Conditionally controlled styling

A computing device, having a memory to store a series of instructions to execute a document rendering application, the computing device configured to:

• process a document tree having multiple nodes describing a document to be created having document components arranged hierarchically in a parent-child relationship;
• identify a styling permission in a style sheet for a target node describing whether the target node representing a child component of the document tree permits application of a style property to the target node, wherein the styling permission includes a default property permission for the target node and an exception to the default property permission for one or more style properties of the target node;
• identify a value permission describing whether the document tree permits application of a value for the style property of the document tree;
• determine that the style property has a continuous value range;
• identify a continuous value range for a value of the property permission for the style property;
• execute an inheritance determination for a target node representing a child component of the document tree based on whether the style property is included in the exception to the default property permission and the value permission to determine whether the target node inherits the value of the style property from a source node representing a parent component, wherein the inheritance determination includes determining whether the style property from the source node is within the continuous value range;
• render the target node based on the inheritance determination to create a document component of the document;
• and
• display the document to a user.

A machine-implemented method, comprising:

• processing a document tree having multiple nodes describing a document to be created having document components arranged hierarchically in a parent-child relationship;
• identifying a styling permission in a style sheet for a target node describing whether the target node representing a child component of the document tree permits application of a style property to the target node, wherein the styling permission includes a default property permission for the target node and an exception to the default property permission for one or more style properties of the target node;
• determining that the style property has a continuous value range;
• identifying a continuous value range for a value of the property permission for the style property;
• executing an inheritance determination for the target node to determine whether the target node inherits the style property from a source node representing a parent component based on whether the style property is included in the exception to the default property permission, wherein the inheritance determination includes determining whether the style property from the source node is within the continuous value range;
• rendering the target node based on the inheritance determination to create a document component of the document;
• and
• displaying the document to a user.