add(readVariable(statement1));
}
}
} else {
throw new MatParseException(
"one of Type, Shader, Documentation, Input, Output", split[0], statement);
}
}
}